Sellers Roofing Resources
November 4, 2026
GAF Timberline HDZ and CertainTeed Landmark are both suitable architectural shingles for Minnesota homes. HDZ offers a conditional 15-year wind warranty without a maximum…
Read article: GAF HDZ vs CertainTeed Landmark: Which Fits Minnesota?November 2, 2026
Yes. Freeze-thaw cycles can crack concrete roof tiles in Minnesota when absorbed water freezes inside pores or existing fractures, creating pressure that damages the…
Read article: Can Freeze-Thaw Cycles Crack Concrete Roof Tiles in Minnesota?November 1, 2026
Yes. Ice-dam water can back up beneath asphalt shingles and reach roof decking through exposed, misplaced, or poorly sealed nail penetrations. An exposed nail…
Read article: Can Ice Dams Leak Through Exposed Shingle Nail Lines?October 28, 2026
Yes. Uneven snow melt can reveal missing attic insulation, ceiling air leaks, or blocked ventilation under a Minnesota roof. Repeated bare patches during below-freezing…
Read article: Can Uneven Snow Melt Reveal Minnesota Roof Insulation Gaps?October 27, 2026
Gutter guards don’t cause ice dams by themselves, but some designs can worsen ice buildup on Minnesota shingle roofs during winter weather. Ice dams…
Read article: Do Gutter Guards Increase Ice-Dam Risk on Shingle Roofs?October 26, 2026
Yes. Ice-dam water can get behind rake flashing when backed-up meltwater reaches open shingle laps, fastener holes, or a poorly integrated roof-edge detail. Rake…
Read article: Can Ice Dam Water Get Behind Rake Flashing in Minnesota?October 25, 2026
Any roof with a low pitch below 2:12 is too low for asphalt shingles in Minnesota. Slopes from that minimum to below 4:12 need…
Read article: What Roof Slope Is Too Low for Asphalt Shingles in Minnesota?October 24, 2026
A search for “roof leak heavy rain” usually points to wind pushing water beneath loose shingles or intense runoff reaching faulty flashing, pipe boots,…
Read article: Why Does a Minnesota Roof Leak Only in Short, Heavy Rain?October 23, 2026
If rain starts during roof tear off work in Minnesota, the crew should stop removing roofing and protect exposed decking with secured temporary coverings,…
Read article: What If Rain Starts During a Minnesota Roof Tear-Off?October 22, 2026
A recurring roof leak usually means the original repair missed the entry point, concealed damage remained, or another opening feeds the same water path.…
Read article: Why Does a Roof Leak Return After Repair in St. Paul?October 21, 2026
Yes. Freeze-thaw cycles can widen gaps where the dormer roof meets the wall if meltwater enters weak flashing joints. Ice dams can also hold…
Read article: Can Freeze-Thaw Cycles Cause Dormer Sidewall Leaks?October 20, 2026
Yes. Ice dams around dormers form when snow melts over warm decking and refreezes at colder eaves, valleys, or roof-to-wall intersections. Dormers concentrate runoff…
Read article: Can Ice Dams Form Around Dormers on St. Paul Homes?
