Locking Shingles

LoctFast Shingles History of Roofing

February 17, 2014 at 12:00 a.m.

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 ...