Genuine Therma-Tru®sills and bottomsweeps help form a tight seal against wind-driven moisture infiltration at the bottom of the door system and help channel moisture away from the home. The sill pan (recommended) adds an extra layer of protection to help keep moisture away from the subfloor.
Coastal Sill (Without Thermal Break – For Coastal Regions)
- Continuous treated Pine substrate provides a solid stepping surface and resists rot.
- All-aluminum cap and nosing resists corrosion and features an extra-high cap profile to provide improved resistance to wind-driven moisture infiltration.
- Integrated removable weatherstrip creates a bumper effect, strengthening its seal with wind pressure.
- Extra thick, 14-gauge aluminum approach provides excellent durability and a solid stepping surface.
*To confirm code requirements in your jurisdiction, always check with your local building code authority. NOTE: See your Therma-Tru seller for availble component options.