An Industry First Solution to Help You Achieve H1 Compliance

The second round of changes being made to the H1 energy efficiency clause are coming this May. One of the areas of particular focus is the increase for ceilings in residential buildings to now achieve a minimum R-value of 6.6. This has led to the need for alternative insulation solutions to achieve H1 compliance.

To meet these new requirements, GreenStuf has introduced the use of a double-layer system. When using a double layer of GreenStuf Thermal Ceiling Insulation R3.4, you can achieve an insulation R-value of R6.8, hence allowing you to meet the minimum R6.6 required in ceilings. This performance has been appraised by BRANZ and makes GreenStuf the first BRANZ-appraised double-layer polyester insulation system in the New Zealand market. 

They rigorously test their products to ensure they can meet the demands of the New Zealand building codes and requirements of such varied climate zones. While there has been some concern about double-layer systems not achieving a double R-value, they can prove that this is not the case. Their BRANZ appraisal documents are a clear indicator of this, showing the robust testing that they have gone through to meet these high standards.

GreenStuf Thermal Ceiling Insulation

GreenStuf

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To reduce heat loss in residential applications, the ceiling is the most important place to insulate.

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Application: Thermal insulation
Fitting: Internal ceilings

GreenStuf Thermal Ceiling Insulation is designed for the thermal (and acoustic) insulation of buildings in accordance with New Zealand Building Code (NZBC) H1 Energy Efficiency, and G6 Acoustic Design requirements. GreenStuf Thermal Ceiling Insulation can be used as a roof blanket, in ceilings, under floors, internal and external walls and in mid-floor cavities.

NZBC Compliance: When installed in accordance with the manufacturer’s instructions, GreenStuf insulation will satisfy the 50 year durability clause NZBC B2.3.1 (a). GreenStuf meets the relevant clauses of NZBC E3 Internal Moisture, F2 Hazardous Building Materials, and will contribute to meeting H1 Energy Efficiency.

H1 Energy Efficiency: This product will contribute to a building meeting building code Clause H1. All GreenStuf thermal insulation is created to meet with MBIE's new changes.

Fire Regulations: GreenStuf insulation may not be suitable for all applications, as stipulated in the NZBC. Please consult a fire engineer when specifying GreenStuf insulation or contact aGreenStuf account manager for further information.

Acoustic Performance: GreenStuf insulation will assist sound reduction by reducing the resonating noise inside the construction cavity. Actual performance will vary with different construction systems. For acoustic design assistance please contact a GreenStuf account manager.

Hazardous Building Materials: GreenStuf is non-hazardous.

Durability: GreenStuf has a 50 Year Durability Warranty.

Moisture: GreenStuf is not affected by moisture. Exposure to an atmosphere of 50°C at 90% relative humidity for four days showed moisture absorption by weight of less than 0.03%.

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