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Is Galvanized Roofing Sheet Good for Roofing?
As a standing seam roofing material, the galvanized sheet is an ideal roofing material for architects, designers and homeowners, because it resists corrosion and combines durability with flexibility, making it easy to install. Many European and global producers now offer galvanized coils and sheets with tinting, moisture resistance. Installation Tools you need:1. Cutter2. Bender3. Measuring tape4. Crayon marker5. Snips6. Roofing grade polyurehab e sealant7. Hammer8. Screw gun9. #9 Hex 1/4’’ Diameter x 1-1/2’’ Long ScrewsStep 1: Take Measurements and Buy Metal Roofing MaterialsBefore starting a project with your roofing installation, you need to have a rough estimate of the installation area of your roof in order to well control your budgetMultiply length of rake by distance from eave to eave. and double this to get a total square footage.For special features roof like skylights or dormers, measure them separately and add them into your totalExtra 10% quantity for talking waste into your consideration.Step 2: Get onto the RoofBefore yo get onto the roof , don’t forget to make sure your safety. Then use a metallic ladder and also get yourself tied with a durable rope to protect yourself from any risk of falling, should be even more cautious when you are walk on the roof that is slippery and has a steep. In the case you are not able to do it with your safety guaranteed, you’d better to ask a professional personnel to complete this task. As it’s really a risky task, will be deadly once falling off roof.Step 3: Remove the Old RoofNow you are already on the roof, so what you need to do is to remove the old roof, underlayment, and vents.Check if there will be any sign of damage below the roof, that may eventually lead to the leakage.Remove with hammer the remaining pieces that are sticking out after removal.Confirm with your local government about the issue of shingle disposal.Step4: Install UnderlaymentThe underlayment is a layer used for protecting roof deck from moistrure, before starting the installation of underlayment, please ensure roof surface is smooth, clean and dry. Then consult consult the products details to find out which kind of underlayment you need, after hat, just follow instructions of underlayment you had bought, usually the instruction includes some important information, such as overlap requirement between rolls, which allows materials to expand and contract when temperature changes.Step5: Install Drip Edges and FlashingDrip edge also called as eave trim, is an essential part to divert wtaer away from your house and into the gutters. It’s normally attached to the roof edges with nails to cover the wood sheathing.Use a hand seamer to bend end of drip edge to wrap it around corner.Leave a 3-inch overlap for each new piece of drip edge and apply sealant tape at seams.Fasten the trim every 12 to 16 inches with roofing nails.Then install drip edge flashing for eaves with gutter.Step 6: Install Corrugated Metal Roofing SheetsNow it comes with the installation of roofing sheets over drip edges. Just make sure every thing is ready for this important step.Check first with your roofing supplier for detailed metal screw nail size and also placement recommendations.Start to overlap roofing sheets one by one at one eave first as your way up , mean while apply caulk or roofing sealant tape at each junction to seal roof well.After that, with metal roofing screw nail to fasten sheets according to manufacturer instruction.Cut roofing sheet to size as required using a circular saw with a compatible blade.Step7: Install Closure Strips and Ridge CapsStarting from bottom with closure strips installation, and step by step go your way up, place first your closure strips along the entire length of roof, but not so close that any of strps hags over the roof edge. Then seal the strips with a line of tape sealant. Apply the sealant tape to upper side of strips so that will not be trapped underneath, check carefully there are not any gap between strips and roof. Once done with the closure strips. Then install ridge cap on top of them and press it onto the exposed tape to seal, fasten it with screws according to manufacturer’s instructions. When it comes to buying galvanized roofing sheets in bulk, whether it’s corrugated roof sheets, box profile roofing sheets or tile form roof cladding sheets, Bestsuppliers will find the best suppliers for you. Simply select your roof type and let us know which type of roofing sheet you need. If you have any questions about it, contact our expert team for more information.
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