Roof Layer In New Construction

The roof deck is the roof layer also called sheathing that is installed between the trusses joists and underlayment layer in a typical roof install.

Roof layer in new construction.

It provides structure by tying the trusses and joists together. The roof decking acts as a unifying structure by tying the trusses joists together. Other materials such as corrugated metal reinforced concrete polystyrene and double tee are also used. Nailed to the trusses or rafters.

Roof deck prep and repair. Ice water barrier this self adhering water proof and self sealing membrane is applied to the roof deck. Underlayment is usually felt or fiberglass paper that covers the entire roof deck. Each layer has a specific purpose that when combined with the other components provides protection to your home.

If you re tearing off old roofing the roofer can look for damage that needs to be repaired once the deck is bare. The material used for decking varies but most homes have plywood or osb sheets. The roof decking is the layer of plywood or o s b. 3 starter shingles a narrow row of asphalt roofing the starter strip is nailed to the perimeter of the roof with a bead of adhesive on top that grips the underside of the first course of shingles keeping them in place during high winds.

Water shield is the next roofing layer that creates a water proof barrier where ice or water can buildup near the roof eaves. Decking wood sheathing the decking is the base on which everything else is laid. Also called sheathing the roof deck is the layer installed over the framing and provides the base on which everything else is laid. This synthetic layer which replaces felt paper covers the entire roof deck and is the second line of defense against leaks after the shingles.

The roof is a system composed of layers of different materials that work together to keep wind and weather out of your home. Most roof decking is made from sheets of plywood. Roof decking is typically 7 16 and comes in 4 x8 sheets.