Batts you must also examine the r values.
Attic insulation batts vs blown.
When insulating an attic space many homeowners ask us which is better blown in or batt insulation.
You d need a thickness of.
Current energy standards recommend the installation of a first layer of craft faced moisture barrier fiberglass batt.
Often times a combination of the two is ideal.
Blown in varieties however typically reach a peak of around a 2 8 r factor.
Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.
Compared to blown in insulation batts can reach a resistance rating r factor of over 3 1.
Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.
In short there is less chance of error with blown insulation as compared to batts.
That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.
Fiberglass insulation is available in blown in form and so is cellulose which is referred to as loose fill cellulose.
Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.
Disadvantages of batt insulation.
Batt insulation is available at home centers and lumberyards.
Before choosing blown vs.
You also don t see any gaps that allow you to see all the way down to the ceiling drywall.
I don t know about that but it s a common insulation material that works much better in the blown form than in batts.
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.
The maximum rating of batt insulation is around 4 2.
Notice how you don t see any of the ceiling framing down at the ceiling level.
Blown in insulation requires a professional.
Blown in insulation is much easier on installers.
Batt insulation take time to read this column.
That makes it fast to install but costlier than batt insulation.
Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.
The photo above shows an attic insulated with blown cellulose.
We use both blown in and batt insulation depending on the situation at hand.
When comparing blown in insulation vs.
The answer is it depends.
Both blown in and batt roll insulation can be installed in different areas of a home including the attic and the walls.
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.
The biggest disadvantage of batt insulation is that it does not fit well in non standard spaces.
