Sprague with his friend Elizabeth Charpentier at a Red Sox game
Photo 1: This shingle's tab sealant has strong cohesive strength but lacks sufficient adhesive strength to form a good bond.
Photo courtesy of U.S. Polyco Inc., Ennis, Texas.
Photo 2: The tab sealant on this shingle has good adhesion but insufficient cohesive strength.
Photo 3: The sealant on this shingle has great adhesive and cohesive strength-enough to pull plugs out of the coating.
St. Monfort's roof system before repairs
Photo courtesy of Jim Giese Commercial Roofing Inc., Dubuque, Iowa
Joists installed on the sacristy roof
Deck and work bench completed on the sacristy roof
Workers install the roof membrane in a valley
Valley Microllams rest on the existing outer wall at the scupper opening.