Batt Insulation

     Batt Insulation

Blanket, or batt insulation is one of the most common and widely available types of attic insulation. Batt insulation comes in the form of insulation batts or rolls. It usually consists of flexible fibers, usually fiberglass. You can also  find insulation batts and rolls made from mineral, wool, plastic and natural fibers, such as  wool or cotton.

Batt insulation  rolls are usually available in widths that are suited to standard spacing of attic wall studs, or floor joists. Continuous  fiberglass batt insulation rolls can be hand-cut or trimmed to fit. Insulation batts are usually available with or without facings. Manufacturers often attach a facing  to the batts insulation rolls, such as kraft paper or vinyl to act as a vapor  and/or air barrier. Batt Insulation with a special flame-resistant facing are also available in a variety of widths for attic or basement walls where the insulation batts will be left exposed. A facing  can also help facilitate fastening during the  installation.  If you’re re-insulating over existing insulation, however, it’s usually recommended to use unfaced insulation batts.

Batt Insulation R-Value

Standard fiberglass batt insulation typically has a thermal resistance (or R-values) between R-2.9 and R-3.8 per every inch of thickness. High-performance fiberglass batts usually have R-values between R-3.7 and R-4.3 per every inch of thickness.

Installing Batt Insulation

The maximum R-value, or thermal performance of  batt insulation greatly depends on proper installation. Therefore, it’s usually best to have a qualified installer to do it. If you decide to have it installed professionally, you should make sure to do the following:

- Obtain written insulation butts price estimates from a few contractors for the particular R-value you need. Don’t be surprised to find out that quoted prices for any given R-value insulation vary quite significantly.

- In addition, ask the contractors about the air-sealing services and prices as well, in case it’s needed.

If you want to install the batt insulation yourself, make sure to carefully follow all the installation instructions and the  safety precautions. The insulation’s manufacturers often offer instructions. You also need to check your local building and fire safety codes.

Batt Insulation can be very effective in  cutting down the energy bills and keep your house warm and cosy, no matter what the weather outside.