Sellers Roofing Resources
November 15, 2026
Frost in the attic, especially on roof sheathing, usually means humid indoor air is leaking into a cold attic and freezing on the roof…
Read article: What Does Frost on Roof Sheathing Mean in Minnesota?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 12, 2026
A commercial roof replacement closeout package should include final inspection reports, dated photographs, as-built roof records, permit approval, separate contractor and manufacturer warranties, maintenance…
Read article: What Should a Commercial Roof Closeout Package Include?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 10, 2026
For a hail-prone Minnesota commercial roof, specify 80-mil TPO over an approved impact-resistant cover board and insulation assembly. A 60-mil membrane remains a reasonable…
Read article: Which TPO Membrane Thickness Fits Minnesota Hail Risk?November 9, 2026
Start a roof truss plate inspection from the ground and interior, then examine accessible attic connections only when conditions are safe. Photograph lifted or…
Read article: How Do You Inspect Roof Truss Plates After a Heavy Minnesota Snow?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 7, 2026
Evacuate the building immediately if heavy snow accompanies new roof sagging, repeated structural cracking or popping, bowed framing, separating walls, or doors that suddenly…
Read article: Which Snow Load Warning Signs Require Immediate Roof Evacuation 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 5, 2026
Yes, a Minnesota commercial roof can support new rooftop HVAC equipment without reinforcement when a structural evaluation demonstrates adequate capacity at the proposed supports.…
Read article: Can a Minnesota Commercial Roof Support New Rooftop HVAC Equipment Without Structural Reinforcement?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?
