Johns Manville R30 Insulation 16 x 48 Unfaced Fiberglass Batt (8 Bags)

JM Unfaced Formaldehyde-free™ fiberglass insulation is prefect for effective thermal and noise control. Our unfaced insulation is available in pre-cut batts to fit standard wall cavities. Increase the overall comfort of your home with fiberglass wall insulation. It’s thermal performance helps to maintain temperatures, reducing energy loss and energy costs while also reducing room-to-room sound transmission.

• Pre-Cut & Easy to Install for standard size wall cavities
• Formaldehyde-free: Greenguard GOLD certified & SCS Certified to be formaldehyde free
• Sound Control: Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies.
• Unfaced - Easier to install as its easier to cut and doesn’t bunch
• Easy Installation - These batts are easy to handle and friction fit in cavities.
• Bags per Master Pack: 4
• Pieces per Bag : 11
• Best For: Attics, Floors
• Thermally Efficient: Effective resistance to heat transfer
• 58.66 Square Feet per Bag
• Fiberglass Insulation Batt 16 in. x 48 in.x 10.25 in thick

Installation Instructions | Data Sheet | Product Selector Guide

Let us’s Discuss R-Value

To begin, identify what R-value is suggested for your home on your location. You can locate this information from the Department of Energy. If you aren’t accustomed to R-value, it’s in essence an insulating product’s resistance to hotness flow, gauged by its thermal resistance or R-value. The greater the R-value, the more effective an insulating product is. Your house’s R-value score will certainly lead you toward the sort of insulation you require.

In general, an attic’s R-value must be anywhere between R-30 and R-49. In especially cold climates, you may increase to R-60. Let’s state the insulation you have actually chosen has an R-value of 3 per inch and you wish to achieve a general value of R-36. You’ll need to get about 12 inches of insulation building material.

The following are one of the most popular alternatives for attic insulation, along with an estimate on pricing.

Covering or Batt Insulation

Blanket or Batt insulation is available as batts or rolls as well as is the simplest Do It Yourself insulation product. As a matter of fact allot of homeowners select this DIY job as you can save over $1 per foot by mounting ot yourself. It’s readily obtainable in fiberglass, mineral wool, plastic fibers, and organic fibers. Fiberglass batts is one of the most low cost of the lot. This kind of insulation is perfect for attic rooms with common spaced beam of lights as well as joists as well as extremely couple of blockages. A lot of batt insulation batts are 16 inches or 24 inches in width. They come in 4 foot pieces.

You can also buy fiberglass attic insulation in unfaced or encountered. The facing works as a vapor obstacle. It can likewise aid radiate warmth either back into your house for cold environments or revoke the house for warmer climates. You wish to mount the facing either in or out relying on your climate.

Batts should be very carefully trimmed to fit snugly around vents to retain their R-value performance. Pricing can differ based on thickness as well as material, yet it’s generally 0.15 to 0.90 cents per square foot. You can anticipate an R-value of 3.1 to 3.8 per inch.

Loose Pack insulation

Loose-fill insulation likewise known as Blow in insulation is fantastic for setting up in attics with really little space and also several obstructions such as vents and also cross-beams. It can be effectively blown over existing insulation and is offered in fiberglass, cellulose, and mineral wool. Cellulose is the most reliable product as well as has an R-value of 2.2 to 3.8 per inch, however if exposed to moisture it can get musty.

This sort of insulation can be bought from Pacific Insulation and spread yourself, or you can rent an easy-to-use device that blows it in position, which will certainly set you back concerning $100 daily. If you employ a pro, it costs about $1 per square foot.

Pacific Insulation offers different brand names of loos fill blow in insulation The cost coincides for all fiberglass blow and all brand names function relatively the exact same.

Spray Foam insulation

This type of insulation is expensive as well as not a do-it-yourself task, however it has among the greatest R-values at 3.5 per inch for open-cell and also 6.5 for closed-cell.

Both varieties are made with polyurethane. The difference is that closed-cell foam cells are filled with a gas that helps the foam broaden to fill up the rooms around it. Open-cell foam cells are loaded with air, which gives the insulation a spongy appearance. Both types of insulation supply an effective air obstacle, however closed-cell insulation can likewise act as a moisture vapor obstacle if that is required.

Open-cell spray-foam insulation is roughly $2 to $2.25 per square foot and closed-cell spray foam has to do with $3.25 to $3.50 per square foot.