Foam Board Insulation Metal Roof

Foam insulation can be used in existing roof structures.

Foam board insulation metal roof.

It s light weight provides ease of handling. Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other. Insulating a metal shed roof can keep a shed warmer even without a heat source. The spray can be basically applied on top or bottom of the metal roofing surfaces.

In addition to installing the foam board on the underside of the roof deck you can attach it to the bottom edges of the rafters in the same manner you would hang drywall. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass. 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. You can then install.

Types of insulating boards. This foam can be used on either the outside or the inside of the sheathing. Install it anywhere from the roof to the foundation. 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.

The rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. The best material for use with metal roof insulation is in the form of foam batting. They keep your home at a comfortable temperature without the need to crank your heat. Rigid foam insulation also known as insulating boards provide high r values.

Compared to the fiberglass batts this insulation is much better. Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced. They are used in commercial and residential structures to protect against weather and other exterior elements. You can even place it under the foundation slab.

Metal roofing is one of the most durable and long lasting roof materials on the market and can easily last for decades with little maintenance. Financially speaking this spray is a great option especially when you need to renovate your roof after the application. Rigid roof insulation board.