Fiberglass Batt Insulation – R12, R14, R20, R30 & R40 for 16" & 24" Stud Walls – Fire-Resistant Thermal Batts

Upgrade your home or jobsite with high-performance fiberglass batt insulation designed for superior thermal protection, sound control, and energy savings. Available in multiple R-values and sizes to fit standard 16" and 24" stud walls, these insulation batts are easy to install, lightweight, and naturally fire-resistant.

Perfect for homes, garages, basements, sheds, cabins, workshops, and commercial buildings.

Available Models

R30 Fiberglass Insulation – 43010

• Size: 24" × 48" × 9.25"
  
• Coverage: 55.92 sq ft (7 pcs)

R20 Fiberglass Insulation – 42020

• Size: 15" × 47" × 6"
  
• Coverage: 44.05 sq ft (9 pcs)

R40 Fiberglass Insulation – 44001

• Size: 24" × 48" × 11"
  
• Coverage: 39.94 sq ft (5 pcs)

R14 Fiberglass Insulation – 41400

• Size: 15" × 47" × 3.5"
  
• Coverage: 58.74 sq ft (12 pcs)

R12 Fiberglass Insulation – 41250

• Size: 23" × 47" × 3.5"
  
• Coverage: 150.06 sq ft (20 pcs)

R20 Fiberglass Insulation – 42023

• Size: 23" × 47" × 6"
  
• Coverage: 67.53 sq ft (9 pcs)

Product Features

High Thermal Efficiency
Choose from R12 to R40 to meet insulation requirements for attics, walls, basements, garages, and more.

Fire-Resistant Construction
Fiberglass is naturally non-combustible, improving safety in residential and commercial builds.

Easy to Cut & Install
Flexible batts fit between standard 16" or 24" on-center stud framing.

Noise Reduction
Excellent sound-absorbing properties for quieter rooms and improved acoustic comfort.

Moisture & Mold Resistant
Fiberglass does not absorb water, helping prevent mold and mildew growth.

Indoor Comfort Year-Round
Helps maintain indoor temperature, reduces drafts, and lowers heating/cooling costs.

Ideal For

• New construction
  
• Renovations
  
• Garage & shop walls
  
• Attics & basements
  
• Sheds, cabins & mobile structures
  
• Soundproofing applications