Problems With Low Slope Roofs
However there are also some problems with low slope roofs you have to watch for.
Problems with low slope roofs. An older roof will naturally experience more problems than a new roof but with regular inspections and ongoing repairs you can greatly extend the life and service of your roof. Issues such as blow offs tenting reduced wind uplift resistance and billowing are common occurrences when you have a low slope roof especially if it s not properly installed or if it s not regularly inspected and maintained. A steep slope roof typically a shingle roof depends upon gravity to cause water to flow in one general direction so it can shed the water over the breaks fasteners in the shingles until it flows to the edge. Rather than remove the drip edge i cut the doubled up part off with a hack saw.
Because low slope metal roofs have a higher chance of wind holding water on the roof and holding water up against termination flashings all of the flashing details including the eave rake ridge headwall sidewall and penetration details need to be watertight. Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs. 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. Buildings magazine examined which problems are most common and the conditions that can either cause or be the result of premature failure and reduced service life of low slope roof systems.
The main reason for failure of these traditional low slope roofs is the lack of maintenance. Obvious or unforeseen roof problems are always a pain and undoubtedly a significant expense. Residential low slope roofing can generally be divided up into two broad categories. Finding the right products for your low slope roof.
Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses and smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically. Some of the most common low slope roof problems relate to improper installation or lack of maintenance. A low slope roof is one that has a slope of less than 3 in 12. Because of the shallow height of the undulating ridges of the 5v and corrugated profiles and the use of exposed metal fasteners to screw the metal to the roof deck they are limited to a slope that will shed rain quickly.
And lifting the old shingles it was wet underneath and it looked like it was wet a lot. Attention to sealant placement within flashing designs is indeed a critical installation concern on low slope metal roofs. This is not a self diagnostic guide but rather an informative list of some of the problems most often battled by building owners and facilities professionals.