Blown In Blanket Insulation Vs Batts

No matter the climate in which your home is located insulation makes it a better living space.

Blown in blanket insulation vs batts.

Batt insulation is precut in rectangular pieces. One variation of fiberglass loose fill insulation is the blow in blanket system bibs. Batts offer a slight advantage. The higher the number the better.

Blown in varieties however typically reach a peak of around a 2 8 r factor. It is sold in bags and made of materials that are of varying degrees of recycled. Current energy standards recommend the installation of a first layer of craft faced moisture barrier fiberglass batt. The maximum rating of batt insulation is around 4 2.

The first difference in blown in vs. Rolls come in you guessed it rolls you have to cut the material to size. Bibs meanwhile can be as high as r 49. For instance in 11 25 feet of space batts can achieve an r value of 40.

Blanket insulation comes in batts or rolls and is the most common type of insulation used in the united states. You can usually obtain an r factor of 3 1 to 4 2 or slightly higher per inch of material with batts. Batt insulation is that it is a form of loose fill insulation as opposed to a flexible blanket. Bibs is blown in dry and tests have shown that walls insulated with a bibs system are significantly better filled than those insulated using other forms of fiberglass insulation such as batts.

We use both blown in and batt insulation depending on the situation at hand. The thermal performance or resistance to heat flow r factor is not the same when comparing fiberglass batts to blown in fiberglass. Disadvantages of batt insulation. R value is the measurement of the material s or the insulation s ability to retain heat.

When insulating an attic space many homeowners ask us which is better blown in or batt insulation. The answer is it depends. Reduces air infiltration more than traditional batt type insulation increasing comfort. This comparison table reveals bibs can give you higher r values than batts.