Homeowner resources

Understand your roof

Plain-language guides for homeowners. Learn how your roof works, how to check it safely from the ground, and how to ask for the right help.

A few roof details worth knowing

Protection goes deeper than shingles

Beneath every shingle, solid decking anchors the fasteners, and underlayment acts as a secondary protective layer that sheds water if the surface ever lets it through.

Water needs a way out

Roof valleys collect the most water on a roof. Individually layered step flashing and kick-out diversion at wall junctions guide that water past the edges instead of behind them.

Small openings. Important protection.

Plumbing vents pass through the roof through small sealed boots. A tight pipe-boot seal around each penetration is what keeps a tiny gap from becoming a slow leak.

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