Rigid Foam Insulation Roof Deck

The ratio of insulation above the roof deck or air permeable insulation below the roof deck is a matter of climate and interior conditions.

Rigid foam insulation roof deck. Rigid foam insulation installation prepare roof deck. Armstrong world industries inc. Tectum e tectum e n acoustical roof deck description. Do not nail through the foam board insulation into the roof deck which can cause roof leaks.

The movement of air into indirect conditioning of an unvented attic is a slow gradual process that will not be noticeable by occupants and typically will not put any strain on the hvac system. The rigid insulation over roof would have controlled the temperature of the condensing surface the underside of the roof deck so that i would not have had to use the spray foam except at the perimeter to provide the air seal to the tops of the walls. But spray foam insulation used at the underside of the roof deck would need to be covered by a thermal barrier and intumescent coatings are commonly used. The energy argument is argumentative.

Installing rigid foam insulation on top of roof sheathing is a great option for commercial buildings and homes with limited space. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and. There s a reason polyiso rigid foam insulation is used in more than 70 of commercial roof construction as well as in many residential builds. Foamular xps roof insulation for commercial buildings page 5 foamular xps roof insulation for commercial buildings foamular xps insulation is a rigid foam insulation which meets the needs of today s design professionals for a truly sustainable insulation product.

The bottom layer of a single ply membrane roofing system is the roof deck or substrate. Insulation above the roof deck or air vapor impermeable insulation below the roof deck is needed for condensation control in an unvented roof. Polyiso is an easy cost effective sustainable and energy efficient construction material. The roof deck can be plywood metal concrete or wood planks.

Tips when installing rigid insulation in an attic to be finished as a living space you must provide a.