Different Types Of Attics

I d blow insulation on the attic floor after air sealing of course.

Different types of attics.

The type of insulation you need depends on which type is currently installed and the required r value. Multiple types of vents can work together to create an equal inflow of cool air and outflow of hot air in your house. Exhaust vents like attic fans ridge vents are primarily placed at the very top of the roof or the highest pitch where hot air gathers. The most common type of attic access style is the attic ladder and hatch system.

Insulation types include loose fill batts rolls foam board spray board and vapor barriers. Low clearance attics with limited headroom for maneuvering during installation. An attic may also be called a sky parlor or a garret because attics fill the space between the ceiling of the top floor of a building and the slanted roof they are known for being awkwardly shaped spaces with exposed rafters and difficult to reach corners. The ceiling hatch is generally the size of a door and is set within a recessed panel.

An attic sometimes referred to as a loft is a space found directly below the pitched roof of a house or other building. The big disadvantage with spray foam is cost. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. Loose fill insulation comes in a variety of materials.

If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. The most common insulation materials are fiberglass cellulose and foam. For example ridge vents and gable vents function as both intake and exhaust vents. For loose fill insulation each manufacturer must determine the r value of its product at settled density and create coverage charts showing the minimum settled thickness minimum weight per square foot and coverage area per.

Attics with irregular or nonstandard joist spacing. Attics where there is existing insulation to be topped since it fills gaps and joints well. Attics with lots of obstructions and penetrations to work around. This type of attic access is featured by a set of pull down wooden and metal stairs that are concealed by a ceiling hatch.

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.