Enviroshake® products are fire retardant to meet Class C fire ratings and when complemented with Class A underlay, can meet and exceed regional building codes that require a Class A fire rating.
Impact tests show you don’t need to worry about damage from falling tree limbs, hail, wind, or even walking on your roof. They have the highest certification level available- LEVEL IV UL 2218.
They’ve solved the freeze/thaw problems associated with cedar. Weatherometer results, under 5x magnification displayed no delaminating, cracking, erosion or chalking to affect the performance of the shake.
Enviroshake® Inc. products exhibited superior performance in tests for wind speeds up to 180 MPH (290 km/h)
Mould, mildew and insect resistant, will not rot, crack, or peel, maintenance free, and hail resistant!