The Importance Of Putting Down Felt Before Installing Roofing ...

Published Oct 30, 20
5 min read

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When it's time to change your roofing, the amount of details offered can be overwhelming. Lots of websites and videos enter into great detail on how to shingle a roof. This short article from the specialists at IKO Roof will help you understand it all by highlighting the standard actions and describing the essential purpose for each roofing system component.

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The next time you read the plan guidelines or watch a how-to video on YouTube, you'll have a much better understanding of why roof shingles are set up the method they are. Operating at heights on a roofing provides fall risk risks and other safety concerns. IKO suggests that roofing work be done by qualified specialists who know the very best way to shingle a roofing and have been completely trained in all elements of roofing construction security.

Asphalt roof shingles merely rely on the force of gravity to shed water from rain or snow melt. If the roofing shingles and all accessory roofing system elements are arranged and overlapped with this in mind, the roofing needs to successfully shed water. In the dictionary, "to shingle" is defined as "to lay out or set up so regarding overlap." So now let's take a look at the series of overlapping roof building elements to see how this uses.

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Having a tidy, flat deck surface will assist ensure that the freshly shingled roofing will similarly appear smooth and flat when completed. Not only are we working from the bottom of the roof, we're likewise starting with the bottom-most layer, in terms of roof elements - installing shingles. The asphalt roofing system shingles are the visible part and the first line of defense against harsh weather, however what's below them truly counts.

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It actually offers a clean, sharp edge for the start of the roofing and secures the lower edge of the roofing deck from water damage by avoiding water from "levitating" and wicking back "up" prior to it leaves the roof. Leak edge is installed under the ice and water at the eaves and on top of the ice and water and underlayment on the rakes.

This thin, self-adhering membrane is the next component and it gets set up over the drip edge. Ice dam formation is best prevented by having a proper attic vapor barrier, sufficient attic insulation and thorough ventilation; nevertheless, an ice defense membrane is a smart roofing system component and is most likely required by your local building code in cold environments.

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To be fully effective, it ought to extend up the roofing to a point at least 24 inside the vertical extension of the interior side of the wall. At this time, any valleys on the roofing system should also be flashed with an ice and water membrane. Why an ice and water protector? Since these membranes deal with the principle that their rubberized asphalt coating seals around the shanks of the overlying shingle fasteners, including an extra degree of water-shedding protection.

Both offer you peace-of-mind protection beneath the shingles. While the asphalt shingles will be the primary water-shedding roofing system layer, there are numerous benefits to setting up a roofing underlayment. The felt is laid in horizontal courses, overlapping the eave ice and water protector by 4 and the valley membrane flashing by 6.

Keep in mind that drip edge we set up at the bottom of the roof? When increasing the sloped edges of the roofing system (called the "rakes") it goes on top of the underlayment. Although this appears to contradict the overlapping concept, installing the drip edge over the underlayment at the rakes creates a clean roofing edge and supplies the underlayment accessory with increased resistance against wind uplift.

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IKO's RoofGard-Cool Grey Synthetic Roof Underlayment gives your roofing secondary layer of security. asphalt roof shingles. If a roof is going to leak, it will probably occur wherever the shingle layer is penetrated, disrupted or fulfills a wall. These are the special locations that need flashing an included layer of water-shedding material to assist keep the water running downslope.

If your roofing will have open valleys, which IKO advises, now is when the valleys need to be lined with a pre-formed width of corrosion-resistant metal. Closed valleys are completed during shingle installation. For longer roof efficiency, IKO strongly advises open metal valleys. Complete the application of underlayment and valley flashing prior to the roof shingles are applied.

Center a 914 mm (36) width strip of an ice and water protector membrane in the valley. The item is tacked in place momentarily along one edge. Thoroughly peel away the backing, and put it in place, raveling any wrinkles. Start working from the eave, allowing extra pieces to overlap by a minimum of 150 mm (6 ).