Instructional Video for Using the Home building Roof Shingle Calculator Spreadsheet in Excel by Comprotex.
Posted on April 20th, 2014 in Roof Shingles
Posted on April 19th, 2014 in Fiberglass Roofing
Beginning is corny. . . But the video is very informative. Brief description of the Fiberglass Manufacturing processes: Pultrusion, Gun Roving, Filament Wind…