• The Knauf Insulation Acoustic batt range has been appraised by BRANZ as a thermal insulation material for framed or part-framed walls, ceilings and roofs of domestic and commercial buildings
• The insulation is pre-cut to suit a wide range of thermal insulation requirements and framing set-outs
• Comes in a range of R-values — see Product Data Sheet

• Knauf insulation Acoustic batt must be stored under cover and in dry conditions
  Heavy objects must not be stacked on the packs. The packs must be stored in an orientation that avoids excessive compression of the product

See BRANZ Appraisal 648 for full information.

AS/NZS 4859.1: 2018 Materials used in the Thermal Insulation of Buildings.

In the opinion of BRANZ, Earthwool® glasswool Insulation if designed, used, installed and maintained in accordance with the statements and conditions of this Appraisal, will meet or contribute to meeting the following provisions of the NZBC:

• Clause B2 DURABILITY: Performance B2.3.1 (a) not less than 50 years and B2.3.1 (b) 15 years
  Earthwool glasswool insulation will meet these requirements. See Paragraph 8.1
• Clause E3 INTERNAL MOISTURE: Performance E3.3.1
  Earthwool glasswool insulation will contribute to meeting this requirement. See Paragraphs 13.1 and 13.2
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1
  Earthwool glasswool insulation meets this requirement and will not present a health hazard to people
• Clause H1 ENERGY EFFICIENCY: Performance H1.3.1 (a) and H1.3.2
  Earthwool glasswool insulation will contribute to meeting this requirement. See Paragraphs 14.1 and 14.2

See BRANZ Appraisal 648 for full information.

• 50 year warranty

Earthwool® glasswool is made using up to 80% recycled glass and with ECOSE Technology, a sustainable, bio-based binder that contains no added formaldehyde.

• Declare Red List Free
• GreenTag Certified