Low Pitch Metal Roof Leaking

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.

Low pitch metal roof leaking.

Of all roof problems leaks are among the most insidious and the least welcome. 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 slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs. Low slope metal roofs provide years of low cost low maintenance performance.

Sometimes the water shows up at a ceiling spot distant from the leak. 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. When the snow piled up on the roof melting occurred and ice dams resulted in water ponding 3 inches deep. Some roof leaks are tough to locate.

Can metal roofing be used on a low slope pitch roof. Forgetting to consider the slope can be a major source of problems for metal roof systems. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12. A common place for a metal roof to leak is at the very edge of the metal panels.

Low slope metal roofs require less material which reduces the overall load on the building s structure. Metal roofs are low pitch and when water rolls of the edge it will follow t. Metal roofs leak under these circumstances. Metal roof systems can be installed in either a steep slope or low slope application.

Some metal building manufacturers will not warranty a roof with a 1 4 inch slope. Once water enters the building it can damage inventory and contents resulting in a major expense to the owner. Roof leaks can result from installing laps against the natural flow of water incorrect flashing and adhesion failure at the seams. In country with heavy snow and tough winter days the metal roof minimum slope is recommended to be 1 12.

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