Roofing & Gutters

Roofing materials, pitch, gutters, and downspout sizing.

Calculators

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Roofing Calculator

Calculate shingles, underlayment, and materials based on roof area and pitch

Gutter Calculator

Calculate gutter materials, downspouts, and hardware needed

Rain Gutter & Downspout Sizing

Size gutters and downspouts based on roof area and rainfall

Cheat Sheets

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Roof Pitch to Angle Conversion

Table converting common roof pitches into angles and surface area multipliers

Gutter Installation Cheat Sheet

Complete gutter installation guide with parts list, sizing charts, slope requirements, step-by-step installation, and maintenance tips

Asphalt Shingle Roofing Guide

Underlayment types (felt vs synthetic), starter strip placement, shingle exposure, nail placement, flashing details, open vs closed valley methods, ridge cap installation, attic ventilation ratios

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