DEAS 1068 :2021 
ICS 91.060.50 . 
 
© EA C 2021                                                                                                                              First Edition 2021  
 DRAFT EAST AFRICAN STANDARD  
Wooden door shutters — Test methods   
EAST AFRICAN COMMUNITY  DEAS 1068 :2021 
ii © EAC 2021  – All rights reserved  
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Reproduction for sales purposes may be subject to royalty payments or a licensing agreement.  
Violators may be prosecuted . DEAS 1068 :2021 
© EAC 2021  – All rights reserved  iii 
 Contents  Page 
Foreword  ................................ ................................ ................................ ................................ .............................  v 
1 Scope  ................................ ................................ ................................ ................................ ......................  1 
2 Normative references  ................................ ................................ ................................ ............................  1 
3 Terms and definitions  ................................ ................................ ................................ ...........................  1 
4 Tests  ................................ ................................ ................................ ................................ .......................  1 
4.1 General  ................................ ................................ ................................ ................................ ...................  1 
4.2 Precautions  ................................ ................................ ................................ ................................ ............  2 
5 Measurement of dimensions and squareness  ................................ ................................ ...................  2 
5.1 General  ................................ ................................ ................................ ................................ ...................  2 
5.2 Procedure  ................................ ................................ ................................ ................................ ...............  2 
5.2.1  Measurement of height  ................................ ................................ ................................ .........................  2 
5.2.2  Measurement of width ................................ ................................ ................................ ...........................  2 
5.2.3  Measurement of thickness  ................................ ................................ ................................ ...................  2 
5.2.4  Measurement of squareness  ................................ ................................ ................................ ................  2 
6 Measurement of general fla tness  ................................ ................................ ................................ ........  3 
6.1 General  ................................ ................................ ................................ ................................ ...................  3 
6.2 Procedure  ................................ ................................ ................................ ................................ ...............  3 
6.2.1  Measurement of twist  ................................ ................................ ................................ ............................  3 
6.2.2  Measurement of warping and cupping  ................................ ................................ ................................  3 
7 Local planeness test  ................................ ................................ ................................ .............................  4 
7.1 General  ................................ ................................ ................................ ................................ ...................  4 
7.2 Procedure  ................................ ................................ ................................ ................................ ...............  4 
8 Impact indentation test  ................................ ................................ ................................ .........................  5 
8.1 General  ................................ ................................ ................................ ................................ ...................  5 
8.2 Steel ball impact tests  ................................ ................................ ................................ ...........................  5 
9 Flexure test  ................................ ................................ ................................ ................................ ............  5 
9.1 General  ................................ ................................ ................................ ................................ ...................  5 
9.2 Procedure  ................................ ................................ ................................ ................................ ...............  5 
10 Edge loading test  ................................ ................................ ................................ ................................ ... 5 
10.1  General  ................................ ................................ ................................ ................................ ...................  5 
10.2  Procedure  ................................ ................................ ................................ ................................ ...............  5 
11 Shock resistance test ................................ ................................ ................................ ............................  6 
11.1  General  ................................ ................................ ................................ ................................ ...................  6 
11.2  Soft and light body impact test  ................................ ................................ ................................ ............  6 
11.3  Soft and heavy body impact test  ................................ ................................ ................................ .........  6 
12 Buckling resistance test  ................................ ................................ ................................ .......................  7 
12.1  General  ................................ ................................ ................................ ................................ ...................  7 
12.2  Procedure  ................................ ................................ ................................ ................................ ...............  7 
13 Slamming test  ................................ ................................ ................................ ................................ ........  8 
13.1  General  ................................ ................................ ................................ ................................ ...................  8 
13.2  Test I  ................................ ................................ ................................ ................................ .......................  8 
13.2  Test II  ................................ ................................ ................................ ................................ ......................  8 
14 Misuse test  ................................ ................................ ................................ ................................ .............  9 
14.1  General  ................................ ................................ ................................ ................................ ...................  9 
14.2  Procedure  ................................ ................................ ................................ ................................ ...............  9 DEAS 1068 :2021 
iv © EAC 2021  – All rights reserved  
 15 Varying humidity test  ................................ ................................ ................................ ............................ 9 
15.1  General  ................................ ................................ ................................ ................................ .................... 9 
15.2  Procedure  ................................ ................................ ................................ ................................ ............... 9 
16 End immersion  test................................ ................................ ................................ ................................ 9 
16.1  General  ................................ ................................ ................................ ................................ .................... 9 
16.2  Procedure  ................................ ................................ ................................ ................................ ............  10 
17 Knife test  ................................ ................................ ................................ ................................ ..............  10 
17.1  General  ................................ ................................ ................................ ................................ .................  10 
17.2  Procedure  ................................ ................................ ................................ ................................ ............  10 
17.3  Teat for glue adhesive between core and adj oining veneers  ................................ ........................  10 
17.3.1  General  ................................ ................................ ................................ ................................ .................  10 
17.3.2  Procedure  ................................ ................................ ................................ ................................ ............  10 
18 Glue adhesi on test  ................................ ................................ ................................ ..............................  11 
18.1  General  ................................ ................................ ................................ ................................ .................  11 
18.2  Procedure  ................................ ................................ ................................ ................................ ............  11 
19 Screw withdrawal resis tance test  ................................ ................................ ................................ ..... 11 
19.1  General  ................................ ................................ ................................ ................................ .................  11 
19.2  Procedure  ................................ ................................ ................................ ................................ ............  11 
Bibliography  ................................ ................................ ................................ ................................ .....................  12 
 DEAS 1068 :2021 
© EAC 2021  – All rights reserved  v 
 Foreword  
Development of the East African Standards has been necessitated by the need for harmonizing requirements 
governing quality of products and services in the East African Community. It is envisaged that through 
harmonized st andardization, trade barriers that are encountered when goods and services are exchanged 
within the Community will be removed.  
The Community has established an East African Standards Committee  (EASC)  mandated to develop and 
issue East African Standards  (EAS). The Committee is composed of representatives of the National 
Standards Bodies in Partner States, together with the representatives from the public and private sector 
organizations  in the community .  
East African Standards are developed through  Technic al Committees that are representative of key 
stakeholders including government, academia, consumer groups, private sector and other interested parties. 
Draft East African Standards are circulated to stakeholders through the National Standards Bodies in the  
Partner States. The comments received are discussed and incorporated before finalization of standards, in 
accordance with the Principles and procedures for development of East African Standards. XXXXXX.  
East African Standards are subject to review, to kee p pace with technological advances. Users of the East 
African Standards are therefore expected to ensure that they always have the latest versions of the standards 
they are implementing .  
The committee responsible  for this document is Technical Committee EASC/TC: 022 ,  
Attention is drawn to the possibility that some of the elements of this document may be subject of patent 
rights. EAC shall not be held responsible for identifying any or all such patent rights.  
 WORKING DRAFT EAST AFRICAN STANDARD  DEAS1068 :2021 
 
© EAC 2021 – All rights reserved  1 
 Wooden door shutters — Test methods   
1 Scope   
This Draft East African S tandard specifies  test methods which shall be followed to subject the door shutters to 
evaluate their quality . 
2 Normative references   
There are no normative references in this document.  
3 Terms and definitions   
For the purposes o f this document, the following terms and definitions  apply.  
ISO and IEC maintain terminological databases for use in standardization at the following addresses:  
— ISO Online browsing platform: available at http://www.i so.org/obp   
4 Tests  
4.1 General  
4.1.1  The door shutters shall be subjected to the following tests, in the order listed below:  
a) dimensions and squareness test  
b) general flatness test;  
c) local planeness test;  
d) impact indentation test;  
e) flexure test;  
f) edge loading t est; 
g) shock resistance test;  
h) buckling resistance test;  
i) slamming test;  
j) misuse test;  
k) varying humidity test;   
2 © EAC 2021  – All rights reserved  
 l) end immersion test;  
m) knife test;  
n) glue adhesion test; and  
o) screw withdrawal resistance test.  
4.1.2  It may be noted that while all tests on all types of do ors may not be necessary, only the required 
testson different doors may be performed for performance evaluation, which are given in the individual 
specification on door shutters. The door shutters for the tests shall not be painted or varnished.  
4.2 Precau tions  
4.2.1  The test specimens shall not have been exposed to a temperature below 4°C for 24 h immediately 
preceding the test and shall be free from all visible moisture. The specimen shall be inspected and any 
specimen with visible flaws shall be discarde d. 
4.2.2  If any test specimen fails because of mechanical reason, such as failure of testing equipment or 
Improper specimen preparation, it shall be discarded and another specimen taken.  
5 Measurement of dimensions and squareness  
5.1 General  
This clause sp ecifies a method for measuring the dimensions and the squareness of door shutters.  
5.2 Procedure  
5.2.1  Measurement of height  
Measure the height along the lines A -A and B -B (see Figure 1) each of which is parallel to and 20 mm or less 
from a longitudinal ed ge. The height shall be measured with an accuracy of 1 mm. The measuring points shall 
be 20 mm ± 5 mm from the edges. It shall be measured to an accuracy of 0.1 mm.  
5.2.2  Measurement of width  
Measure the width along the lines C -C and D -D (see Figure 1) eac h of which is parallel to and 20 mm or less 
from a transverse edge. The width shall be measured with an accuracy of 1 mm.  
NOTE  In the case of a door shutter with rebated edges, the dimension of height or width should be measured to the 
inner edges of the r ebate.  
5.2.3  Measurement of thickness  
Measure the thickness at six points which are located approximately 20 mm from the edges, at the middle of 
the width of the door shutter and at each one -third of the height (see Figure 1). The thickness shall be 
measur ed with an accuracy of 0.1 mm.  
5.2.4  Measurement of squareness  
Determine the deviation from squareness of adjacent edges of the door shutter at all the four corners of the 
door leaf with a square with arms 500 mm long (see Figure 2). The deviation from squ areness shall be 
measured to an accuracy of 0.1 mm.   
© EAC 2021  – All rights reserved  3 
 
 
Figure 1 — Measurement of Dimensions  
 
Figure 2 — Determination of squareness  
6 Measurement of general flatness  
6.1 General  
This clause specifies a method for measuring the general flatness of door shu tters.  
6.2 Procedure  
6.2.1  Measurement of twist  
The door shutter is held freely in a vertical plane or mounted vertically so that there is no external restraint. 
Any three comers of this face determine a plane of reference. The deviation of the fourth corn er is measured 
with respect to this plane with a plumb bob or any other suitable device (see Figure 3). The measuring points 
shall not be more than 20 mm from the edges. It shall be measured to an accuracy of 0.1 mm.  
6.2.2  Measurement of warping and cuppin g 
The door shutter is held as given in 3.2. Measurement(s) of warping and cupping on one of the faces of the 
door shutters is measured with respect to straight lines parallel to each edge and located 20 mm or less from 
the edge. The distance of the face fr om these straight lines is measured (see Figure 4). The deviation shall be 
measured to an accuracy of 0.1 mm.   
4 © EAC 2021  – All rights reserved  
 
 
The reference plane is defined by the three points P 1, P2, and P 3, P4, is also situated on this plane. The 
measurement of the distance P 4-P4, (g) gives the value of twist.  
Figure 3 — Measurement of twist  
 
Figure 4 — Measurement of warping and cupping  
7 Local planeness test  
7.1 General  
This clause specifies a test method to ascertain the general smoothness of the surface of the door shutters.  
7.2 Procedure  
The door shutter shall be positioned or held freely and in placed in a horizontal a convenient position. Squares 
of 200 mm x 200 mm shall be drawn, spread over the entire area of the shutter for measurement purposes. A 
suitable measuring device suitably fixed at the centre of a straight edge of 200 mm length shall be placed on 
the different squares on the face of the door shutter. The depth at each point shall be measured to an 
accuracy of 0.05 mm. The procedure shall be repeated for the other fa ce.  
© EAC 2021  – All rights reserved  5 
 8 Impact indentation test  
8.1 General  
This clause specifies a test to determine the impact indentation on door shutters.  
8.2 Steel ball impact tests  
The door shutter shall be placed horizontally resting on a suitable frame equally on all the four edges . A steel 
ball of about 50 mm diameter and weighing 500 g ±10 g, shall be allowed to fall freely from a height of 750 
mm ±  5 mm at any randomly selected 10 different points on both the surfaces of the door shutter leaving 
distance of 75 mm from the edges. The depth of indentation shall be measured to an accuracy of 0.1 mm.  
9 Flexure test  
9.1 General  
This clause specifies a test method for flexure resistance of door shutters.  
9.2 Procedure  
The door shutter shall be held firmly along one long edge and the adj acent short edge and it shall be ensured  
that the three fixed corners are in one horizontal plane. Loading shall be done on the top corner of the door  
shutter 50 mm from the free edge, resulting deformation in the vertical plane of the door shutter. The lo ading  
shall be done in steps of 100 N (10 kgf) up to a maximum of 500 N (50 kgf) and unloaded after 15 min in the  
same steps. The deflection shall be measured initially and after 15 min with the load and finally after 3 min of  
the removal of the load. All deflections of the free corner shall be measured to an accuracy of 0.1 mm with  
reference to the diagonally opposite fixed corner.  
10 Edge loading test  
10.1 General  
This clause specifies a test method to determine the deflections on door shutters due to loa d applied at the  
edges.  
10.2 Procedure  
The door shutter shall be hung vertically, bearing or with 12 mm dia pivot supported at the top and bottom or 
hinged on one longitudinal edge. The test set up shall be sufficiently rigid to withstand the test load wit hout 
deflecting to an extent likely to impair jointing or to impose bending stresses on the test specimen. If 
installation conditions are known, the specimen shall wherever practical, be installed to simulate these.  
The door shall be opened at an angle of 45° or 90° and measurements taken at the lower corner of the door 
shutter, to the nearest 0.1 mm. The load shall be applied on the top of the other longitudinal edge parallel to 
the plane of the door shutter at a distance of 50 mm from the edge. The loadin g shall be done in steps of not 
more than 200 N (20 kgf) at a time until a load of 1 000 N (100 kgf) is reached and kept constant for a period 
of 15 min. The deflection at the loaded edge, at the end of 15 min and after 3 min after removal of the load, 
measured to an accuracy of 0.1 mm, shall be recorded.   
6 © EAC 2021  – All rights reserved  
 11 Shock resistance test   
11.1 General   
This clause specifies two tests to be carried out for determining the resistance of door shutters to shock.  
11.2 Soft and light body impact test   
The door shutter sh all be hinged in a vertical plane flush with a fixed frame. The rope with a leather ball of 
approximately 200 mm in diameter and containing 50 N (5 kgf) of sand hung vertically by a rope required for 
giving the shock. The rope with the leather ball shall b e tied on the central vertical line just above the door.  
The length of the rope shall be such that the ball may strike the door at a point 200 mm above the bottom end 
on the vertical central line of the door (see Figure 5). The ball shall be pulled away fr om the door to a height of 
1.25 m from the plane of striking place and shall be allowed to strike the door for twenty five times at the rate 
of 4 to 5 shocks/min. on which door of various sizes can be mounted in a manner similar to their installation in 
practice. The frame shall be sufficiently rigid so that any deformation that occurs in the frame during testing 
will have negligible effect on the test results.  
 
Figure 5 — Test arrangement for resistance to soft and light body impact  
11.3 Soft and heavy bo dy impact test  
An arrangement for mounting the door shutter as shall be made. A spherical leather sail cloth bag of 
approximately 350 mm in diameter is filled with sand ‘of apparent density approximately 1,500 kg/m³ (sand 
which passes through a sieve of ap erture size 2 mm until it reaches a mass of 300 N (30 kgf). The bag shall 
be hung as a pendulum arrangement to strike the door shutter at the level of the handle in the position shown, 
and hung in such a way that when at rest the bag just touches the shutt er (see Figure 6). The spherical 
leather bag shall be pulled away from the door to a height of 230 mm from the plane of striking place and the 
normally hung shutter (with hangings, fixings and fastenings) shall be given five impacts at the handle level on 
both sides of the shutter.’  
 
 
  
© EAC 2021  – All rights reserved  7 
  
 
 
 
Figure 6 — Test arrangement for resistance to soft and light body impact  
12 Buckling resistance test  
12.1 General  
This clause specifies test method to determine the resistance of door shutters to buckling.  
12.2 Procedure  
The door shutter shall be placed in a rigid rig and fixed in a way similar to actual installation. The door shutter 
shall be opened to an angle of 90 ° and secured at its top free corner to prevent any lateral movement. A 
typical method of attachment of th e load and its location is shown in Figure 7 for guidance. A load of 400 N 
(40 kgf) is applied at 1 000 mm from the bottom of the door at right angles to the plane of the door shutter and 
in the direction of opening, in increments of 100 N each. Incrementa l load is applied only after stabilization of 
the deformation created by the previous loading. The deformation at the lower free corner is measured to an 
accuracy of 1 mm, 5 min after the application of the load and 15 min after unloading.   
8 © EAC 2021  – All rights reserved  
 
 
Figure 7 — Mou nting of door shutter of buckling resistance test  
13 Slamming test  
13.1 General  
This clause specifies two tests to determine the effect on door shutters due to slamming actions. Any one of 
the tests shall be followed.  
13.2 Test I  
Suitable fixture shall be  made to hold the door shutter horizontally flat and hinged on one long edge and  
resting freely on a wooden rail 50 mm from the other long edge. The door shutter shall be placed in a  
horizontal position suitably hinged at three equidistant places or at the  discretion of the manufacturer on one  
of the long edges. The other edge is lifted up so as to form an angle of not l ess than 30 ° at the hinged edge 
and allowed to drop under its own weight, 50 times on the rail at the rate of four to five drops per minute . 
13.2 Test II  
The door shutter shall be hung with three hinges vertically on one long edge or as per manufacturer’s  
instructions in a suitable frame. Suitable arrangement to apply a force of 150 N (15 kgf) to the shutter at not  
more than 150 mm from the l ocking edge of the shutter shall be made. The force shall act perpendicularly to  
the plane of the frame throughout the closing movement (see Figure 8).The door shutter shall be opened at an  
angle of 60 ° ± 5° and shall be made to close for hundred times by the continuou s application of a force of 150 
N which ceases to act at the moment of impact.  
 
Figure 8 — Typical arrangement of slamming test   
© EAC 2021  – All rights reserved  9 
 14 Misuse test  
14.1 General  
This clause specifies a test method to determine the resistance of door shutters to m isuse.  
14.2 Procedure  
Suitable frame to hold the door shutter vertically in a manner similar to its installation in practice shall be  
made. The door shutter shall be hinged on one long edge to the frame. A hard wood slip such as Laurel, Sal,  
Bijasal of 50 mm x 50 mm and of thickness, adequate to match the thickness of the door shutter shall be  
placed vertically at the bottom of the hinged stile of the frame in such a way as to keep the door ajar at 70 ° ± 
5°. The force is applied progressively to the handle or equivalent position and at r ight angles to the plane of 
the frame in the direction of closing until it reaches 200 N (20 kgf) (see Figure 9). 
 
Figure 9 — Typical arrangement of misuse test  
15 Varying humidity test   
15.1 General  
This clause specifies m ethod which is to be used to test the behavior, und er humidity variations, of door 
shutters placed in successive uniform climates.  
15.2 Procedure  
The door shutter shall be placed in a conditioning chamber at a temperature 27°C ± 2 °C, and humidity  
maintaine d at 30 % ± 5 % for one week. The height, width, thickness as per Cla use 3 of this standard, general 
flatness as per Clause 4 of this standard, local planeness as per Clause 5 of this standard and diagonal of the  
door shutter shall be measured. Then the hu midity shall be raised to 85 % ± 5 % and the door shutter shall  
remain there again for one week. The test may be stopped before the end of the period specified, if two 
successive measurements of general flatness taken at two -day interval, do not differ by more than 1 %.  
The changes in the above dimensions shall be noted. After this, the door shutter shall be kept inside the  
chamber for one week at a humidity level of 30 % ± 5 %. The dimensions shall be measured again after the  
end of the period and the exte nt of return to the original sizes shall be calcu lated. General planeness of the 
door shutter shall be measured as per Clause 5 of this standard.  
16 End immersion test   
16.1 General   
This clause specifies a test method for resistance of door shutters to im mersion in water.   
10 © EAC 2021  – All rights reserved  
 16.2 Procedure  
The door shutter shall be immersed to a minimum depth of 300 mm in water at ambient temperature for 24 h  
and then allowed to dry for 24 h at ambient temperature. This cycle shall be  repeated eight times. The door 
shutter sh all be examined for any delamination in the immersed portion of the shutter.  
17 Knife test  
17.1 General  
This clause specifies test method for testing the glue adhesion strength of door shutters with a knife.  
17.2 Procedure  
The type of knife required to be used in the test is given in Figure 1 0. It may be made from a file. The cutting  
edge should be kept chisel sharp. The test shall be carried out on a stout table to which is screwed a wooden  
batten against which the edge of the test specimen is placed as in dicated in Figure 1 0. The knife is inserted  
with its cutting edge parallel to the grain of the outer veneer and worked into, or  if possible, along a glue line 
and the veneer is prized upward. It is essential that the knife be firmly guided along the glue l ine. 
17.3 Teat for glue adhesive between core and adjoining veneers  
17.3.1  General  
To test the glue adhesion between the core and the adjoining veneers, the qualitative test may be used.  
17.3.2  Procedure  
The central core strips shall be forcibly separated from its adjacent veneer by a chisel inserted in the bond line  
and affecting the separation in the direction of the core strips. The capacity of the bond should be judged by  
the relative amount of wood fibres left by the veneer and the core strips. Forc e shall be needed to effect the 
separation. The grading should be assessed on the basis of the appearance of the failure.  
 
Figure 10 — Knife for testing plywood for adhesive of plies   
© EAC 2021  – All rights reserved  11 
 18 Glue adhesion test   
18.1 General   
This clause specifies a test method to  assess the glue adhesion of door shutters.  
18.2 Procedure   
Two square sections, 150 mm x 150 mm shall be cut from the corners of the door shutter. These corner  
sections, as cut from the door shutter, shall be submerged in a pan of water at ambient tempera ture, care  
being taken that the pieces do not touch the bottom of the pan. The water shall then be brought to the boiling  
temperature and maintained at this temperature for 4 h and then dried in a chamber at 27 °C ± 2 °C and  
relative humidity of 65 % ± 5 %  for 24 h. At the end of the drying period the samples shall be examined for  
delamination. Glue lines in all the four exposed edges of the plywood on b oth faces of a specimen and the 
glue lines between the plywood faces and the stile and rail shall be exam ined for delamination.  
19 Screw withdrawal resistance test  
19.1 General  
This clause specifies a test method to determine the screw withdrawal resistance of door shutters.  
19.2 Procedure  
This test shall be carried out on three test specimens of size 150 mm x 75 mm cut along the longitudinal edge  
of upper/lower half portion of the door shutter, using a suitable test equipment having an arrangement to pull  
the screws fixed on the specimen so as to measure the maximum load required for complete withdrawal. Prio r 
to testing, the test specimen shall be conditioned at 27 °C ± 2 °C and at relative humidity of 65 % ± 5 % for  
one week. Two prebores of 3 -mm diameter shall be made along the stile at an interval of 50 mm on the face  
and along the edges of the specimen. S crews of size No. 8 and 50 mm length shall be fixed at these points to  
a depth of 25 mm. The specimen shall then be placed on the test equipment and load applied at the specified  
rate of 2 mm per min for withdrawal of one screw at a time. The max imum load required for complete 
withdrawal shall be noted in each case.   
12 © EAC 2021  – All rights reserved  
 Bibliography  
[1] US 1875 :2019 , Wooden door shutters — Test methods  
 DEAS 1068 :2021   
 
© EAC 2021 – All rights reserved