Recycled glass or sand that s melted and spun into fibers.
Best r value insulation for attic.
Different insulation materials have unique strengths and weaknesses and some attics will be more suited for certain material than others.
This adds insulation to the garage door without impeding its functionality.
There are many ways to retrofit a home with fiberglass and.
To choose the best insulation for your home from the many types of insulation on the market you ll need to know where you want or need to install the insulation and what r value you want the installation to achieve.
Before you ever get insulation anywhere near the attic though make sure that you get the air leakage sites sealed up.
Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.
Insulation level are specified by r value.
Types of attic insulation material.
Your home s age if your home is more than 10 year old you likely need more insulation.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
Recommended home insulation r values.
You will need a higher r value of insulation if you live in the northeast than if you live in southern california.
The higher the r value the better the thermal performance of the insulation.
Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value.
R value is a measure of insulation s ability to resist heat traveling through it.
Other considerations may include indoor air quality impacts life cycle costs recycled content embodied energy and ease of installation especially if you plan to do the.
Where you live different climates require different insulation r values.
Though r value is a the higher the better measurement the insulation material with the highest r value isn t necessarily the best choice for your house.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.
In general an attic s r value should be between r 30 and r 49.
The other option is purchasing a pre insulated garage door that may have a higher r value.
Most garage door insulation has an r value of between r 8 and r 12 because it is so thin to fit the space.
In particularly cold climates you might go up to r 60.
The table below shows what levels of insulation are cost effective for different climates and.
