Rafters

Wooden beams in attic designed to create a slope on a roof surface and support decking and roofing materials.

Common problems - warping or deflection which is usually caused by a lack of ventilation. Can cause dips on the roof surface.

Decking

Solid part of roof attached to rafters that supports the roof system. Usually plywood or wooden lumber in older home construction.

Common Problems - lack of ventilation can cause decking to warp. Water leaks will rot the wood material.

Underlayment

Water barrier of the roof system. This part of the roof can either be a tar felt, or an upgraded synthetic material.

Ventilation

The purpose of this roof component is to vent heat out of the attic space. Aside from cooling your homes interior it also prevents heat from dry rotting rafters and decking.

Shingles/Tile/Metal

Part of roof that creates a covering of overlapping elements of a roof system. This part of the roof can be asphaltic shingles, metal panels, tiles, or wood slats. This part of the roof system serves to protect roof against weather.