Metal Roof Foam Board Insulation

Foil insulation is a radiant barrier and it works by.

Metal roof foam board insulation.

Foam board insulation is easy to cut with a circular saw with a masonry blade or scored with a utility knife and snapped like you would drywall. The roof deck can be plywood metal concrete or wood planks. Install rigid foam insulation over the entire surface of the roof. Rigid foam insulation installation prepare roof deck the bottom layer of a single ply membrane roofing system is the roof deck or substrate.

The best material for use with metal roof insulation is in the form of foam batting. According to section r806 4 of the 2009 irc this approach requires that rigid board or sheet insulation shall be installed directly above the structural roof sheathing as specified in table r806 4 for condensation control in the 2015 irc the comparable code requirements can be found in section r806 5. Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. Metal roofing is one of the most durable and long lasting roof materials on the market and can easily last for decades.

Insulating a metal shed roof with rigid foam can be done one of three ways by laying the board prior to applying the roof by removing the existing roof and installing new foam board or by insulating the existing metal roof from the inside. To attach the insulation you can use screws with large washers a special adhesive made for adhering foam board insulation or for smaller pieces you can seal them in with caulk or spray foam. Place the sheets close together but don t let them overlap. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass.

Rigid foam boards come in different material compositions varying thicknesses and different insulating r value properties. This foam can be used on either the outside or the inside of the sheathing. According to the manufacturer s instructions install the metal roofing panels over the insulation. Foam insulation can be used in existing roof structures.

The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants. Our selection of pir loft insulation board features products from renowned manufacturers such as celotex kingspan and recticel. A mix of general purpose insulation sheet and job specific rigid insulation board you re guaranteed to find a product that s a match for your application.