Rigid Insulation Roof Deck

All the insulating firms around here insulate standard homes with wood roofs.

Rigid insulation roof deck. You can even place it under the foundation slab. After the roof deck is prepared the rigid foam boards need to be cut to size to fit snugly together on. When installing rigid insulation in an attic to be finished as a living space you must provide a route by which hot air. The bottom layer of a single ply membrane roofing system is the roof deck or substrate.

Install nailbase for cladding. Rigid foam insulation also known as insulating boards provide high r values. When installing a foil faced foam board insulation. Rigid insulation is one of the best tools to reduce your energy costs.

Install roofing underlayment flashing and cladding as per best practices. In addition to installing the foam board on the underside of the roof deck you can attach it to the bottom edges of the. Rigid insulation layers exterior to existing roof sheathing must provide sufficient thermal insulation r value to control condensation risk see climate specific guidance. Install it anywhere from the roof to the foundation.

This construction approach was first used in the 1970s and it has been implemented much more widely since it was first included in the international code council s icc model building code in 2007 irc section 806 4. The 6 inches of rigid insulation added to the top of the existing roof deck needed to be done in a manner that was invisible. Nailbase must be vented in high snow load areas. Rigid foam insulation installation prepare roof deck.

Most unvented attics incorporate spray polyurethane foam spf on the underside of the roof deck and attic walls. Owens corning foamular xps insulation is a closed cell moisture resistant rigid foam board ideal for many roofi ng applications including single ply protected roof membrane assemblies prma tapered vegetative roofs plaza decks architectural metal roofi ng and recover roofi ng. They had to look original. The trim the frieze boards the fascia and the overhangs all had to look like they belonged.

Additionally densdeck has been shown to withstand de lamination deterioration warping and jobsite damage more effectively than other roofing membrane substrates such as paper faced gypsum board fiber board and perlite insulation. The unique construction of densdeck provides excellent flute spanning that stiffens and provides increased foot traffic resistance to the roof deck.