This means for example that pink batts ultra r4 0 insulation is more effective than pink batts classic r1 8 insulation.
Roof insulation batts ratings.
It is more rigid than other batts but is a pre construction product.
The r value is a measure of the insulation batt s resistance to heat flow also known as thermal resistance.
Roofs and ceilings work in conjunction when it comes to insulation.
Bradford gold ceiling insulation is designed to reduce heat transfer through the roof of your home improving your home s comfort and energy efficiency.
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.
These minimum insulation levels are higher if your roof has an upper surface absorbance value of more than 0 4.
Roxul rockwool batts are 3 5 thick and have an stc rating of 45 and an nrc rating of 1 05.
The higher the r value rating the more effective the insulation is as the batts provide a better level of the resistance to heat in your home.
Pink batts classic is our lower r value range of insulation designed to achieve minimum building code requirements.
Install insulation under the roofing material to reduce radiant heat gain.
The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings.
Rockwool has good mid to upper sound absorption ratings and even the low end is respectable.