Comparison Of Wall Insulation Types

Insulation is rated by its r value.

Comparison of wall insulation types.

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. When it comes to choosing the best internal wall insulation for your home there are two main criteria you need to consider. 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.

What parts of your home need to be insulated and what are the r value recommendations for each of those areas. According to the building sciences corporation bsc all insulation types perform equally well when properly installed and air sealed. The different types of insulation. Fiberglass rock wool or slag wool cellulose and spray foam.

R value measures how resistant types of insulation are to heat flow. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. There are four main types of insulation products on the market today used for attics and wall cavities.

This will increase performance by resisting radiant heat convection and conduction heat transfer. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. When you compare insulation types you ll discover the many advantages of usa premium foam insulation. Energy efficiency of insulation products are measured in r value or the resistance to heat flow.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. Understanding different insulation materials. 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. 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.

It consists of flexible fibers most commonly fiberglass. Older homes especially those pre dating the 1950s may employ two by fours that truly are 2 inches by 4 inches. The higher the r value the higher the insulating capability.