
CertainTeed R31 Fibreglass Beige Insulating Wool, 9.5-in x 16-in x 48-ft 42.66 sq.ft.
Article #00495006
Model #645609
Format 16x48x9 1/2"
This item is not currently available for immediate purchase, but can be ordered by visiting the selected store.
Hassle-Free Returns
90 days to return or exchange in original condition and packaging.
Read Return Policy
Warranty
Limited lifetime
Description
The CertainTeed R31 fiberglass insulation is designed for floors, walls and ceilings to keep your feet warm and to limit unwanted noise from the basement. The sustainable insulation is intended for use in residential or commercial construction as thermal and acoustical insulation for floors, walls and ceilings. It significantly reduces energy demand and home energy cost. This product is designed for standard wood stud and steel frame assemblies and contains an organic, plant-based binder with no formaldehyde, dyes, harsh acrylics or any unnecessary fire retardant chemicals. It provides privacy, peace and comfort in one application while producing low dust, superior rigidity and recovery.
- Fiberglass batts used in attic and ceilings applications
- Easiest project for increased energy savings
- Standard insulation for ceilings or attic floors
- Greenguard Gold certified
- No formaldehyde, acrylics, dyes or fire-retardant chemicals
- Third Party certified recycled content by product by plant
- Does not absorb moisture

Ecological Attributes
This product is GREENGUARD® certified.
Product specifications
Coverage Area(m2)
3.964043
Bag Dimensions (L x W x D)
48x16x9.5
Coverage Area(ft2)
42.67
ENERGY STAR Certified
No
Faced/Unfaced
Unfaced
Fits 2 x 4 Walls
No
Fits 2 x 6 Walls
No
For Use in Attics
Yes
For Use in Doors
No
For Use in Basements
No
For Use in Ceilings
Yes
For Use in Crawlspaces
No
For Use in Duct
No
For Use in Electrical
No
For Use in Floors
No
For Use in Garage Doors
No
For Use in Masonry
No
For Use in Plumbing
No
For Use in Vents
No
For Use in Walls
No
For Use in Windows
No
Formaldehyde Free
Yes
Length(in)
50
Framing Type
N/A
Insulation Type
Fiberglass
Length(cm)
127.0
Length(mm)
1270.0
Maximum R-Value
31
Package Count
8
Package Type
Multi-pack
Package Weight(kg)
10.4328
Package Weight(lbs.)
23
Pallet Quantity
N/A
R-Value per Inch
31
Series Name
N/A
Sound Barrier
No
Thickness(cm)
127.0
Thickness(in)
50
Thickness(mm)
1270.0
Total Package Quantity
1
Vapor Retardant
No
Warranty
Limited lifetime
Width(cm)
111.76
Width(in)
44
Width(mm)
1117.6
Multi-Pack Quantity
N/A
Stud Spacing(cm)
40.64
Stud Spacing(in)
16
Stud Spacing(mm)
406.4
Coverage Area(ft3)
42.66 sq.ft.