R36 Roof Insulation
Layer more insulation over the old for more effectiveness.
R36 roof insulation. The same insulation will hold more heat the thicker it is installed. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Johns manville kraft faced formaldehyde free fiber glass insulation is paper faced to help control moisture in concealed applications such as exterior. R30 r19 r11 r36 r25 r11 r41 r30 r11 thermal block.
R value is a measure of insulation s ability to resist heat traveling through it. Improved insulation is a good step toward improving building efficiency particularly since the atlanta based american society of heating refrigerating and air conditioning engineers ashrae increased minimum roof insulation levels in 2007 in its standard 90 1 the first increase in 18 years and if that isn t enough to spur someone into action. So you need to know an insulation product s thickness as well as its r value in order to compare it to another product. Simple saver system double layer roof type.
The r 30 insulation exceeds all building codes related to insulation and is typically more than 4 times the level of insulation of a traditional log home. Standing seam with thermal block. The type of insulation you need depends on which type is currently installed and the required r value. A recent mckinsey co.
Cold areas require a higher r value like an r 49. Eight inches of poor quality insulation may have a higher and better r value than one inch of top quality insulation. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. R 30 insulation is standard in every timber block home.
The most common insulation materials are fiberglass cellulose and foam. R values like r 38 are used by the construction industry to describe the thermal resistance of insulation materials like those used to insulate your attic when you are looking at an r 38 insulation you are actually reading a description of its resistance rather than size or thickness of the material. Keep your space dry with faced insulation. R 30 r36 insulation.
Polyiso is a versatile high performance insulation solution that is suitable for a multitude of applications. The higher the r value the better the thermal performance of the insulation. Increase your r value by layering insulation. No ci continuous insulation or rigid.
The format of house insulation you need depends on where you put it and if you need to control moisture. Insulation level are specified by r value.