Metal Roof Over Plywood

I have removed all the old shingles from the roof boards not plywood the roof is in great shape and have installed an ice shield over the roof.

Metal roof over plywood.

An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. I was planning on putting plywood over the rafters and cross the rafters with a 2 x4 every 16 to secure the metal roof to. Can i install the metal roof over the ice shield or do i need the 1 x 4 battens every 2 feet as well it s a low slope roof thus the ice shield for extra protection. Work at a comfortable.

The plywood should be clean and free of raised nail heads to provide a uniform deck structure for the metal. If there is any damage to the sheathing the wood under the shingles insulation. If an open grid framed roof or widely spaced old solid roofing planks as the sheathing it is important to tightly stretch this so it does not sag down and hold water between the framing roof sheathing boards and the metal roofing obviously far better to put down a solid sheet sheathing first when doing a reroof in that sort of situation. Install waterproof felt over the plywood to add protection against moisture.

Modern metal roofs are expected to last 30 years or longer. Energy efficient and available in a variety of colors that will add value to your home metal roofing is a wise choice for homeowners. The bare bones of the roof frame or plywood sheathing will be exposed. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.

Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. To secure it measure it roll it out over the plywood cut it to the dimensions of the roof with a roofing or utility knife and finally hammer it securely to the plywood with 1 2 inch roofing nails. On top of this underlayment goes a slip which protects the material from tearing as the metal roof expands and contracts with changing weather.

Let s take a look at the most common types of metal roofs for houses. In reading online it seems wise to install a vapor barrier over the plywood to prevent condensation from getting adsorbed into the plywood from the steel roof. While metal roofing doesn t require plywood underlayment there are circumstances in which you may wish to install plywood to anticipate future roofing needs or to offer additional soundproofing. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.