Blown In Blanket Insulation Vs Batts

One variation of fiberglass loose fill insulation is the blow in blanket system bibs.

Blown in blanket insulation vs batts.

Batt insulation is that it is a form of loose fill insulation as opposed to a flexible blanket. The higher the number the better. This comparison table reveals bibs can give you higher r values than batts. The answer is it depends.

The maximum rating of batt insulation is around 4 2. Current energy standards recommend the installation of a first layer of craft faced moisture barrier fiberglass batt. You can usually obtain an r factor of 3 1 to 4 2 or slightly higher per inch of material with batts. Reduces air infiltration more than traditional batt type insulation increasing comfort.

The r factor of blown in fiberglass is usually 2 3 to 2 8 per inch of material. For instance in 11 25 feet of space batts can achieve an r value of 40. No matter the climate in which your home is located insulation makes it a better living space. 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.

Rolls come in you guessed it rolls you have to cut the material to size. R value is the measurement of the material s or the insulation s ability to retain heat. Blown in varieties however typically reach a peak of around a 2 8 r factor. Batt insulation is precut in rectangular pieces.

We use both blown in and batt insulation depending on the situation at hand. Disadvantages of batt insulation. Bibs meanwhile can be as high as r 49. It is sold in bags and made of materials that are of varying degrees of recycled.

Blanket insulation comes in batts or rolls and is the most common type of insulation used in the united states. Compared to blown in insulation batts can reach a resistance rating r factor of over 3 1. When insulating an attic space many homeowners ask us which is better blown in or batt insulation. Batt insulation is easier for homeowners to install but requires more demolition and time compared to blow in insulation.