![]() At this time, any valleys on the roof should also be flashed with an ice and water membrane. ![]() To be fully effective, it should extend up the roof to a point at least 24″ inside the vertical extension of the interior side of the wall. This ice and water membrane is typically applied to overhang the eaves by 1/4″-3/4″. Ice dam formation is best prevented by having a proper attic vapor barrier, adequate attic insulation and thorough ventilation however, an ice protection membrane is a wise roofing system component and is likely required by your local building code in cold climates. This thin, self-adhering membrane is the next component and it gets installed over the drip edge. If you live in an area where the climate includes significant cold winter weather, you’d wear boots to protect your feet from ice, slush and puddles, right? Well, your roof and the home under it need the same kind of protection that an ice and water protector is engineered to provide. It literally provides a clean, sharp edge for the start of the roof and protects the lower edge of the roof deck from water damage by preventing water from “defying gravity” and wicking back “up” before it leaves the roof.ĭrip edge is installed under the ice and water at the eaves and on top of the ice and water and underlayment on the rakes. The asphalt roof shingles are the visible part and the first line of defense against inclement weather, but what’s underneath them really counts.The first material installed at the eave is the drip edge. Not only are we working from the bottom of the roof, we’re also starting with the bottom-most layer, in terms of roofing components. Having a clean, flat deck surface will help ensure that the newly shingled roof will likewise appear smooth and flat when finished. In the dictionary, “to shingle” is defined as “to lay out or arrange so as to overlap.” So now let’s look at the sequence of overlapping roof construction components to see how this applies.īefore installing any roofing materials, make sure that the roof deck is smooth, properly fastened to the roof trusses, dry and free of any gaps or holes. If the roof shingles and all accessory roof components are arranged and overlapped with this in mind, the roof should successfully shed water. ![]() Understand the physics of how a sloped shingle roof works.Īsphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt. Further, it’s important to review local applicable building codes and ensure the roof conforms to all requirements.Ģ. IKO recommends that roofing work be done by qualified professionals who know the best way to shingle a roof and have been fully trained in all aspects of roof construction safety. Working at heights on a roof presents fall hazard risks and other safety concerns. Step one in any roofing project is always safety first. Here are the basic steps to shingle a roof.ġ. The next time you read the package instructions or watch a how-to video on YouTube, you’ll have a much better understanding of why roof shingles are installed the way they are. This article is not a substitute for proper live training and IKO recommends that only properly trained professional roofing contractors engage in the shingling of roofs. This article from the experts at IKO Roofing will help you make sense of it all by highlighting the basic steps and outlining the fundamental purpose for each roofing system component. Lots of websites and videos go into great detail on how to shingle a roof. When it’s time to replace your roof, the amount of information available can be overwhelming. Learn the basics of installing an asphalt shingle roof, courtesy of IKO.
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