Which Way Does Foil Roofing Plywood Go On

Position the first piece of plywood or oriented strand board sheathing on the bottom edge of the rafter tails at one end of the roof.

Which way does foil roofing plywood go on.

The roof of your house covers and protects everything inside of those walls from the rain snow and sleet that come your way. Align the long edge of the sheathing with the ends of the. There are just a few manufacturers that make this unusual type of roof sheathing that has a shiny perforated aluminum foil craft paper laminated to one side of it. If you use bubble foil or rigid foam insulation it also goes on top of the moisture barrier.

Although blocking is required by code for walls floor or roof plywood systems do not require blocking. Radiant barrier roof sheathing is a great product that will reduce your power bill. Coastal produces radiant barrier sheathing solarply panels as defined in us product standard ps2 10 for construction and industrial plywood. Traditional sheathing allows the sun s radiant heat to enter a home through the roof and walls which can cause extreme attic temperatures heat transfers and ultimately higher energy bills.

Dropping the plywood joint below the plate creates a joint across the studs. The foil layer of the osb lowers the delta t because the foil is low emitting and does not emit or absorb heat. In essence retrofitting is a way to install insulation in the roof walls and floors of a building after it has been built. You might wonder why the shiny side facing down wouldn t just reflect heat back into the attic.

I wonder if a hurricane or an earthquake can really tell the difference. So when the sun hits the roof and radiates into the attic or wall the foil layer of the osb sheathing reflects the heat to the roof or exterior wall which keeps the top layer of the insulation just a few degrees warmer than the. For shear wall construction code requires blocking between the studs along every plywood joint. You want to make sure that you are building a quality roof that will last you for decades to come but you need the right kind of plywood for the roof.

You just have to keep the shiny side face down. The foil insulation goes on top of the moisture barrier followed by the roof covering.