This Old House expert home improvement advice, step-by-step projects, how-to videos, and more on roofs and roofing material selections, planning, installation, replacement, maintenance, and repair. Information on roof pitch, flat roofs, green roofs, flashing, shingles, roof leaks, and more.

Roofing: Featured Article

bat removal house

How to Remove Bats from Your House

Bats in your belfry? The humane (and legal) way to remove them is through a process called "exclusion." Here's how… more

Q&A


Q: What is the purpose of the one-by's I see under all the floor and ceiling joists on the show? Do you think this is a better insulation for the sheet rock, and do you also do it with roof trusses?

– Joe, Bordentown, New Jersey

Tips


Put skylights near walls to scatter and reflect light, or better still, create a splayed opening rather than the standard squared one to spread the light even further.

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