Refer to 4161 UNDERLAYS, FOIL AND DPC for wall underlay and roofing underlay.
Refer to 4711JS JET STREAM® MAX blown-In insulation, for areas where installing batt insulation is impractical.

Refer to the general section 1233 REFERENCED DOCUMENTS.  The following documents are specifically referred to in this section:

Documents listed above and cited in the clauses that follow are part of this specification.  However, this specification takes precedence in the event of it being at variance with the cited document.

Manufacturer and supplier documents relating to this part of the work:

• ecoinsulation®: Faced Thermal Underfloor datasheet
• ecoinsulation®: Thermal Underfloor (Wrapped) datasheet
• ecoinsulation®: Thermal and Acoustic Wall datasheet
• ecoinsulation®: Thermal Ceiling Rolls datasheet
• ecoinsulation®: Thermal Ceiling datasheet
• ecoinsulation® glasswool: Installation Instructions datasheet

BRANZ Appraisal 1049 - ecoinsulation® Glasswool
BRANZ Appraisal 1050 - ecoinsulation® Underfloor Insulation
CodeMark Certificate GM-CM30101-revA

Manufacturer/supplier contact details

Provide a material manufacturer/supplier warranty:

• Provide this warranty on the manufacturer/supplier standard form (if not available then use the standard form in the general section 1237WA WARRANTY AGREEMENT)
• Commence the warranty from the date of practical completion of the contract works.

Refer to the general section 1237 WARRANTIES for additional requirements.

Provide an installer/applicator warranty:

• Provide this warranty on the installer/applicator standard form (if not available then use the standard form in the general section 1237WA WARRANTY AGREEMENT).
• Commence the warranty from the date of practical completion of the contract works.

Refer to the general section 1237 WARRANTIES for additional requirements.

Refer to 1270 CONSTRUCTION for requirements relating to qualifications.

Substitutions are not permitted to any of the specified systems, components and associated products listed in this section.

Refer to SELECTIONS for location, type, R-Value, and thickness.

ecoinsulation® glasswool insulation is not deemed combustible, to test criteria under AS/NZS 60695.11.5

ecoinsulation glasswool insulation meets the requirements of the NZBC when used in accordance with the conditions and limitations of its Certificate of Conformity.

Refer to Conditions and Limitations listed in CodeMark Certificate GM-CM30101-revA, but not limited to items 2 and 3:

Item 2 - Specification of ecoinsulation® glasswool insulation products shall be in accordance with following product datasheets:

Item 3- Installation shall be carried out by an ecoinsulation® glasswool accedited installer and installed in accordance with NZS 4218:2009 or NZS 4246:2016, and the relevant ecoinsulation® glasswool installation instructions [as listed in the CodeMark] to meet the stated thermal performance rating of the insulation.

Installation instructions listed in the CodeMark:

to NZBC H1/AS1, AS/NZS 4859.1:2002, NZS 4218, NZS 4243.1 and NZS 4220., made using recycled glass, and with ECOSE® Technology bio-based binder.  The rectangular floor segment is completely wrapped in breathable plastic film to provide a wind wash barrier, for maintaining thermal performance in windy climates.  Refer to SELECTIONS for location, type, R-value, size and thickness.

to NZBC H1/AS1, AS/NZS 4859.1:2002, NZS 4218, NZS 4243.1 and NZS 4220.,  made using recycled glass, and with ECOSE® Technology bio-based binder.  The roll is faced with a wind-wash barrier, to maintain thermal performance in windy climates.  Refer to SELECTIONS for location, type, R-value, size and thickness.

to NZBC H1/AS1, AS/NZS 4859.1:2002, NZS 4218, NZS 4243.1 and NZS 4220., made using recycled glass, and with ECOSE® Technology bio-based binder.  Refer to SELECTIONS for location, type, R-value, size, and thickness.

To NZBC H1/AS1, AS/NZS 4859.1:2002, NZS 4218, NZS 4243.1 and NZS 4220., made using recycled glass, and ECOSE® Technology bio-based binder.  Refer to SELECTIONS for location, type, R-value, size, and thickness.

to NZBC H1/AS1, AS/NZS 4859.1:2002, NZS 4218, NZS 4243.1 and NZS 4220., made using recycled glass, and with ECOSE® Technology bio-based binder.  Refer to SELECTIONS for location, type, R-value, size, and thickness.

to NZBC H1/AS1, AS/NZS 4859.1:2002, NZS 4218, NZS 4243.1 and NZS 4220., made using recycled glass, and with ECOSE® Technology bio-based binder.  Refer to SELECTIONS for location, type, R-value, size, and thickness.

Polypropylene or similar strapping stapled across framing to retain insulation in wall and ceiling applications.

Refer to 4161 UNDERLAYS, FOIL AND DPC for wire netting used to support the insulation.

Refer to 4161 UNDERLAYS, FOIL AND DPC for reflective foil.

Refer to 4161 UNDERLAYS, FOIL AND DPC for vapour barrier.

Refer to 1270 CONSTRUCTION for requirements relating to delivery. Storage and handling of products. Do not use damaged or wet insulation material.

The building envelope must be maintained to a weathertight condition to ensure the insulation remains dry.  Cavities must be clean and dry before fitting insulation.

Check work previously carried out and confirm it is of the required standard for this part of the work.

Lay, install, fit and fix to NZBC H1/AS1: Energy efficiency, 2.0 Building thermal envelope, and to manufacturer requirements.  Install in housing to NZS 4218 and NZS 4246.  Install in large buildings to NZS 4243.1 and NZS 4220.  Do not cover vents.  Allow a clear gap around metal flues as recommended by the fireplace manufacturer.  Refer to manufacturer installation instructions and NZS 4246 for further details.

Non-residential recessed light fittings to AS/NZS 3000, 4.5.2.3.5;

• Existing fittings or retrofit situations, fittings maybe unmarked
• New fittings can only be labelled - CA 80, CA 90, CA 135, IC, IC-F, IC-4, NON-IC or Do-not Cover

Refer to clause INSULATION CLEARANCES GENERALLY for clearances.

Residential recessed light fittings to AS/NZS 3000, 4.5.2.3.5;

• Existing fittings or retrofit situations, fittings maybe unmarked
• New fittings can only be labelled - CA 80, CA 90, CA 135, IC, IC-F & IC-4

Refer to clause INSULATION CLEARANCES GENERALLY for clearances.

Insulation may need to have a gap to some mechanical and electrical services and equipment, including ducts and chimneys.  The gaps should be to the NZS 4246 based tables below or to the equipment manufacturer requirements if they require larger gaps.  Smaller gaps to manufacturer requirements can be used for equipment specifically manufactured with heat shielding or similar (excludes light fittings).  Installed gap not to be more than 50mm bigger than the required gap.

The following tables are subject to:

• The requirements of NZS 4246.
• The insulation is exposed to the source of heat or equipment etc.
• Insulation, has passed the needle flame test to AS/NZS 60695.11.5 and/or is non-combustible.
• Gaps to hot surfaces may have to be increased with non-compliant insulation and plastic/polymeric type insulation (EPS, XPS, PIR, etc), check with insulation manufacturer.
• Gaps to hot surfaces may be able to be reduced with non-combustible insulation, check with equipment manufacturer.
• "Secure insulation" if required means, glue, mechanical fix, or provide fixed barriers at gap edge of insulation to hold in place.  Rigid or semi rigid insulation may only need a firm friction fit (secure loose pieces).

LIGHT FITTINGS

FOR MINIMUM INSULATION CLEARANCES TO INBUILT RECESSED HOT APPLIANCES refer to NZS 4246

EXTRACTS, VENTS, PIPES & ROOF UNDERLAY

Friction fit Thermal Underfloor between floor joists and butt joins tightly to ensure there are no gaps.  Staple-fix the insulation into the joists at 200mm centres on both sides of the joist. For pole houses increase staple fixing to 100mm centres, and tape the joins as required.

Ensure the wind-wash barrier is facing downward, and that it is pulled tight to provide smooth consistent surface, without tearing.  Follow the manufacturer installation instructions and refer to NZS 4246 for further guidance, and ecoinsulation® glasswool insulation Thermal Underfloor installation instructions.

Staple Faced Thermal Underfloor rolls between floor joists, and butt joins, tightly to ensure there are no gaps.  Staple into the joists at 200mm intervals on both sides.  Ensure the wind-wash barrier is face downward, and that it is pulled tight.  Refer to NZS 4246 for installation guidelines, and ecoinsulation® glasswool insulation Faced Thermal Underfloor installation instructions.

Friction fit between framing members and linings.  Cut on site to fill cavity and provide a close even fit.  When cutting to fill a void, oversize by up to 10mm to ensure a tight fit.  Ensure there is a friction fit on all faces of the insulation.  If cavity depth is greater than the insulation nominal thickness, fix or strap the product to secure in accordance with installation instructions.  Cut into smaller pieces for smaller spaces and around penetrations to achieve efficient thermal performance.  Do not fold, tuck or compress the insulation.  Refer to NZS 4246 for installation guidelines and ecoinsulaton® glasswool insulation Product Data Sheets, for detailed installation instructions.

Friction fit inside the steel framing and cut on site to fit nog spacing.  Fill cavity and provide a close even fit.  When cutting to fill a void, oversize by up to 10mm to ensure a tight fit.  Do not fold, tuck or compress the insulation.  Cut to smaller pieces for smaller spaces and around penetrations to achieve efficient thermal performance.

Friction fit ecoinsulation® glasswool insulation Thermal ceiling segment between framing members.  Cut across the roll for fit to nogs and small spaces around penetrations.  Leave no gaps and maintain full thickness of insulation over the whole of the installation.  Leave gap around metal flues to the manufacturer requirements.

Loose lay ecoinsulation® glasswool insulation Thermal ceiling roll insulation over the ceiling framing and between truss chords.  Cut across the insulation roll as required to fit securely around all penetrations and small spaces, leave clearances where required.

Friction fit first layer of ecoinsulation® glasswool insulation Thermal Ceiling segment parallel to and between ceiling framing members.  Run a second layer of the ceiling insulation roll at 90° to and over the first layer over framing members. Use a sharp craft knife to cut to required size to fit to nogs and small spaces around penetrations.  Leave no gaps and maintain full thickness of the insulation over the whole of the installation.  Leave gap around metal flues to manufacturer requirements.

Friction fit ecoinsulation® glasswool insulation Thermal Ceiling between ceiling rafters.  Use a sharp craft knife to cut to required size or around penetrations if required.  Maintain a minimum clearance of 25mm between the insulation and the roofing membrane (underlay) except where a solid timber (or plywood) substrate is used under the roof cladding.

Where perimeter of ceiling space is too low to allow full depth of insulation plus the 25mm air gap to the underlay, provide reduced perimeter insulation to NZS 4246 Section 6.2, and maintain the 25mm gap.

Refer to 1270 CONSTRUCTION for completion requirements and if required commissioning requirements.

ecoinsulation® glasswool insulation packaging is recyclable.