GAF
(North America's largest roofing manufacturer. Creators of "Timberline" architectural shingles.)
CertainTeed
(A leading manufacturer of long-lasting, quality shingles. Manufacturing facility located in Shakopee, MN)
Elk
Manufacturing premium (architectural) shingles since 1955.
United Products
(One of our primary suppliers. United carries the largest selection of shingles in the upper midwest.
A-Line Roofing "Reliability Report"
(Up-to-date information compiled by the Better Business Bureau.)
"A Homeowner's Guide to Buying a New Roof."
(From www.handymanwire.com. A great online resource for home improvement projects.)
"Ice Dams -- Causes and Solutions."
(Useful written information from the MN Energy Center. A PDF file -- Adobe Reader 6.0 required.)
