08/27/2026
š Why We Recommend a Full Roof Tear-Off
Installing new shingles directly over an old roof may save a little time upfront, but it can also hide serious problems underneath.
A full roof tear-off allows us to inspect the plywood decking for:
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Rot or water damage
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Soft or weakened plywood
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Hidden leaks
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Improper previous repairs
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Nail and fastening issues
If damaged plywood is covered with another layer of shingles, the new roof is only as strong as the deteriorated surface underneath it.
At TOPSTREAM Exterior, we believe a quality roof replacement starts from the decking up. Removing the old roofing materials gives us the opportunity to inspect the roof properly, replace damaged plywood when necessary, and install the new roofing system on a solid foundation.