Roof Foam Board

Polyisocyanurate is another option coming in as the densest and more expensive option for foam board.

Roof foam board.

Compare click to add item insofast ux 2 0 r 8 5 eps foam board insulation panels. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels. Rigid roof insulation board.

They keep your home at a comfortable temperature without the need to crank your heat. Foam board insulation is easy to use and is a great diy way to add some insulation. Ft to the compare list. Click to add item johns manville fiberglass face polyiso roof decking insulation 4 x 8 to the compare list.

Some types of thicker foam board insulation are available but they may need to be special ordered. Rigid foam board is just above the roof deck or an exterior insulation option. Isogard hd cover board provides the highest thermal performance of any 1 2 insulation cover board product on the market and it is resistant to extreme weather conditions. It s light weight provides ease of handling.

As my article states you need a minimum of about 1 5 inch of eps 1 inch of xps or 1 inch of polyiso. Foam roofing advantages of dura foam. An excellent fire barrier densdeck roof boards feature a noncombustible core and inorganic surface that offer greater fire protection than other conventional commercial roofing products when applied over combustible roof decks and steel decks. Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more.

It typically has 3 variations. Install it anywhere from the roof to the foundation. Click to add item insofast ux 2 0 r 8 5 eps foam board insulation panels 40 sq. If you want to install rigid foam above your roof sheathing in climate zone 3 then 1 2 inch of rigid foam board is not ideal this rigid foam layer needs a minimum r value of r 5 and that s impossible with 1 2 inch of foam.

These roofs are lightweight durable and seamless. Benefits of densdeck roof board include. Rigid foam insulation also known as insulating boards provide high r values. Types of insulating boards.

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. You can even place it under the foundation slab. The later is used in new construction as the interior board serves as an inner wall. Shop at lowe s to find the foam sheeting you need for your next insulation project.