High Efficiency Roof Insulation

Energy star certified roof products can help reduce the amount of air conditioning needed in buildings and can reduce peak cooling demand by 10 15 percent.

High efficiency roof insulation.

To increase the thickness of your roof insulation layer you can. Perhaps the best performing arrangement is adding a four to six inch layer of low gwp rigid insulation to the roof deck. You could even buy insulation and floor boards that are already bonded together which makes the job much faster and easier. However if you re remodeling an existing home spray foam is probably the best option for maximum energy efficiency.

Learn how a product earns the label. The energy star energy efficiency criteria do not include a specification for roof insulation. Green roofs also provide insulation lower the need for heating and cooling and can reduce the urban heat island effect. High performance fiberglass building insulation batts are intended for use in walls and cathedral ceilings where maximum thermal performance is desired and limited space is available.

Roof products key product criteria. Sixteen inch i joists allow space for r 60 and ventilation. Lay mineral wool between the joists and then fit rigid insulation boards across the joists with floorboards on top. It s best to use dense pack insulation for greater r value and to prevent insulation settling in roof pitches of 3 in 12 or greater.

The sheets of insulation are held in place with furring strips that also create a ventilation channel.