How roof pitch is measured and what the numbers mean
Learn how to measure the pitch of roofs and understand what the rise over run numbers mean for shingles, attic space and roof replacements.
Last revised October 22, 2026
Learn how to measure the pitch of roofs and understand what the rise over run numbers mean for shingles, attic space and roof replacements.
Understand the difference between a hip vs gable roof, how each structure is framed, and why hip roofs perform better in hurricane wind zones.
Learn about the nine most common roof types on American houses and how builders frame them to handle heavy rain, winter snow and high wind.
Learn the exact steps to install crawl space insulation with a vapor barrier to control moisture, stop floor drafts and protect the wood frame of your house.
Find out if your house needs an attic vapor barrier based on your climate zone and learn how to stop trapped moisture from rotting your roof.
Find out where R13 insulation belongs in your walls and when R15 or R19 fits better for 2x4 and 2x6 framing to stop heat loss effectively.
Learn how a blow insulation attic project works from start to finish by prepping the floor, sealing air leaks and running a rented blower safely.
Compare blown in insulation with traditional batts and rolls to find the right material for your attic, open framing or closed existing walls.