Sellers Roofing Resources
November 14, 2026
Yes, steam removal can damage shingles or flashing if the operator uses excessive pressure, forces ice loose, or directs heat beneath roofing laps. Controlled,…
Read article: Can Ice Dam Steam Removal Damage Shingles or Flashing?November 13, 2026
Ice dams form on cathedral ceilings because indoor heat escapes through the enclosed assembly and melts snow above the heated rooms. That meltwater reaches…
Read article: Why Do Ice Dams Form on Cathedral Ceilings Without an Attic?November 11, 2026
Yes. An underground roof drain leader can freeze while the rooftop drain bowl and strainer remain open. Water trapped in a sag, exposed to…
Read article: Can a Buried Roof Leader Freeze With the Roof Drain Open?November 8, 2026
Yes, Minnesota freeze-thaw conditions can contribute to loose roof edge metal fasteners, especially where water has weakened the wood beneath them. However, temperature-driven metal…
Read article: Can Freeze-Thaw Cycles Loosen Roof Edge Metal Fasteners in Minnesota?November 6, 2026
Yes, freezing rain can overload a Minnesota roof before snow accumulates when ice or trapped water exceeds the framing’s capacity. One uniform inch of…
Read article: Can Freezing Rain Overload a Minnesota Roof Before Snow Accumulates?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?
