Attic Insulation Blown Or Batts

Since the attic usually does not have any wall on the other side this insulation makes some sense in that regard.

Attic insulation blown or batts.

Current energy standards recommend the installation of a first layer of craft faced moisture barrier fiberglass batt. I don t know about that but it s a common insulation material that works much better in the blown form than in batts. Batt insulation take time to read this column. Although professional contractors like attic guys will aid you in making this decision we also feel that it is important for you to understand these insulation types and what makes them different.

The photo above shows an attic insulated with blown cellulose. Notice how you don t see any of the ceiling framing down at the ceiling level. For the same reason insulation shouldn t touch the roof s underside. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

Batt insulation is available at home centers and lumberyards. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect. Blown in insulation requires a professional.

Blown in spray foam batts and blankets. You also don t see any gaps that allow you to see all the way down to the ceiling drywall. It also offers a little better thermal resistance than its counterpart. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

Batt insulation is easy to install and requires zero specialized tools to get the job done. The main benefit of blown insulation is that it is a much more consistent type of insulation. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no.

Compared to blown in insulation batts can reach a resistance rating r factor of over 3 1. The material which is a combination of fiberglass and cellulose is blown in chunks to fill up space. The most common options are blown in insulation batts and rolls. With this method the insulation is simply blown onto the attic floor and no matter what type of joists studs or wiring that may be in play the blown insulation will naturally form itself tight around any of these creating a layer of strong insulation.

Understanding insulation your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass. The answer is it depends. You d need a thickness of. Blown in varieties however typically reach a peak of.

We use both blown in and batt insulation depending on the situation at hand. Advantages of batt insulation.