An attic sometimes referred to as a loft is a space found directly below the pitched roof of a house or other building.
Attic stuffed with construction materials.
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 attic space becomes indirectly conditioned as a result of the air leakage heat transfer and vapor diffusion through the ceiling.
Where attic insulation is placed along the underside of the roof sheathing this has been referred to as cathedralized residential attic construction rose 1995.
You might open up your attic and find bare joists with fiberglass or cellulose insulation between the joists.
Structural insulated panels or sips are best used in new construction.
At a price of 31 cents per cubic foot it s best used in ceilings and walls.
In cold climates the primary purpose of attic or roof ventilation is to maintain a cold roof temperature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic ventilation acts to bypass the vapour barrier created by most roof.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
The space there is usually at a premium.
Attic joists for live loads.
An attic bedroom is usually associated with romance because it s perfect to get some privacy.
You also need to ensure that the joist spacing is adequate.
You can sister the joists by cutting 2 x8 boards the same length as the joists applying construction adhesive and affixing each to a joist with nails.
Attic joists that are made from 2x8s may be acceptable for building your attic floor but because every room is variable there are no absolutes.
Throughout the balance of this digest the terms attic and roof will and can be used interchangeably.
In cathedralized construction there may still be roof plane changes that create knee wall areas such as build over roofs where girder trusses are used but these are.
Joist dimensions are only part of the equation.
This weight however makes it too heavy to use in attic installations and it can settle over time losing as much as 20 of its effectiveness.
Use a chef s knife to cut batts some pros prefer it to utility knives because the large blade easily slices through the thick material.
Intake vents located at the lowest part of the roof under the eaves allow cool.
Turning your attic into a bedroom is a great idea especially for small houses.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
Fortunately this is a fairly easy fix.
