Description

Knauf Insulation and Earthwool® glasswool is a mineral fibre type bulk insulation with DriTherm® technology that complies with AS/NZS 4859.1:2018 and is supplied as batts or rolls with thickness between 50 mm and 275 mm, and nominal density between 8 kg/m3 and 32 kg/m3 with binder content no greater than 8%.

Non-combustible bulk thermal and acoustic insulation for residential and commercial construction within the following scope and NZS 4246:2016:

• Walls when installed in the cavities between framing members.
  
• Floors when installed in the cavities between flooring members.
  
• Roofs when installed over and between roof framing.
  
• Ceilings when installed in the cavities between the ceiling members.

Scope

1. Specification and incorporation of Earthwool® glasswool insulation products into the building design shall be carried out by a designer, architect, engineer, or building professional in accordance with NZS 4214:2006 Methods of Determining the Total Thermal Resistance of Parts of Buildings and NZS 4218:2009 Thermal Insulation – Housing and Small Buildings when incorporating Knauf Insulation products to achieve the required building performance.

2. Specification of Knauf Insulation products shall be in accordance with the following:

 Knauf Insulation Product Datasheets – www.knaufinsulation.co.nz

3. Installation shall be carried out by a competent bulk insulation installer and installed in accordance with NZS 4218:2009 Thermal insulation - Housing and small buildings, or NZS 4246:2016 Energy efficiency – Installing bulk thermal insulation in residential buildings. To meet the stated thermal performance rating of the insulation the relevant installation instructions should be followed, as stated at:

Knauf Insulation installation instructions – www.knaufinsulation.co.nz

4. Installation shall be carried out only after the building is waterproof, and after the materials within the building have dried to a sufficient degree that moisture is not transported into the insulation material.

5. In residential construction, installation shall also be carried out in accordance with NZS 4246:2016 Energy efficiency – Installing bulk thermal insulation in residential buildings

6. Refer to Table 1 for a schedule of Knauf Insulation products covered by this certificate.