R36 Roof Insulation

Eight inches of poor quality insulation may have a higher and better r value than one inch of top quality insulation.

R36 roof insulation.

The same insulation will hold more heat the thicker it is installed. 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. 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. Increase your r value by layering insulation.

The higher the r value the better the thermal performance of the insulation. Keep your space dry with faced insulation. No ci continuous insulation or rigid. Simple saver system single layer double layer note.

So you need to know an insulation product s thickness as well as its r value in order to compare it to another product. R value is a measure of insulation s ability to resist heat traveling through it. Timber block s standard r 30 wall insulation in combination with a tight thermal envelope. Johns manville kraft faced formaldehyde free fiber glass insulation is paper faced to help control moisture in concealed applications such as exterior.

Layer more insulation over the old for more effectiveness. Polyiso is most commonly used as a continuous insulation for roofs and walls and as a protective roof cover board. Polyiso is a versatile high performance insulation solution that is suitable for a multitude of applications. 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.

The most common insulation materials are fiberglass cellulose and foam. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. Insulation level are specified by r value. Cold areas require a higher r value like an r 49.

R 30 r36 insulation. A recent mckinsey co. The table below shows what levels of insulation are cost effective for different climates and locations in the home. The type of insulation you need depends on which type is currently installed and the required r value.

R 30 insulation is standard in every timber block home. The format of house insulation you need depends on where you put it and if you need to control moisture.