Low Pitch Metal Roof Leaking

There are some opinions that standing seam metal roof minimum slope is 12 but it increases the possibility of leaking on the few first days of snow arrival.

Low pitch metal roof leaking.

Of all roof problems leaks are among the most insidious and the least welcome. Sometimes the water shows up at a ceiling spot distant from the leak. Metal roof systems can be installed in either a steep slope or low slope application. A common place for a metal roof to leak is at the very edge of the metal panels.

Roof leaks can result from installing laps against the natural flow of water incorrect flashing and adhesion failure at the seams. If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures. Low slope metal roofs have been a preferred roof covering for commercial institutional and industrial buildings for years because of their ability to protect against the elements to allow water to drain away from the roof surface and to keep building contents and occupants dry and. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.

Metal roofs leak under these circumstances. We counted 90 stalagmites on the surface of the ice rink from drips coming from the leaking roof. When the snow piled up on the roof melting occurred and ice dams resulted in water ponding 3 inches deep. Low slope metal roofs require less material which reduces the overall load on the building s structure.

Can metal roofing be used on a low slope pitch roof. Some roof leaks are tough to locate. Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. In country with heavy snow and tough winter days the metal roof minimum slope is recommended to be 1 12.

Low slope metal roofs provide years of low cost low maintenance performance. Forgetting to consider the slope can be a major source of problems for metal roof systems. Some metal building manufacturers will not warranty a roof with a 1 4 inch slope. What are low slope metal roofs.

It is important to consider the slope of the roof when designing installing and maintaining a metal roof system.