Document:

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                                                                   EXHIBIT 10.10
                                                                   -------------
NORTEK

RICHARD L. BREADY
CHAIRMAN AND CEO

October 31, 2003

Mark Watson
President
Thermal-Gard, Inc.
400 Walnut Street
Punxsutawney, PA 15767-1368

Dear Mark,

         This letter describes the terms and conditions of the key employee
incentive program for the possible sale of Ply Gem Industries, Inc., including
its wholly-owned subsidiaries Variform, Inc., Napco, Inc., Great Lakes Window,
Inc., Kroy Buildings Products, Inc. and Thermal-Gard, Inc., and the business of
the CWD Windows and Doors Division of Broan-NuTone Canada Inc. (collectively
"WDS").

         1.       Upon the closing of the sale of WDS, you will be paid by
                  Nortek, Inc. a cash incentive bonus of $300,000, payable on or
                  before the 10th day after Nortek receives payment from the
                  sale.

         2.       Upon the closing of the sale of WDS: (a) the Class A Options
                  previously granted to you pursuant to the Nortek Holdings,
                  Inc. 2002 Stock Option Plan shall become fully vested; and (b)
                  the Class A and Class B Options previously granted to you
                  shall remain exercisable by you (subject to all other
                  conditions of the Plan, including the requirements that a
                  minimum Exit Value per share in excess of $92 is achieved and
                  that the Kelso entities achieve the 17% Investor Return)
                  regardless of your continued employment with WDS after the
                  sale. A copy of the resolution of the Compensation Committee
                  of the Nortek Holdings Board of Directors is enclosed together
                  with a copy of the Stock Option Plan.

         3.       No payments or arrangements pursuant to paragraphs 1 and 2
                  above shall be made if you are not employed by WDS (for any
                  reason) on the sale date or you have not committed the
                  necessary time and effort toward the sale of WDS which shall
                  include preparing due diligence materials, preparing
                  presentation material, meeting with potential buyers and
                  otherwise acting in the best interests of the shareholders of
                  WDS.

         4.       You have also been named by the Ply Gem Industries, Inc. Board
                  of Directors as a participant in the Ply Gem Industries, Inc.
                  Change in Control Severance Benefit Plan for Key Employees, a
                  copy of which is enclosed. The Plan

NORTEK, INC., 50 KENNEDY PLAZA, PROVIDENCE, RHODE ISLAND 02903-2360 401-751-1600
                                FAX 401-751-4610

<PAGE>
                                                                               2

                  provides generally that if you are terminated other than for
                  Cause or there is a material adverse change in your employment
                  during a period of 24 months following the sale of WDS, you
                  shall be paid, for the 24 months following such termination,
                  an annual amount equal to your 2003 base salary plus your 2003
                  annual performance bonus. (Please refer to the specific
                  language of the plan.)

         5.       In the event the sale of WDS is not completed on or before
                  March 31, 2004, this letter shall be null, void and have no
                  further effect and any obligation or agreement set forth
                  herein shall immediately terminate even if WDS is sold at some
                  later date.

         6.       This letter should in no way be viewed as any guarantee of
                  continued employment with WDS.

         7.       All payments shall be subject to any applicable withholdings
                  and any tax on such amounts shall be your responsibility. It
                  is understood that payments made pursuant to this letter do
                  not create any employment arrangement between any individual
                  and Ply Gem, Nortek or any Nortek subsidiary. Any payments
                  made pursuant to this agreement are not counted toward any
                  pension, 401(k) or other benefit plan of WDS or Nortek.

         8.       This letter sets forth the entire understanding regarding what
                  payment, if any, shall be made to you upon the sale of WDS
                  except as may be set forth in a written agreement between the
                  parties or contained in written benefit plans available to
                  employees or executives generally.

                                              Very truly yours,

                                              /s/ Richard L. Bready

                                              Richard L. Bready

NORTEK, INC., 50 KENNEDY PLAZA, PROVIDENCE, RHODE ISLAND 02903-2360 401-751-1600
                                FAX 401-751-4610<PAGE>

                                                                   EXHIBIT 10.11
                                                                   -------------
NORTEK

RICHARD L. BREADY
CHAIRMAN AND CEO

October 31, 2003

Bryan Sveinson
President
CWD Windows and Doors
2008-48th Street SE
Calgary
Alberta, Canada T2B 2E5

Dear Bryan,

         This letter describes the terms and conditions of the key employee
incentive program for the possible sale of Ply Gem Industries, Inc., including
its wholly-owned subsidiaries Variform, Inc., Napco, Inc., Great Lakes Window,
Inc., Kroy Buildings Products, Inc. and Thermal-Gard, Inc., and the business of
the CWD Windows and Doors Division of Broan-NuTone Canada Inc. (collectively
"WDS").

         1.       Upon the closing of the sale of WDS, you will be paid by
                  Nortek, Inc. a cash incentive bonus of $200,000, payable on or
                  before the 10th day after Nortek receives payment from the
                  sale.

         2.       Upon the closing of the sale of WDS: (a) the Class A Options
                  previously granted to you pursuant to the Nortek Holdings,
                  Inc. 2002 Stock Option Plan shall become fully vested; and (b)
                  the Class A and Class B Options previously granted to you
                  shall remain exercisable by you (subject to all other
                  conditions of the Plan, including the requirements that a
                  minimum Exit Value per share in excess of $92 is achieved and
                  that the Kelso entities achieve the 17% Investor Return)
                  regardless of your continued employment with WDS after the
                  sale. A copy of the resolution of the Compensation Committee
                  of the Nortek Holdings Board of Directors is enclosed together
                  with a copy of the Stock Option Plan.

         3.       No payments or arrangements pursuant to paragraphs 1 and 2
                  above shall be made if you are not employed by WDS (for any
                  reason) on the sale date or you have not committed the
                  necessary time and effort toward the sale of WDS which shall
                  include preparing due diligence materials, preparing
                  presentation material, meeting with potential buyers and
                  otherwise acting in the best interests of the shareholders of
                  WDS.

         4.       You have also been named by the Ply Gem Industries, Inc. Board
                  of Directors as a participant in the Ply Gem Industries, Inc.
                  Change in Control Severance

<PAGE>
                                                                               2

                  Benefit Plan for Key Employees, a copy of which is enclosed.
                  The Plan provides generally that if you are terminated other
                  than for Cause or there is a material adverse change in your
                  employment during a period of 24 months following the sale of
                  WDS, you shall be paid, for the 24 months following such
                  termination, an annual amount equal to your 2003 base salary
                  plus your 2003 annual performance bonus. (Please refer to the
                  specific language of the plan.)

         5.       In the event the sale of WDS is not completed on or before
                  March 31, 2004, this letter shall be null, void and have no
                  further affect and any obligation or agreement set forth
                  herein shall immediately terminate even if WDS is sold at some
                  later date.

         6.       This letter should in no way be viewed as any guarantee of
                  continued employment with WDS.

         7.       All payments shall be subject to any applicable withholdings
                  and any tax on such amounts shall be your responsibility. It
                  is understood that payments made pursuant to this letter do
                  not create any employment arrangement between any individual
                  and Ply Gem, Nortek or any Nortek subsidiary. Any payments
                  made pursuant to this agreement are not counted toward any
                  pension, 401(k) or other benefit plan of WDS or Nortek.

         8.       This letter sets forth the entire understanding regarding what
                  payment, if any, shall be made to you upon the sale of WDS
                  except as may be set forth in a written agreement between the
                  parties or contained in written benefit plans available to
                  employees or executives generally.

                                              Very truly yours,

                                              /s/ Richard L. Bready

                                              Richard L. Bready

NORTEK, INC., 50 KENNEDY PLAZA, PROVIDENCE, RHODE ISLAND 02903-2360 401-751-1600
                                FAX 401-751-4610

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