The maximum thermal performance or r value of insulation is very dependent on proper installation.
Different types of insulation for attic.
Do it yourself insulation of unfinished walls floors and ceilings.
Polystyrene and polyurethane are the most common types of materials used in making foam board.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
It s sold in large compressed bundles of varying widths and thicknesses because the space between the framing and the depth of the framing are always different.
Suited for standard stud and joist spacing.
Blankets of insulation fiberglass and rockwool r 3 per inch.
Blanket batts and rolls.
This type of insulation.
This type of insulation is mainly made from recycled paper mainly newspapers and sometimes cardboards and other kinds of papers and comes in loose fills.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Rigid panels of insulation.
While the above represent the most common types of attic insulation there are other effective alternative methods worth mentioning such as.
Types of insulation installing insulation.
Foam board or rigid foam panels.
Loose fill insulation fibers are packaged in bags and blown in place to the desired depth and density using special.
Rigid foam panels these are panels specifically designed to slow the transfer of heat between studs in your attic s joists.
Choose your insulation type and material 1.
Because blown in insulation which is fiberglass generally can go on top of the existing insulation the negative thing about blown in insulation is that it makes the attic absolutely impassable when you re done and you need a lot more thickness of it because it has more air inside of it than you would if you used fiberglass bats.
Can be used to insulate almost any part of your home from the roof down to the foundation.
This is the most common type of insulation available in the large home improvement stores.
It s available in fiberglass mineral wool plastic fibers and natural fibers.
Sheathing reduces heat conduction through structural elements like wood and steel.
Batt and roll insulation.
Blanket insulation is available as batts or rolls and is the easiest diy insulation material.