Low Slope Roof In Winter

1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.

Low slope roof in winter.

The membrane will outlast the shingles and seal around all nail penetrations. It s constructed of a durable reinforcing mat of non woven glass fibers that have been coated and permeated to a thickness of approximately 2 0 mm. Learn what the minimum slope for an asphalt shingle roof is the difference between sloped and flat roofs and how to calculate the slope of any roof. For a low slope residential roof there are two main options.

So how can you avoid these problems. Metal roofing systems have a good track record of performance in harsh winter environments as long as they are properly designed. A minimum slope of 1 inch per foot is recommended in snow country. 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.

Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs. The most common flat and low slope roof leaks occur at flashings and roof penetrations such as at plumbing vents chimneys and roof mounted air conditioners or heat pumps. Very common also are leaks at parapet wall flashing and parapet wall caps. Then apply standard asphalt shingles over the membrane.

Furthermore low slope roofs are also prone to ice dams during winter as the stagnant water on the roof can easily freeze then thaw only to freeze again which of course could cause numerous problems for you.