Locking Shingles
LoctFast Shingles History of Roofing
The History of Roofing featured roofing product of today is LoctFast Asphalt Shingles. Manufactured by Eggers Asphaltum Roofing Company in St. Paul Minnesota around the 1920’s. It is called a locking shingle because of its unique shape and notches that interlock at the corners creating a contiguous roofing system. These early styles ...
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