Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold.
What type of insulation to use in walls.
Whether you want to insulate a floor or an unvented.
Check garage walls and ceilings that are adjacent to conditioned spaces.
Fiberglass insulation is done mainly between joists beams and studs.
Every gap and compressed batt leaves a path for heat or cold to escape.
When it comes to choosing the best internal wall insulation for your home there are two main criteria you need to consider.
While rated differently these two types of insulation are close enough in thickness that they can both fit into modern two by four wall systems.
In most wall applications you will use r 13 or r 15 kraft faced fiberglass insulation rolls for these two by four stud walls.
While closed cell foam has a greater r value and provides stronger resistance against moisture and air leakage the material is also much denser and is more expensive to install.
If the walls and ceiling will remain open not covered with drywall or plywood it s a good idea to use paper faced or encapsulated fiberglass bats that are wrapped in a plastic film.
Add about 1 4 in.
These will give the walls a slightly more finished look and you won t have the itchy fibers of the insulation exposed and ready to catch dust at all times.
For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed.
All these characteristics make it preferable for householders to use this type of insulation for their homes.
The different types of insulation.
To the measurement to ensure a snug fit.
It s easy to insulate your walls with fiberglass insulation at least when they re open but the job still requires attention to detail to get the maximum benefit.
Turn off the electricity then remove an electrical outlet cover for a view of exterior insulation.
This is non flammable and thus it protects your house.
A higher insulation r value usually means a higher price point as well.
R values vary based on the type thickness and density of the insulation material.
Insulation is rated by its r value.
In general how the insulation s method of installation can give you an idea of how it compares to other types of insulation.
R value measures how resistant types of insulation are to heat flow.
Measure and cut the fiberglass batt for an exact fit.
Unfinished walls such as foundation walls and basement walls floors and ceilings.
Foam board or rigid foam panels best for.
Exterior walls and floors.
Also fiberglass insulation does not let your house get damaged from damp.