Roofing
Squares, pitch, layers, and the flashing and ventilation lines a roofing estimate leaves out — checked against the shingle maker's own instructions.
- Roofing Drip Edge and Ice Barrier: Are They Really Optional A roofing bid files three items under optional upgrades. Two are code items with no exception clause; the third can cut a lifetime warranty to ten years.
- Roofing Roofing Estimate: Squares, Layers and Six Missing Lines A roof is sold by the square, so a bid with no square count is a price attached to nothing. Pitch, waste, layers, and the six lines usually left off.