TradesRoofing
Roofing tools
Decision tools for roofing work.
Roofing Roofing Squares and Waste Turn a roof footprint and pitch into squares and bundles, with the right waste for the roof. Roofing Roof Underlayment and Fasteners Get the underlayment rolls and roofing nails for a roof, and choose felt versus synthetic. Roofing Ridge Vent and Ice-and-Water Get the ice-and-water rolls for the eaves and the ridge-vent length and net free area. Roofing Attic Ventilation and Net Free Area Work out the attic vent area you need, split intake and exhaust, and decide between the 1/150 and 1/300 rules. Roofing Roof Pitch Converter and Walkability Convert a roof pitch to degrees, percent, and area multiplier, and judge whether it is walkable or needs jacks or staging. Roofing Gutter and Downspout Sizing Size gutters and downspouts from the roof drainage area and rainfall, and settle 5 in vs 6 in K-style.