Installing Asphalt Shingles

Published Oct 20, 20
5 min read

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When the shingles are being applied, lay them over the valley flashing, cut completions to the chalk line and nail the shingles at least 50 mm (2) back from the chalk line. Cut a 50 mm (2) triangle off the leading corner to direct water into the valley and embed the valley end of each shingle into a 75 mm (3) band of asphalt plastic cement.

Install metal flashings where shingles satisfy walls or chimneys, too. Ice and water protector membranes work well to flash and assist safeguard around skylights, dormers, turbines and other tricky roof locations. Apply flashing products in show with the shingle installation treatment, with both the flashing and the shingles arranged to work together to protect around the joint locations - asphalt roof shingles.

When using the brand-new shingles, each shingle course will be covered by an action flashing. Metal Action Flashing Pieces There are two simple guidelines to follow: Each flashing must overlap the one listed below by at least 75 mm (3 ), however not show up listed below the shingle leading lap. Anchor each action flashing in a 75 mm (3) large application of asphaltic plastic cement, and nail in place.

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The metal action flashing pieces are rectangle-shaped in shape and design, roughly 250 mm (10) long and a minimum of 50 mm (2) broader than the face of the shingle being used. For circumstances, when utilizing metal flashing with shingles with a common 143 mm (5 5/8) direct exposure (such as traditional 3-tab shingles), the size of the flashing will be 250 mm x 200 mm (10 x 8).

Note: Other action flashing sizes are also appropriate. For IKO's Cambridge shingle, with its bigger 5 7/8 direct exposure, a 10 x 8 flashing piece is still ideal, considering that the 8 measurement is still at least 2 larger than the shingle's exposure dimension. However, when flashing Crowne Slate, with its much larger 10 direct exposure, the flashing piece would require to be 10 x 12.

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Place it so the tab of completion shingle covers it totally. Secure the horizontal flange to the roofing system deck using two nails. Do not secure the flashing piece to the vertical wall. This will allow the flashing piece to move independently of any differential expansion and contraction that might happen in between the roof deck and the wall.

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Ensure that the tab of the shingle in the 2nd course will cover it entirely. Secure the horizontal flange to the roof. The 2nd and succeeding courses will follow with completion shingles flashed as in preceding courses. Once everything that goes below the shingles has been properly prepared and set up, it's lastly time to learn how to shingle a roofing system.

First prior to you lay the field shingles (" field" describing the large expanse of roofing system within the limits of eaves, ridge and rakes) it is very important to install a preparatory course of starter shingles which are specifically manufactured for that function. But, even if you style your own on-site by cutting standard shingles to size, both serve crucial functions at the roof's eave.

Professional contractors typically recommend and use starter strips along rake edges in order to yield a straight edge from which all the field courses can start. In addition, these starter strips boost the roof system's wind-resistance at the rake. It's critical to follow the manufacturer's instructions for the particular roofing system shingle since not all shingles have the same exposure (the part of the shingle that shows up as soon as set up), offset (the lateral distance between joints in successive courses sometimes called 'stagger' or 'edge-to-edge spacing') and/or nail placement.

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You should place nails in the proper location and drive them flush with, however not cutting into, the shingle. Nailing the shingles correctly is important to the roofing system's wind-resistance. Proper nail placement is also a requirement for the shingles' minimal guarantee protection. If you have actually chosen closed valleys, they are finished as shingle courses method and run through the valley. replacing shingles.

As shingles are installed on the adjoining roof location, completion of each course of shingles is trimmed (cut) 2 back of the valley centerline. You have actually nailed in the last field shingle and you can see the goal from here. Well done! In this case, the finish line is the hip and ridge topping. replacing shingles.

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Instead, individual ridge cap shingles are used to straddle the ridge and shed thin down either slope. There are various ridge cap shingles offered on the marketplace but, when again, the procedure for installing them is based on the very same fundamental concept of overlapping. For hips, begin at the bottom and work upslope.



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