WindsorONE S4S Protected Trim Board

WindsorONE S4S Protected Trim Board

Transform your interior projects with WindsorONE S4S Protected Trim Boards—the premium choice for professionals and DIY enthusiasts who demand quality, precision, and performance. Featuring four smooth sides with square edges (S4SSE), these versatile trim boards deliver exceptional straightness and stability, making every installation clean, easy, and professional-looking.

Key Features:

Superior finger joint technology ensures boards are straight, tight, and true
Factory-applied three-coat, 100% acrylic latex primer for a smooth, ready-to-paint finish
Available in a comprehensive range of sizes for any interior application
Gold Indoor Air Quality Rating—certified for minimal VOC emissions
Four smooth sides with square edges for flawless installations
Saves time and money on the jobsite with consistent quality and reduced prep work

Healthier Homes, Superior Quality:

WindsorONE Trim Boards carry SCS Global Services' Gold Indoor Air Quality Rating—the most stringent certification available for low VOC emissions. This means healthier indoor air for your family, with the same exacting standards used in schools and healthcare facilities. It's the responsible choice for any home environment, especially for families with children or those with sensitivities.

Endless Applications:

Interior Trim: Window and door casings, base moldings, and trim details
Wainscoting & Wall Treatments: Board and batten, stiles and rails, paneled wainscoting
Coffered & Paneled Ceilings: Create custom beams, flat panels, or combine with Classic American Moldings
Stair Components: Risers, skirt boards, and trim details
Window & Door Jambs: Perfect alignment with straight, true boards
Mantels & Built-Ins: Unlimited design possibilities for custom millwork and storage solutions

Product Specifications:

Size	Net Size
1x2	3/4" x 1-1/2"
1x3	3/4" x 2-1/2"
1x4	3/4" x 3-1/2"
1x5	3/4" x 4-1/2"
1x6	3/4" x 5-1/2"
1x8	3/4" x 7-1/4"
1x10	3/4" x 9-1/4"
1x12	3/4" x 11-1/4"
5/4x3	1-1/16" x 2-1/2"
5/4x4	1-1/16" x 3-1/2"
5/4x5	1-1/16" x 4-1/2"
5/4x6	1-1/16" x 5-1/2"
5/4x8	1-1/16" x 7-1/4"
5/4x10	1-1/16" x 9-1/4"
5/4x12	1-1/16" x 11-1/4"

What is S4S?

S4SSE (often shortened to S4S) is a building industry term for wood trim boards that have four smooth sides with four square edges—the professional standard for interior trim work.

Shipping Information

Please call 1.877.232.3915, e-mail or message us online. We will call you to verify your order and to make payment arrangements. We also have several other trucking companies that work with us at a 72% discount which we pass onto you. Orders can be shipped direct to your home or jobsite. We can also hold orders at your local freight terminal for customer pickup. Small orders are shipped via UPS. We also ship to European and other foreign countries on container load basis. We ship anywhere in the world...please phone or email if you have shipping questions.
Check out our complete terms of sale for more info >