Insulation Under Roof Deck

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.

Insulation under roof deck.

Three in one composite roof deck panels provide acoustics insulation and a nailable surface that accepts a wide variety of roofing materials. Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the. During cooler night times and in winter periods the deck temperature can then be below the dew point of the interior air. How to attach rigid insulation on the underside of the roof deck.

The greater your home s thermal resistance factor or r value the more energy efficient it is. 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. Walls foundations roof and roof decks air distribution ceilings interior solutions mechanical pipe equipment appliances commercial insulation home page. Moving the air control layer and thermal control layer to the underside of the roof deck has significant advantages in cases where the hvac system is located in the attic.

Explore owens corning commercial roof and roof deck insulation products to help with your next building project. Insulation above the roof deck or air vapor impermeable insulation below the roof deck is needed for condensation control in an unvented roof. The previous four options are all used beneath the roof. The ratio of insulation above the roof deck or air permeable insulation below the roof deck is a matter of climate and interior conditions.

This illustration shows a sloped roof with cavity spray foam insulation sprayed on the underside of the roof deck and covered with sprayed on thermal or ignition barrier coating. With rising heating and cooling. Under deck roof insulation is the fastest accepting methodology among people and architectures to eliminate any gateway to heat transfer between outer space and inner space. 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.

Tectum e tectum e n acoustical roof deck description. Armstrong world industries inc. Rigid foam board is just above the roof deck or an exterior insulation option. It typically has 3 variations.