Insulated Attic Preparation: What To Consider When Choosing Insulation

There are four types of insulation: loose fill

, batts and blankets, rigid board and spay form. Each type has its good and bad qualities, used for specific jobs. I will explain each, jobs uses and R factors. So you can make a knowledgeable decision when choosing insulation.

Foam board is made from polystyrene, polyurethane or fiberglass. Its uses are; for edges of buildings, concrete block perimeters, insulated attics and basement walls. It has the highest R factor, R4- R8.

The loose fill is similar to spray foam because it to is blown into the area. There are two types Cellulose, fiberglass and rock wool. Like spray foam it is used in finished walls and insulated attics. Its R factor is 3 or 4 with cellulose having a 30% higher R factor.

The third to consider when choosing insulation is loose fill. It too is sprayed inside finished walls and insulated attics. This gives better coverage, air leakage protection and better inside air quality. There are two types' fiberglass and cellulose. Its R factor is 3-4 per square inch.

When choosing insulation batt and blanket insulation should be considered. This insulation comes in either 8' sheets or rolls. It's made from fiberglass or rock wool. It is cheaper per inch. special precautions are needed when installing. This is generally used in unfinished products like walls and insulated attics.

One thing to consider when choosing insulation is flame resistant's Fiberglass insulation, spray on foam, batt and blanket are flame resist. Cellulose and foam boards are not. In fact foam boards require flame resistant covering like panel or dry wall.

When choosing insulation you can be sure that all 4 types are environmental friendly. Fiberglass and slag wool both are made from recycled material, foam boards biodegrades in moisture. The spray on foam does not contain any harmful chemicals.

The four groups batt and blanket, loose fill, Spray on foam and foam board. Each one insulates, but the loose fill and spray on foam covers the cracks and crevices better. Cellulose is a type of loose foam but it is not flame resistant. Foam board is also not flame resistant and requires covering. All are ecological friendly. Most can be found in insulated attics, walls and ceilings.

by: Edward Nave..

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