Roofing & Construction
Roof Decking
The structural base layer of a roof, typically plywood or OSB, attached to the rafters or trusses. Everything else - underlayment, shingles - sits on top of the decking.
The structural base layer of a roof, typically plywood or OSB, attached to the rafters or trusses. Everything else - underlayment, shingles - sits on top of the decking.

