Product Approvals

Simpson doors are rated and tested to meet a variety of code requirements for today's homes. For nearly a century, we have been proud to make doors for American homeowners and can ensure you are getting fine craftsmanship and care with every door we build.

Energy Efficiency: See what Simpson is doing to ensure the most energy-efficient doors for your home. No matter what your climate or weather conditions, we have the doors for you.

Hurricane Approvals: Simpson doors are approved for Hurricane zones and the worst mother-nature can dish out.

Formaldehyde Testing: Simpson has received Japanese Ministry approval on acceptable formaldehyde emissions levels. And the 4-star rating is the highest possible rating.

Fire-Rated Doors: Simpson 20-minute fire-rated doors meet the requirements for most residential applicatIons, without compromising style.