Knauf Ecobatt R-21 Unfaced Fiberglass Insulation Batts 5.5 x 16 x 96 (Master Pack of 4)

If you require delivery to ID, MT, OR or WA, please select that delivery zone as pricing and delivery to those states may vary.

Knauf Insulation delivers sustainable products that offer exceptional R-value, year-round comfort and reduces sound transmission. Fiberglass insulation is the most cost effective way to increase thermal performance. Save up to 15% on heating and cooling costs.

• Save Money! Adding insulation/having the proper amount will reduce your heating and cooling monthly bills.
• Year Round Comfort! Insulation will keep your home warmer in the winter and cooler in the summer.
• Increased Home Value! A proper insulated and efficient home is worth more and is more attractive to a future buyer.
• Sound/Noise Control! Insulation will help deaden sound transfer from room to room or floor to floor.

The easiest way to get more energy savings is to install more insulation. Most people only think of insulation when it’s cold out, and for obvious reasons. However, insulation keeps the house cooler in the summer as well as saving money on the air conditioning bill!