High Efficiency Roof Insulation

Lay mineral wool between the joists and then fit rigid insulation boards across the joists with floorboards on top.

High efficiency roof insulation.

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. Learn how a product earns the label. However if you re remodeling an existing home spray foam is probably the best option for maximum energy efficiency. If you re starting from scratch and building a home then using insulated concrete forms which is literally building the insulation into your home s structure is the way to go for maximum efficiency.

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

You could even buy insulation and floor boards that are already bonded together which makes the job much faster and easier. To increase the thickness of your roof insulation layer you can. 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. 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 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.