adjustments may be applied for any of the following:
Mileage based on distance to the Redi-Mix plant,
Off-Level building site.
Distance from Rapid City.
Cost of materials at yard.
American Garages now uses a 30-year, double
laminated, fiberglass shingle. Because of the high quality
and thickness of these shingles we will no longer use asphalt
felt underlayment unless requested by the customer.