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One Precision Assemblies™

Our built-to-spec floor, wall, and roof panels are an ace up your sleeve for builders and developers. Leverage CertainTeed's deep building science expertise to streamline your process and build better performing, lower-maintenance homes per year.

Benefits of Offsite Construction


More Completions Per Year

Insulated and weathertight finished wall, floor and roof panels manufactured to your design—installed on your site in as little as two weeks.


Simply Superior

Windows, doors, siding, insulation, moisture management, structure, and interior finishes optimized for performance and sustainability.


Easy Does It

Designed to reduce the hassle of maintenance. Get in and out fast when it’s time to renovate.

Reduce Maintenance 
Over Generations

The benefits of using ONE PRECISION ASSEMBLIES™ don’t end when you finish your build. The quality, performance, and durable aesthetics give your homes an edge over the competition.

Future renovations and finish changes to CertainTeed’s code-compliant panels can be easily made to fit changing trends or owner needs – extending the life and desirability of your builds for years to come.

The "5 C's" of One Precision Assemblies™


Order complete prefabricated panels that are built to your design and meet or exceed local building codes.


Simplify your project with a single specification and warranty for the entire building envelope

A man applying sealant and membrane to an offsite panel.

Build faster without compromising quality.

Natural Resources

Save money and preserve the environment by reducing waste and energy consumption.

Family playing in living space together on couch.

Protect homeowners and the planet with healthy, durable homes.

Earn Tax Credits for Energy-Efficient Single-Family New Construction 


Builders of new or substantially reconstructed homes meeting energy efficiency requirements can receive a tax credit of up to $5,000 per home under the 45L energy-efficient home credit

Tax Credit Program Details

One Precision Assemblies™
Can Help Build Beautiful, 
Energy-efficient Homes Faster.

Sign up to learn more OR Call 610-893-6200 

to speak to an OPA specialist.

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