Document:

<PAGE>
                                                                    EXHIBIT 10.5

                                  KEY EMPLOYEE
                              SALE BONUS AGREEMENT

      THIS SALE BONUS AGREEMENT (this "Agreement"), is made and entered into as
of December __, 2004, between DEI HOLDINGS, INC. (the "Company") and
_____________________ (the "Key Employee").

                                    Recitals

      A.    The parties are entering into this Agreement for the purpose of
providing the Key Employee an incentive to increase the value of the Company by
granting him the right to receive a percentage of the proceeds received by the
Company's shareholders as a result of certain liquidity events.

      B.    The parties' intent is that upon specified liquidity events, the
Company pay to the Key Employee a percentage of the proceeds distributable to
common holders (not warrant holders) as follows:

            (i)   the Key Employee shall not receive any percentage of the net
                  proceeds necessary to "repay" a "base equity amount" equal to
                  the sum of (x) $89,750,000 (i.e., the sum of the agreed upon
                  equity value of the Company following its June 2004
                  recapitalization plus the $6.0 million of equity contributed
                  to the Company in September 2004), plus (y) any additional
                  equity contributed after the date hereof, together with a 12%
                  annual "preferred return" on such additional equity; and

            (ii)  the Key Employee shall receive __% of all net proceeds
                  distributable to common holders in excess of such base equity
                  amount.

      C.    Attached as Annex A are certain examples showing the payment due the
Key Employee under various sale scenarios.

                                    Agreement

      NOW THEREFORE, intending to be legally bound, the parties hereby agree as
follows.

      1.    Definitions. Capitalized terms used herein and not otherwise defined
shall have the meanings ascribed to such terms in the Employment Agreement. In
addition, the following terms when used in this Agreement have the meanings set
forth below:

            (a)   "Base Equity Amount" shall mean an amount equal to the sum of
(i) $89,750,000, plus (ii) the Preferential New Equity Amount.

            (b)   "Net Equity Proceeds" shall mean an amount equal to the
remainder of (i) the Proceeds Available for Distribution to Shareholders, less
(ii) the Base Equity Amount.

            (c)   "Preferential New Equity Amount" shall mean the dollar amount
of equity contributions to the Company subsequent to the date hereof, which
amount shall increase at a rate of twelve percent (12%) per annum from the date
of each applicable equity issuance through the date of consummation of the Sale
Event.

            (d)   "Proceeds Available for Distribution to Shareholders" shall
mean the total gross proceeds and other consideration actually paid to or
received by the holders of the Company's equity securities (in their capacity as
such) other than holders of the Company's currently outstanding warrants in
connection with a Sale Event and after payment of all debt, all transaction
expenses (including all payments to James E. Minarik under the Company's
December 7, 2004 Sale Bonus Agreement with such executive except the "Third Gain
Share Payment" reflected therein), and all proceeds payment due to

<PAGE>

holders of the Company's currently outstanding warrants, including, without
limitation, (i) cash, and (ii) notes, securities and other property. Non-cash
consideration shall be valued as follows: (x) publicly traded securities shall
be valued at the average of their closing prices (as reported in the Wall Street
Journal) for the ten trading days prior to the closing of the Sale Event, and
(y) any other non-cash consideration shall be valued at the fair market value
thereof as determined in good faith by the Board and the Key Employee.

            (e)   "Sale Event" shall mean:

                  (i)   the sale of all, or substantially all, of DEI's
consolidated assets in any single transaction or series of related transactions;
or

                  (ii)  the sale, or series of related sales, of common stock of
the Company or DEI possessing the ordinary voting power (on a fully-diluted
basis) to elect a majority of the board of directors of the Company or the
Board, as the case may be, to an independent third party or a group of
affiliated independent third parties; or

                  (iii) any merger or consolidation of the Company or DEI with
or into another corporation or other business entity (regardless of which entity
is the surviving corporation) if, after giving effect to such merger or
consolidation, the holders of the Company's or DEI's, as the case may be, voting
securities (on a fully-diluted basis) immediately prior to the merger or
consolidation own voting securities of the surviving or resulting corporation or
other business entity representing less than a majority of the ordinary voting
power to elect directors of the surviving or resulting corporation (on a
fully-diluted basis).

            (f)   "Trivest Investors" shall mean Trivest Fund II, Ltd., Trivest
Equity Partners II, Ltd., Trivest Principals Fund II, Ltd., Trivest Fund III,
L.P., Trivest Equity Partners III, L.P., Trivest Fund Cayman III, L.P., Trivest
Principals Fund III, L.P., Trivest-DEI Co-Investment Fund, Ltd., and any of
their respective successors and assigns.

      2.    Sale Bonus. Upon the consummation of any Sale Event, the Company
shall pay (or cause to be paid) to the Key Employee an amount (the "Sale Bonus")
equal to __% of the Net Equity Proceeds.

      3.    Public Offering. In the event of an initial public offering of
equity securities by the Company or DEI registered under the Securities Act of
1933, as amended, the Company's Board of Directors (the "Board") shall in good
faith negotiate with the Key Employee to determine a fair compensation
arrangement to compensate Key Employee in accordance with the purpose and intent
of this Agreement.

      4.    Nature of the Right.

            (a)   The Key Employee shall have the right to receive a Sale Bonus
only if a Sale Event is consummated (i) while Key Employee is an employee of the
Company or any of its subsidiaries, (ii) if the Key Employee's employment is
terminated without "Cause," within three (3) months of such termination, or
(iii) if the Key Employee's employment by reason of death or permanent
disability, within six (6) months of such termination. For purposes hereof, the
term "Cause" shall mean (i) the failure by the Key Employee to perform his
duties as employee as reasonably requested by the Company's President, as
documented in writing to the Key Employee, (ii) the failure by the Key Employee
to observe all material policies of the Company generally applicable to
executives of the Company, (iii) gross negligence or willful misconduct by the
Key Employee in the performance of his duties, (iv) the commission by the Key
Employee of an act of fraud or embezzlement against the Company or the
conviction of any felony or act involving moral turpitude, (v) material breach
by the Key Employee of his obligations under any contract or agreement with the
Company, (vi) chronic absenteeism, or (vii) substance abuse.

                                       2
<PAGE>

            (b)   The Sale Bonus shall be satisfied in the same form of
consideration as is received by the Trivest Investors. If the Trivest Investors
receive a combination of cash and property, the Sale Bonus shall be satisfied in
such forms in the same proportion as is received by the Trivest Investors.

            (c)   If all or a portion of the consideration payable by reason of
a Sale Event is payable over time or based upon the existence or occurrence of
events in the future, the amount of the Sale Bonus shall be computed based on
the actual consideration received by the Company's equity holders at closing and
the Sale Bonus shall include the right to receive the percentage of the Proceeds
Available for Distribution to Shareholders applied to such future consideration
as and when such consideration is received.

      5.    Modification to Right. In the event of an extraordinary corporate
transaction, including, by way of example, any material acquisition or
disposition of assets or securities other than in the ordinary course of
business, or any material financing transaction, the Board shall in good faith
review for reasonableness the Sale Bonus formula specified in Section 2 hereof
and shall take such action, if any, as the Board in good faith deems necessary
to adjust such formula in light of the circumstances existing at such time.

      6.    Term. The Company's obligation to pay the Sale Bonus (or portion
thereof) granted hereunder shall terminate upon the earlier to occur of: (a) the
Key Employee's termination for Cause, death or permanent disability, (b) the Key
Employee's voluntary resignation, (c) three (3) months after the Key Employee's
termination without Cause, or (d) seven years from the date hereof.

      7.    Non-Transferability. Key Employee's rights under this Agreement may
not be sold, pledged, assigned, hypothecated, gifted, transferred or disposed of
in any manner either voluntarily or involuntarily by operation of law.

      8.    Withholding. The Company reserves the right to withhold, in
accordance with any applicable laws, from any consideration payable or property
transferable to the Key Employee, any taxes required to be withheld by federal,
state or local law as a result of the entering into this Agreement or the
receipt of cash or property upon a Sale Event. If the amount of any
consideration payable to the Key Employee is insufficient to pay such taxes or
if no consideration is payable to the Key Employee, upon the request of the
Company, the Key Employee shall pay to the Company an amount sufficient for the
Company to satisfy any federal, state or local tax withholding requirements it
may incur, as a result of the entering into of this Agreement or the receipt of
cash or property upon a Sale Event.

      9.    Employment. This Agreement shall not confer upon the Key Employee
any right to continue in the service of the Company or any subsidiary or limit,
in any respect, the right of the Company or any subsidiary to discharge the Key
Employee at any time, with or without Cause and with or without notice.

      10.   Governing Law. This Agreement shall be construed in accordance with
the laws of the State of California, without regard to the application of the
principles of conflicts of laws.

      11.   Amendment. This Agreement may only be amended by a writing signed by
each of the parties hereto.

                                       3
<PAGE>

      IN WITNESS WHEREOF, this Agreement has been executed by the parties as of
the date set forth above.

                                         DEI HOLDINGS, INC.

                                         By:
                                            ------------------------------------
                                             James E. Minarik,
                                             President

                                         ---------------------------------------
                                         [KEY EMPLOYEE]

                                       4
<PAGE>
Schedule to Exhibit 10.5: The form of Key Employee Sale Bonus Agreement was
executed by the following persons:

Employee
--------
Kevin Duffy
Glenn Busse
Mark Rutledge
Michael Smith
Rich Hirshberg
KC Bean
Jim Jardin
Mike Wilhelm
Al Fontane
Jeff Blair
Arlene Watson
Patricia Merson
James Turner
Kevin Hunter
Chris Rudder
Jeff Burt
Ralf EngelbrechtEXHIBIT 10.1

                                 AMENDMENT NO. 5
                                 ---------------

         AMENDMENT NO. 5 (this "Amendment"), dated as of November 14, 2005, to
that certain Credit and Guaranty Agreement, dated as of June 4, 2004, as amended
(the "Credit Agreement"; capitalized terms used herein and not defined shall
have the meaning set forth in the Credit Agreement), among MAAX CORPORATION, a
Nova Scotia unlimited company ("Company"), BEAUCELAND CORPORATION, a Nova Scotia
unlimited company ("Holdings"), CERTAIN SUBSIDIARIES OF HOLDINGS, as Guarantors,
the Lenders party thereto from time to time, GOLDMAN SACHS CREDIT PARTNERS L.P.,
as Joint Lead Arranger and as Syndication Agent, ROYAL BANK OF CANADA, as
Administrative Agent (in such capacity, "Administrative Agent") and as
Collateral Agent, ROYAL BANK OF CANADA, ACTING THROUGH ITS BUSINESS GROUP RBC
CAPITAL MARKETS, as Joint Lead Arranger, and MERRILL LYNCH & CO., MERRILL LYNCH,
PIERCE, FENNER & SMITH INCORPORATED, as Joint Lead Arranger and as Documentation
Agent.

                              W I T N E S S E T H :
                              - - - - - - - - - -

         WHEREAS, Company desires to amend the Credit Agreement to modify
certain financial and reporting covenants; and

         WHEREAS, pursuant to Section 10.5 of the Credit Agreement Company and
Administrative Agent hereby agree to amend the Credit Agreement as set forth
herein.

         NOW, THEREFORE, in consideration of the foregoing, and for other good
and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto hereby agree as follows:

         SECTION ONE - Amendments. Subject to the satisfaction of the conditions
set forth in Section Two hereof:

         (i)      The definitions of Applicable Margin and Applicable Revolving
Commitment Fee Percentage in Section 1.1 of the Credit Agreement are hereby
amended and restated in their entirety to read:

         "Applicable Margin" and "Applicable Revolving Commitment Fee
Percentage" mean (i) with respect to all Loans that are Eurodollar Rate Loans,
Canadian Eurodollar Rate Loans or BA Discount Rate Loans and the Applicable
Revolving Commitment Fee Percentage, (a) from the Closing Date until the date of
delivery of the Compliance Certificate and the financial statements for the
second fiscal quarter commencing after the Closing Date, a percentage, per
annum, determined by reference to the following table as if the Leverage Ratio
then in effect were in excess of 4.50:1.00; and (b) thereafter, a percentage,
per annum, determined by reference to the Leverage Ratio in effect from time to
time as set forth below:

                                       1
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============================================================================
                   Applicable Margin       Applicable          Applicable
                  for Tranche A Term       Margin for          Revolving
    Leverage          Loans and          Tranche B Term        Commitment
     Ratio          Revolving Loans          Loans           Fee Percentage
---------------------------------------------------------------------------

   > 5.25:1.00           2.50%               3.00%               0.50%
---------------------------------------------------------------------------
   < 5.25:1.00           2.50%               2.75%               0.50%
   -
   > 4.50:1.00
---------------------------------------------------------------------------
   < 4.50:1.00           2.25%               2.75%               0.50%
   -
   > 3.50:1.00
---------------------------------------------------------------------------
   < 3.50:1.00           2.00%               2.50%               0.40%
   -
   > 2.50:1.00
---------------------------------------------------------------------------
   < 2.50:1.00           1.75%               2.50%               0.35%
   -
============================================================================

and (ii) with respect to Loans that are Base Rate Loans or Prime Rate Loans, an
amount equal to (a) the Applicable Margin for Eurodollar Rate Loans as set forth
in clause (i)(a) or (i)(b) above, as applicable, minus (b) 0.75% per annum;
provided that notwithstanding the foregoing the Applicable Margin for all
Tranche B Term Loans shall be calculated as if the Leverage Ratio in effect were
in excess of 5.25:1.00 from November 14, 2005 until financial statements and a
Compliance Certificate related to a fiscal period ended after November 14, 2005
indicating a Leverage Ratio less than or equal to 5.25:1.00 have been delivered
pursuant to Section 5.1(d). No change in the Applicable Margin or the Applicable
Revolving Commitment Fee Percentage shall be effective until three Business Days
after the date on which Administrative Agent shall have received the applicable
financial statements and a Compliance Certificate pursuant to Section 5.1(d)
calculating the Leverage Ratio. At any time Company has not submitted to
Administrative Agent the financial statements and a Compliance Certificate
calculating the Leverage Ratio as and when required under Section 5.1(d), the
Applicable Margin and the Applicable Revolving Commitment Fee Percentage shall
be determined as if the Leverage Ratio were in excess of 5.25:1.00 until such
financial statements and Compliance Certificate are delivered to Administrative
Agent. Within one Business Day of receipt of the financial statements and
Compliance Certificate calculating the Leverage Ratio under Section 5.1(d),
Administrative Agent shall give each Lender telefacsimile or telephonic notice
(confirmed in writing) of the Applicable Margin and the Applicable Revolving
Commitment Fee Percentage in effect from the day that is three Business Days
after such receipt.

         (ii)     The definition of Narrative Report in Section 1.1 of the
Credit Agreement is hereby amended and restated in its entirety to read:

         "Narrative Report" means, with respect to the financial statements for
which such narrative report is required, a narrative report describing the
operations of MAAX Holdings and its Subsidiaries, in the form prepared for
presentation to senior management thereof for the applicable Fiscal Quarter or
Fiscal Year and for the period from the beginning of the then current Fiscal
Year to the end of such period to which such financial statements relate, along
with a formal reconciliation between the financial statements of MAAX Holdings
and its Subsidiaries and those of Holdings and its Subsidiaries for such
periods.

                                       2
<PAGE>

         (iii)    Section 6.8(a) of the Credit Agreement is hereby amended and
restated in its entirety to read:

         Interest Coverage Ratio. Company shall not permit the Interest Coverage
Ratio as of the last day of any Fiscal Quarter, beginning with the Fiscal
Quarter ending August 31, 2004, to be less than the ratio indicated below:

            ======================================================
                                                         Interest
            Fiscal Quarter Ending                        Coverage
                                                           Ratio
            ------------------------------------------------------
            On or prior to February 28, 2006             2.00:1.00
            ------------------------------------------------------
            After February 28, 2006 and                  1.85:1.00
            on or prior to August 31, 2006
            ------------------------------------------------------
            After August 31, 2006 and on                 1.90:1:00
            or prior to May 31, 2007
            ------------------------------------------------------
            After May 31, 2007 and on or                 2.25:1.00
            prior to August 31, 2007
            ------------------------------------------------------
            After August 31, 2007 and on                 2.50:1.00
            or prior to February 29, 2008
            ------------------------------------------------------
            After February 29, 2008                      2.75:1.00
            ======================================================

         (iv)     Section 6.8(c) of the Credit Agreement is hereby amended and
restated in its entirety to read:

         Leverage Ratio. Company shall not permit the Leverage Ratio as of the
last day of any Fiscal Quarter, beginning with the Fiscal Quarter ending August
31, 2004, to exceed the ratio indicated below:

            ======================================================
            Fiscal Quarter Ending                   Leverage Ratio
            ------------------------------------------------------
            On or prior to May 31, 2005                  6.00:1.00
            ------------------------------------------------------
            August 31, 2005                              6.50:1.00
            ------------------------------------------------------
            November 30, 2005                            6.00:1.00
            ------------------------------------------------------
            February 28, 2006                            6.00:1.00
            ------------------------------------------------------
            May 31, 2006                                 6.00:1.00
            ------------------------------------------------------
            August 31, 2006                              6.00:1.00
            ------------------------------------------------------
            November 30, 2006                            6.00:1.00
            ------------------------------------------------------
            February 28, 2007                            5.75:1.00
            ------------------------------------------------------
            May 31, 2007                                 5.50:1.00
            ------------------------------------------------------
            August 31, 2007                              4.75:1.00
            ------------------------------------------------------
            November 30, 2007                            4.50:1.00
            ------------------------------------------------------
            February 29, 2008                            4.25:1.00
            ------------------------------------------------------
            May 31, 2008 and thereafter                  3.75:1.00
            ======================================================

                                       3
<PAGE>

         SECTION TWO - Conditions to Effectiveness. This Amendment shall become
effective as of the Closing Date as if entered into on the Closing Date when,
and only when, (i) Administrative Agent shall have received (x) counterparts of
this Amendment executed by Company and Administrative Agent and (y) consents to
this Amendment from the Requisite Lenders and (ii) Company shall have delivered,
by wire transfer of immediately available funds, to Administrative Agent, for
the ratable account of each Lender consenting hereto, a fee equal to (A) in
Canadian Dollars, 0.25% of the aggregate principal amount of Tranche A Term
Loans plus the aggregate amount of Revolving Commitments of such Lenders plus
(B) in U.S. Dollars, 0.125% of the aggregate principal amount of Tranche B Term
Loans of such Lenders. The effectiveness of this Amendment (other than Sections
Five, Six and Seven hereof) is conditioned upon the accuracy of the
representations and warranties set forth in Section Three hereof.

         SECTION THREE - Representations and Warranties; Covenants. In order to
induce the Lenders to consent to this Amendment, the Company represents and
warrants to each of the Lenders and the Agents that after giving effect to this
Amendment, (x) no Event of Default or Default has occurred and is continuing;
and (y) the representations and warranties contained in the Credit Agreement and
in the other Credit Documents are true and correct in all material respects (and
any such representations and warranties that contain a materiality or Material
Adverse Effect qualification are true and correct in all respects) on and as of
the date hereof to the same extent as though made on and as of the date hereof,
except to the extent such representations and warranties specifically relate to
an earlier date, in which case such representations and warranties were true and
correct in all material respects on and as of such earlier date.

         SECTION FOUR - Reference to and Effect on the Credit Agreement and the
Notes. On and after the effectiveness of this Amendment, each reference in the
Credit Agreement to "this Agreement", "hereunder", "hereof" or words of like
import referring to the Credit Agreement, and each reference in the Notes and
each of the other Credit Documents to "the Credit Agreement", "thereunder",
"thereof" or words of like import referring to the Credit Agreement, shall mean
and be a reference to the Credit Agreement, as amended by this Amendment. The
Credit Agreement, the Notes and each of the other Credit Documents, as
specifically amended by this Amendment, are and shall continue to be in full
force and effect and are hereby in all respects ratified and confirmed. Without
limiting the generality of the foregoing, the Collateral Documents and all of
the Collateral described therein do and shall continue to secure the payment of
all Obligations of the Credit Parties under the Credit Documents. The execution,
delivery and effectiveness of this Amendment shall not, except as expressly
provided herein, operate as an amendment or waiver of any right, power or remedy
of any Lender or any Agent under any of the Credit Documents, nor constitute an
amendment or waiver of any provision of any of the Credit Documents.

         SECTION FIVE - Costs, Expenses and Taxes. Company agrees to pay all
reasonable costs and expenses of the Agents in connection with the preparation,
execution and delivery of this Amendment and the other instruments and documents
to be delivered hereunder, if any (including, without limitation, the reasonable
fees and expenses of Cahill Gordon & Reindel LLP) in accordance with the terms
of Section 10.2 of the Credit Agreement.

                                       4
<PAGE>

         SECTION SIX - Execution in Counterparts. This Amendment may be executed
in any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original
and all of which taken together shall constitute but one and the same agreement.
Delivery of an executed counterpart of a signature page to this Amendment by
facsimile shall be effective as delivery of a manually executed counterpart of
this Amendment.

         SECTION SEVEN - Governing Law. This Amendment shall be governed by, and
construed in accordance with, the laws of the State of New York, without regard
to the principles of conflicts of laws thereof to the extent that the
application of the laws of another jurisdiction would be required thereby.

                            [SIGNATURE PAGES FOLLOW]

                                       5
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed and delivered as of the day and year first above written.

                                       MAAX CORPORATION

                                       By: /s/ DENIS AUBIN
                                           -------------------------------------
                                           Denis Aubin
                                           Chief Financial Officer, Executive
                                           Vice President and Secretary

                                       6
<PAGE>

                                       ROYAL BANK OF CANADA, as Administrative
                                          Agent

                                       By: /s/ DAVID WHEATLEY
                                           -------------------------------------
                                           Name:  David Wheatley
                                           Title: Manager, Agency

                                       7

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