Causes & effects of loss of protective mineral granules from roof shingles – Asphalt Roof Shingle Defects: Photos and Text Guide Diagnosis of Asphalt Roof Failures – Causes & effects of loss of protective mineral granules from roof shingles Description of different causes of roof shingle granule loss: normal, defective product, storm damage, foot traffic, etc. Especially right after an asphalt roof has been installed, granules that were loosened on it surface from walking by the installers will wash down and off of the roof surface. Does hail stone impact cause granule loss? First, let’s consider the history and purpose of granule composition shingles. One fact remains constant: all asphalt shingles have granule surfaces and manufacturers recognize granule asphalt shingles will not last forever, thus the wide range of warranties. DEAR TIM: In the past year my asphalt shingle roof seems like it has really started to go bad. I see large areas of my shingles that have no granules. You can see the fiberglass fibers in the mat. There are quite a few things you can do to extend the life of asphalt shingles.
Song bird perched on an ridge cap on a 3-tab asphalt shingle roof. Types of granules tested have included mica, oyster shells, slate, dolomite, fly-ash, silica and clay. They are also thinner, and do not last as long or offer Manufacturer’s Warranties as long as good Architectural Asphalt. Shingles have proven to be a protective and inexpensive roof covering that most people prefer because it’s an easy installation and it lasts a long time. For sloped roofs asphalt composite shingles hold the majority market share for most regions in the United States. Granule Loss The granules or Grit on top of an asphalt shingle has 2 jobs. Not only does it make the roof look ugly, but it traps moisture and can dislodge the granules on the roof.
Granules on roofing shingles protect the asphalt and fiberglass mats from the ultraviolet rays of the sun, provide the aesthetic qualities that give the beauty to roofing products and provide traction for the installers. Home Page Sidebar; 3M(TM) Roofing Granules; 3M(TM) Roofing Granules; Home Page Sidebar. The 3M Industrial Mineral Products Division is the world’s leading supplier of colored and specialty roofing granules for the asphalt shingle industry. Missing shingles, granules filling the gutters, water stains on the ceiling after rainstormsthey all point to roofing problems. Unless you have good detective skills when it comes to roof leaks, you’ll want to enlist a roofing contractor to help track down the cause of the problem.
All asphalt shingles have granule surfaces that will lose adhesion qualities over time. Granule loss does not always indicate damage; it is simply an indicator that weathering has taken place. It is normal for some granules to come loose off a new roof after the first rain storm. It’s due to the way the asphalt shingles are made. Seriously, if you ever have to use a roof patch product to patch a nail hole or whatever on the roof, if you’ve kept a collection of loose granules like this then you can sprinkle those granules on top of the wet patch. When new asphalt shingles are first installed, it is normal for the shingles to lose some granules. However, as the shingle age, granule loss, which exposes the interior of the shingles, is an indicator that the roof is nearing the end of its life. While the typical shingle warranty offered by manufacturers has jumped from 25 to 40 years, little has changed in the way shingles are made and. Phase 1 granule loss exposes the asphalt shingles upper coating layer to UV radiation damage. Wondering if you need to replace your old roof with a new one? The views expressed by this author do not necessarily reflect those of Angie’s List. You should know about what they are and what you can do about them. In fact, your roofer should let you know about them, but no one ever seems to think to bring it up. Asphalt shingles intentionally have extra shingle granules embedded on them and you ll find lots of them shedding during this first year.
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Asphalt shingles are the leading choice for residential roofing in the United States. They are affordable, durable, low maintenance, versatile, and have pr. This would not be possible without mineral roofing granules. Once the granules are properly sized, a proprietary and environmentally friendly semi-ceramic coating is applied to create the rainbow of granule colors that have become one of the defining features for today’s most sought after roofing products. With the addition of Color Guard granules, which contain a patented algicidal formulation, the performance of asphalt shingles is enhanced with protection from algae discoloration that will help maintain the original color of the asphalt shingles. What color do you need? I see large areas of my shingles that have no granules. You can see the fiberglass fibers in the mat. There are quite a few things you can do to extend the life of asphalt shingles.