How Many Bundles of Shingles Do I Need for My Roof?
Learn how to calculate roof surface area, convert to roofing squares, estimate shingle bundles, and account for pitch waste factors.
Roofing Articles
Learn to estimate shingle bundles, roof areas, slope pitch multipliers, and waterproofing.
Roof Pitch Multipliers: How to Calculate Roof Slope Area
Master the geometry of roof slopes. Use pitch multipliers to convert flat building footprints into sloped roof areas accurately.
Ice and Water Shield: Essential Installation Guide & Calculator
Learn where ice and water membrane is required by building code, how to calculate rolls, and installation details for valleys.
Roofing Underlayment Types: Felt Paper vs Synthetic Wrap Comparison
Compare #15 felt, #30 felt, and synthetic roofing underlayment. Understand when each is required by code, how to calculate rolls needed, and installation best practices.