We hope this information will help you to make an informed, intelligent, buying decision and not one based solely on price alone.
The Five Main Components of Shingle Roofing:
Roof covering:
Shingles, tile, slate, cedar or metal and underlayment that protect the sheathing from weather.
Sheathing:
Boards or sheet material that are fastened to the roof rafters to cover a house or building.
Roof structure:
Rafters and trusses constructed to support the sheathing.
Flashing:
Sheet metal or other material installed into a roof system’s various joints and valleys to prevent water seepage.
Drainage:
A roof system’s design features, such as shape, slope and layout that affect its ability to shed water.