Installing Shingles On Special Shaped Roofs

Published Feb 15, 20
5 min read

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When the shingles are being applied, lay them over the valley flashing, trim 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.

Set up metal flashings where shingles satisfy walls or chimneys, too. Ice and water protector membranes work well to flash and help safeguard around skylights, dormers, turbines and other tricky roofing system areas. Apply flashing products in show with the shingle installation procedure, with both the flashing and the shingles set up to work together to safeguard around the joint areas - asphalt roof shingles.

When applying the brand-new shingles, each shingle course will be covered by an action flashing. Metal Action Flashing Pieces There are two simple rules to follow: Each flashing need to overlap the one below by a minimum of 75 mm (3 ), but not be visible listed below the shingle leading lap. Insert each action flashing in a 75 mm (3) wide application of asphaltic plastic cement, and nail in place.

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The metal step flashing pieces are rectangular fit and style, approximately 250 mm (10) long and a minimum of 50 mm (2) wider than the face of the shingle being utilized. For circumstances, when using metal flashing with shingles with a normal 143 mm (5 5/8) direct exposure (such as conventional 3-tab shingles), the size of the flashing will be 250 mm x 200 mm (10 x 8).

Keep in mind: Other action flashing sizes are likewise appropriate. For IKO's Cambridge shingle, with its larger 5 7/8 exposure, a 10 x 8 flashing piece is still suitable, since the 8 dimension is still at least 2 larger than the shingle's exposure measurement. However, when flashing Crowne Slate, with its much larger 10 exposure, the flashing piece would require to be 10 x 12.

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Place it so the tab of the end shingle covers it totally. Secure the horizontal flange to the roofing system deck utilizing two nails. Do not attach the flashing piece to the vertical wall. This will enable the flashing piece to move separately of any differential growth and contraction that might take place 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 completely. Secure the horizontal flange to the roofing system. The second and succeeding courses will follow with the end shingles flashed as in preceding courses. As soon as whatever that goes beneath the shingles has actually been properly prepared and set up, it's lastly time to discover how to shingle a roofing.

First before you lay the field shingles (" field" describing the large stretch of roofing system within the borders of eaves, ridge and rakes) it is essential to install a preparatory course of starter shingles which are specifically made for that function. But, even if you style your own on-site by cutting standard shingles to size, both serve vital functions at the roofing's eave.

Expert specialists often advise and utilize starter strips along rake edges in order to yield a straight edge from which all the field courses can begin. Moreover, these starter strips enhance the roofing system's wind-resistance at the rake. It's crucial to follow the maker's directions for the specific roof shingle due to the fact that not all shingles have the very same exposure (the part of the shingle that shows up when set up), balanced out (the lateral range between joints in successive courses often called 'stagger' or 'edge-to-edge spacing') and/or nail placement.

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You need to put nails in the correct area and drive them flush with, but not cutting into, the shingle. Nailing the shingles correctly is important to the roofing system's wind-resistance. Correct nail placement is likewise a requirement for the shingles' limited service warranty coverage. If you've selected closed valleys, they are finished as shingle courses technique and run through the valley. asphalt roof shingles.

As shingles are set up on the adjacent roofing system area, completion of each course of shingles is cut (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 surface line is the hip and ridge capping. house shingles.

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Instead, individual ridge cap shingles are used to straddle the ridge and shed thin down either slope. There are different ridge cap shingles available on the market but, once again, the procedure for installing them is based upon the very same essential concept of overlapping. For hips, begin at the bottom and work upslope.



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