
Why a roof leak can return after a patch
A returning leak can mean the water path or adjoining roof detail still needs work. Learn what changes a patch into a repair that addresses the cause.
Read the articlePractical explanations of the roof problems that leave people wondering what to do next. Each article follows one question through the roof details that affect the answer.
For project decisions such as costs, materials, permits and coverage, explore the roofing guides and tools. The articles below examine individual roofing problems in more detail.

A returning leak can mean the water path or adjoining roof detail still needs work. Learn what changes a patch into a repair that addresses the cause.
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What a commercial roof needs before coating: sound dry layers, compatible preparation, repaired details and a work sequence that fits the occupied building.
Read the articleTell us what you have noticed. A free roof inspection can connect a general explanation to the condition of your Addison roof.