Roof Insulation Batts Ratings

Finally floor insulation should be a rating of 1 7.

Roof insulation batts ratings.

In new homes we recommend installing a combination of foil faced roofing blanket and roof batts if you live in an existing home then consider installing another layer of roof insulation on top of the existing batts. Your wall cavities aren t as deep as the ceiling so for the walls you want a rating of 1 5 2 7. Pink batts classic is our lower r value range of insulation designed to achieve minimum building code requirements. Generally climates that need to keep the heat in require higher r values.

Fiberglass and mineral wool batt insulation are very common in the united states. When choosing the right ceiling insulation batts look for a rating between 2 5 6 0. Measure the area needing insulation. Measure the depth of your current insulation.

Bradford gold hi performance ceiling batts are made in australia to withstand australian conditions and boast the highest r value ratings of r5 0 to r7 0. Bradford gold ceiling insulation is designed to reduce heat transfer through the roof of your home improving your home s comfort and energy efficiency. R 38 is the industry standard and the minimum thickness for r 38 is 12 inches. We should note that the thickness required for ceiling insulation can vary significantly.

Existing 3 4 inches of insulation. If your current insulation is only five inches deep you will need to add seven inches of insulation to achieve the 12 inch r 38 rating. Because installation is relatively easy and batts are generally the least expensive insulation material many homeowners try to diy this option. This means for example that pink batts ultra r4 0 insulation is more effective than pink batts classic r1 8 insulation.

Those in the freezing alpine areas of australia require insulation with at least an r value of 6. These batts or blankets usually come in pre sized rolls that fit between joists and studs in the attic. The higher the r value the better the insulation is at reducing heat flow. Gold ceiling batts bradford gold ceiling insulation can reduce your energy bills for heating and cooling by up to 45 leading to a decrease in your energy consumption and in your energy bills.

The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings. Roof insulation helps to reduce energy consumption by preventing heat loss during winter and heat gains during summer. The r value is a measure of the insulation batt s resistance to heat flow also known as thermal resistance. Insulation in zones 1 and 2 typically require an r value of 3 or 4 while properties in zones 3 to 7 will require an r value of at least 5.