New Construction Windows


New Construction Double Hung Window
New Construction Windows

Specialty Wholesale Supply manufactures New Construction Vinyl Windows, made with quality DuraGard  and TrustGard materials. These windows can be customized to your satisfaction based on sizes, screen and grids; and they also come in our stock sizes.

New Construction windows feature a nail jamb and J-Channel for easy install from the outside of the house.

We offer Awnings, Bays, Bows, Casements, Double Hung, Garden, Picture, Shape and Sliding windows in New Construction.

DuraGard XT family of windows has been engineered to exceed today’s tough energy standards as well as being designed for aesthetic appeal.  SWS manufactures the DuraGard family to the highest quality to give the consumer years of worry-free use.   All of the DuraGard products are constructed using the finest materials on the market today.


All of our DuraGard products with Low E / Agron glass exceed the Energy Star requirements.
  The DuraGard XT family is available in eight new construction or replacement styles. DuraGard XT family of windows has been engineered to exceed today’s tough energy standards as well as being designed for aesthetic appeal.  Specialty Wholesale Supply manufactures the DuraGard family to the highest quality to give the consumer years of use, with no worries.   All of the DuraGard products are constructed using the finest quality materials that are on the market today.

How to Calculate Rough Openings for New Construction:
Take Unit Dimensions and add 1″ to the width and 1/2″ to the height.
Example: On a DG2424, the dimensions are 29 5/8 x 56 1/2.
29 5/8 + 1 = 30 5/8 Rough Opening Width
56 1/2 + 1/2 = 57 Rough Opening Height

Test Reports

Awning Test Report

Casement Test Report

Current Double Hung Test Report

Horizontal Slider Test Report

Helpful Links

Vinyl & Glass Warranty

Cellular Silicone Insulating Glass Spacer

EnerEDGE Spacer

8700 Keepers – Face Mount

Guardian Glass ClimaGuard 7257

U Values for All Windows

Grid Options

New Construction Double Hung Stock Sizes

Egress Formulas

Casement Handing

Patio Door Handing

Air Infiltration

Room Infiltration

Solar Heat Gain

Water Penetration

Casement & Awning Hardware