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Can you put new corregated roofing over asbestos corregated?
You can but it is not recommended. The old roofing sheets will promote corrosion under the new sheets. Far better to remove the old corrugated roofing first.
What are the names of some of the companies in Ottawa that install roofs on commercial buildings?
You'll find over a dozen roofing companies in Ottawa. Some of them include A1 Professional Roofing, Capital City Roofing, G.M. Towns Roofing Services, Rooftek Canada, and Roofmaster Ottawa.
How do I install roofing drip edge properly?
To install roofing drip edge properly, first, ensure the roof deck is clean and dry. Place the drip edge along the eaves, overlapping the edge by 1/4 inch. Nail it in place every 8-10 inches. At the corners, cut and overlap the drip edge. Finally, install the roofing material over the drip edge.
How to install roofing underlayment properly?
To install roofing underlayment properly, start by ensuring the roof deck is clean and dry. Roll out the underlayment horizontally, overlapping each row by at least 6 inches. Secure the underlayment with nails or staples, making sure to follow manufacturer guidelines for spacing. Trim any excess underlayment and seal all seams with roofing cement. Finally, install the shingles over the underlayment according to the manufacturer's instructions.
How do you add roll roofing under shingle roofing?
I am not sure if this question is worded correctly. 1) To add rolled roofing under shingles is not a recommended method of installation. What will work is to install a layer of Ice & Water Protection such as Grace Ice & Water Shield prior to the installation of your shingles. 2) If you meant to ask about installing rolled roofing over your shingles or installing shingles over your rolled roofing this is once again not recommended but is commonly done. You would first make sure the surface is level and remove all loose debris from existing roofing materials and or dirt, leaves, etc.. Just a quick clean up and sweep should be good. Then if the existing roofing materials are leaking I would recommend you either remove them and do this installation properly or at least install a layer of underlayment such as a heavy 30# felt paper or RoofTop Guard II over the existing materials. Then install the new materials following the manufacturers specifications. Once again this is not the recommended procedure and will void all manufacturers warranties.
What metal is used in roofing a house?
Metal roofing for houses can be made from a variety of metals, but the most common metals used for residential roofing include: Steel: Steel is a popular choice due to its durability and affordability. It is often coated with zinc or a zinc-aluminum alloy to prevent corrosion. Aluminum: Aluminum roofing is lightweight, corrosion-resistant, and well-suited for coastal or marine environments. It doesn't rust, making it a low-maintenance option. Copper: Copper is known for its distinctive appearance, which changes over time from a shiny reddish hue to a greenish patina. While it's a premium option, it's exceptionally long-lasting and weathers beautifully. Zinc: Zinc roofing is valued for its longevity and ability to develop a protective patina over time. It's often chosen for its unique aesthetics and sustainability.
What is the general liability class code for roofing?
98677 General Liability Code (Roofing—Commercial or Residential Over Three Stories) Visit us for roofing services: Green Shield Roofing
How to install a ridge cap on a roof?
To install a ridge cap on a roof, first, ensure the roof is clean and dry. Place the ridge cap over the peak of the roof and secure it with roofing nails or screws. Make sure to overlap the ridge cap pieces to prevent water leakage. Finally, seal the edges with roofing caulk for added protection.
How can I install a free-standing roof over my deck?
To install a free-standing roof over your deck, you will need to first determine the size and design of the roof. Next, you will need to acquire the necessary materials such as lumber, roofing materials, and hardware. Then, construct the support structure for the roof, ensuring it is securely anchored to the ground. Finally, install the roofing materials and finish the roof according to your design preferences. It is recommended to consult with a professional or follow detailed instructions to ensure the roof is installed safely and effectively.
How is silicone sealant for roofing different from other roofing materials?
Silicone stays flexible where as standard roofing tar hardens and cracks over time.
Is galvalume a type of coating for sheet steel?
Galvalume is a coating generally comprised of 55% zinc and 45% aluminum. It is used as a coating over steel. It is a common coating on steel metal roofing panels.
What is the best way to fix a leak in aluminum roofing?
After cleaning the area of the roof that is leaking, apply a smooth coat of metal primer over the leaking surface. Then, spread a coat of urethane roof cement over the damaged metal to stop the leak.
