Types Of Attic Insulation Used In 1960

Fiberglass insulation is calculated based on the number of batts or rolls you need.

Types of attic insulation used in 1960. Cellulose insulation is calculated based on the depth of the blown in insulation. 5he house was built in 1944 and is northern virginia. While this type is often still used older insulation may be discolored or torn and is therefore less effective. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

The term for both types of this fibrous insulation is mineral wool. These fibers became the base of fiberglass insulation which became popular in the 1940s. Contemporary attic insulation materials are safe effective and in the case of cellulose eco friendly but some materials in use in the early to mid 20th century were effective but hazardous. Cost insulation was considered an expensive luxury in the 1950s.

Blown in insulation requires the least amount of work but requires special tools and equipment. Attic hatch or door. Mineral wool was the most common thermal insulation for residential use until the 1960 s when fiberglass insulation become the standard. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

Decide on the type of insulation to use. Your home s r value score will guide you toward the type of insulation you need. The 1950s 1970s. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.

Pull down stair or ladder. It looks to be a white batt type insulation. Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white. I am trying to identify the type of insulation in my attic.

In general an attic s r value should be between r 30 and r 49. Affix rigid foam insulation to the attic side of the hatch or door. If it is white however it may be a newer product. If the insulation is wool like and gray it may be loose fill rockwool.

Another form of insulation that became popular is cellulose. In particularly cold climates you might go up to r 60. Due to the age it disintegrates into dust when i compress it between my fingers. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos.

I suspect the insulation is original. It has a sparkle or shine in the sunlight.