The Mushroom Metal Thing On Roofs

The guy who called them snow guards was correct.

The mushroom metal thing on roofs.

The metal bits are positioned out on the eaves where that part of the snowpack stays frozen and the little teeth help make a wall of snow and hold everything solid. Ice dams are caused by insulation ventilation. It has nothing to do whatsoever with ice dams. They are there to prevent avalanches off the roof onto people plants etc.

It s no surprise that mushroom roofs are most often found on cottages and other rural properties. They are to prevent snow drifts from falling on people. Plus cool metal roofing uses a reflective solar coating designed to minimize heat buildup and reduce air conditioning costs. They are usually found on slate and clay roofs and commercial buildings where there is a lot of foot traffic.

7 things to know before choosing a metal roof if your current roof is the root of your headache and maybe even a long list of costly home repairs consider these metal roofing pros and cons. As heat leaks out through the roof it can melt a layer on the bottom of the snowpack letting it slide. Metal roofs can last 30 to 50 years longer than other roofing materials saving you money in the long term. That airspace acts as a thermal break to stop the conductive flow of heat from the surface of the roof into the attic.