Is it OK to put down a second layer of Cerazorb to build height or increase r-value?
It can be layered, as long as the seams are staggered and the layers are thin-set or glued together.
Is it OK to put down a second layer of Cerazorb to build height or increase r-value?
It can be layered, as long as the seams are staggered and the layers are thin-set or glued together.