Guides for roof and gutter work.
Measure, compare, and understand a preliminary estimate.
How to measure roof pitch before estimating materials
Learn what to measure, how rise and run become an angle, and where a roof pitch estimate stops.
Roof measurementHow to estimate gutter installation cost
Separate linear footage, labor, supplies, removal, disposal, and local price limits before comparing a quote.
Costs and planningHow to Calculate Roof Area from Footprint and Pitch
Calculate sloped roof area from a rectangular footprint and one consistent pitch, then use the result for squares and material planning.
Roof measurementHow Many Roofing Squares and Shingle Bundles Do You Need?
Convert measured roof area into roofing squares and product-specific shingle bundles without relying on a universal bundle rule.
Roof materialsHow to Measure Gutter Length and Count Gutter Sections
Measure separate eave runs, total the linear feet, and round the result to the stock gutter section length you plan to use.
Gutters and downspoutsHow to Choose Half-Round Gutter Size and Downspout Capacity
Compare listed half-round gutter sizes and downspout capacity from catchment area, rainfall intensity, roof factor and stated capacity.
Gutters and downspouts