High Efficiency Roof Insulation

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.

High efficiency roof insulation.

Lay mineral wool between the joists and then fit rigid insulation boards across the joists with floorboards on top. Green roofs also provide insulation lower the need for heating and cooling and can reduce the urban heat island effect. 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. This roof type can be much more expensive to implement than other efficient roof options so you should carefully assess your property and consult a professional before deciding to install a green roof.

Learn how a product earns the label. The sheets of insulation are held in place with furring strips that also create a ventilation channel. Roof products key product criteria. The energy star energy efficiency criteria do not include a specification for roof insulation.

Sixteen inch i joists allow space for r 60 and ventilation. You could even buy insulation and floor boards that are already bonded together which makes the job much faster and easier. Perhaps the best performing arrangement is adding a four to six inch layer of low gwp rigid insulation to the roof deck. However if you re remodeling an existing home spray foam is probably the best option for maximum energy efficiency.

Installing high performance fiberglass building insulation is an easy cost effective method to help conserve energy in the residential and commercial new construction remodeling and reinsulation markets.