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.
Comparison of wall insulation types.
According to the building sciences corporation bsc all insulation types perform equally well when properly installed and air sealed.
Insulation is rated by its r value.
Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.
It consists of flexible fibers most commonly fiberglass.
This will increase performance by resisting radiant heat convection and conduction heat transfer.
The different types of insulation.
The best type of insulation for exterior walls is one that acts as a thermal break acts as a radiant barrier and has an insulated core.
Eps insulation features an average r value of 3 6 per inch.
Fiberglass rock wool or slag wool cellulose and spray foam.
When you compare insulation types you ll discover the many advantages of usa premium foam insulation.
When certain types of plastic facers are applied the composite product can feature an r value of up to 3 8 at one inch.
Older homes especially those pre dating the 1950s may employ two by fours that truly are 2 inches by 4 inches.
Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold.
Energy efficiency of insulation products are measured in r value or the resistance to heat flow.
R values vary based on the type thickness and density of the insulation material.
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.
Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists.
R value measures how resistant types of insulation are to heat flow.
Understanding different insulation materials.
The higher the r value the higher the insulating capability.
When it comes to choosing the best internal wall insulation for your home there are two main criteria you need to consider.
There are four main types of insulation products on the market today used for attics and wall cavities.
Spray foam spray foam insulation is generally used in areas where there are no wall cavities to contain other types of insulation on concrete slabs or unfinished walls.