AskARoofer

AARE - Roof Replacing

AARE Mindy Dahlquist Apr 2026

Important considerations for installing a new roof over a current one

AAR Expert Mindy Dahlquist says installing a roof over a current roof system is ideal when the roof itself is in good shape but has just reached the end of its visually appealing phase. AAR Expert April question: When is it acceptable to install a new roof over an existing roof? AAR ...


When can spray foam be used on your roof

When can spray foam be used on your roof?

AAR Expert Will Lorenz spray foam is a great product to put over an existing roof system and on new construction. Editor's note: The following is a transcript of a conversation with Will Lorenz partner of General Coatings. You can listen to the interview or read the transcript below. Lauren White: Hello, ...


Should you install a new roof over your old one?

Should you install a new roof over your old one?

AAR Expert John Kenney explains why you must account for the condition of your roof before deciding what to put on top of it. This is a question I get quite a bit, especially from homeowners trying to balance cost with long-term value. Installing a new roof over an existing one ...


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