In many cases, it makes sense to remove an old or dilapidated roof and install a metal roof that is better able to withstand the elements. To learn how to add metal trim to the joints where the sections meet, keep reading! This thickness will ensure that the wood is sturdy enough to hold the screws in place and support the metal roofing. 80 screws for each roofing square. Make sure that if you are using electric tools that none of the cords are in the way. This will be the part of the roof with the longest straight line between peak and eave. As a rule of thumb, metal roofing installation can be dangerous. No sales pitch or other fluff. Once you’ve arrived at a total square foot estimate for the roof, the next step is to add on an additional 10 percent to take into account potential waste (i.e. Home/Resources/Videos/ Installation Videos. Corrugated metal roofing is easy to install but you should make sure you have help when fitting it. Your goal here is to minimize the chances for any moisture to get from the roof to the structure of your home, so you will need to add a layer of insulation. Seal the flashing to roof by using special roofing cement. A good metal roof starts with the right materials. Try to remove the old roof on a sunny day. Pre-drilling panels will make it easier to get the screw lines straighter. human error). It will be more expensive – but far safer – to hire an experienced roof contractor for the job. To create this article, 27 people, some anonymous, worked to edit and improve it over time. Also, remember that your overall approach to installing metal roofing panels should be one that is “square to edge”. Measure the length of the roof edge with a tape measure. You would have to measure the roof and drill the screw holes in the locations of the metal purlins. unlocking this staff-researched answer. Before you start to install corrugated metal roofing, you need to figure out how much you need. In addition, if the metal roofing panel is being installed over metal purlins the spacing of the purlins might make it tricky to pre drill the sheeting in advance. Well, here we help you roof your residence without pushing it too far. Step 3 – Install the Metal Edging. 1 ¼ inch roofing nails 7. By signing up you are agreeing to receive emails according to our privacy policy. Take a metal sheet and use ¼-inch metal wood screws to affix the roofing onto the wood slats. You need to continue this process until the entire roof is covered. How to Install Metal Roofing. Before you can begin to update your roof, you will have to get an accurate measurement and order your materials. Re-position the gutters if they are in the wrong place. The flashing is the metal trim placed over the joints in the roof where the metal panels meet. Once you've done that, add your metal roofing panels, beginning at the longest peak to eave point. The eave flashing, or edging, is just the steel metal strips used to cover the entire perimeter of the roof. Keep in mind that the metal panels will not just cover the roof – they will also hang off the edge. Cut the gutters to fit using metal snips. This will allow the silicone to squeeze out towards the edges, making it a more tight seal. In contrast, steel shingles are small panels installed in horizontal rows much like other shingles. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. If you come across any large nails that are sticking out, either remove them and put them in your debris container or hammer them flush so that they aren’t a danger to anyone working. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. In a standing seam roof, long, single panels run vertically all the way from the eave to the ridge. The outer edge must be extended beyond where the gutter is located. To learn more about eave trim and cleat installation, view our other how-to videos. However, there are conditions in which pre-drilling the screws could make sense and save time. Always try to measure from the ground first in order to keep yourself safe. Roofing solutions, certainly deluge the market; however, to handpick the one suitable for your residence may get a bit overwhelming. If you want to install steel over asphalt, your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common (and more expensive) standing seam steel. Steel panels (rectangles or squares) 4. Before you start to install corrugated metal roofing, you need to figure out how much you need. Thanks to all authors for creating a page that has been read 839,655 times. rain, snow, hail). If you did not install gable trim, it may void any wind-resistance warranty. 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