A skylight is a hole in your roof. A good one is a beautifully engineered hole with a sound waterproofing system around it — but it’s still the single most vulnerable penetration on most Michigan roofs, along with the chimney.
Learn MorePorch columns fail from the bottom up, quietly, for years before anyone notices. By the time you can push a screwdriver into the base of a wood post, the damage has usually been progressing for several seasons.
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