Simpson Door
Four Star Rating
Simpson is pleased to announce that our doors have successfully completed testing for emissions of volatile organic compounds (VOCs) and received the coveted Four Star rating from the Japanese Ministry of Land, Infrastructure and Transportation. The rating certifies that our doors have the lowest possible emissions of formaldehyde, the most common source of VOCs in wood-based products.
The approvals are bestowed upon panel doors and Simpson has received these approvals for a number of door products including those with the following panels:
- 9/16" Raised Panel
- 3/4" Raised Panel
- 3/4" Flat Panel with Med-ex Core
- 1-1/4" Innerbond® Raised Panel
- 1-7/16" Innerbond® Raised Panel with Particle Board Core
To view the official approval documents, please select one of the approvals below.