A look at the proposed new editions of Acceptable Solution H1/AS1 and Verification Method H1/VM1, and their effect on the building industry.

A window should meet or exceed H1 requirements but with consideration to thermal bridging, and the risks of condensation and overheating.

The Roll Panel Vent works by creating a 25mm air gap between the top of the insulation and the underside of the roofing and underlay to ensure unimpeded air flow through the eaves into the roof cavity.

Mammoth's new R2.8 underfloor insulation supports meets the NZBC's updated underfloor insulation requirements.

Rob Woolner provides an insight into GreenStuf’s market-leading approach to the new H1 regulations.

pro clima INTELLO PLUS was chosen to line the internal walls and ceiling of the home, creating an airtightness and vapour control layer on the inside of the insulation layer.

With new H1 standards coming into force, how do tubular daylighting devices help, and how do they comply?

Doubling the R-value of warm roof insulation can provide energy cost savings in the long term. 

PIR boards are designed to be used over the framework and sealed where the boards abut each other with special tape to create a complete unbroken thermal envelope.

Designed to prevent heat loss through a building’s foundation, MAXSlab and MAXRaft systems easily meet the new H1 requirements for floors.

Kingspan’s insulated roof panels provide a simple single-piece warm roofing solution, available in a wide range of thicknesses/R-values with options available for all climate zones.

Dimond Roofing’s Tricore provides a great solution to manage H1 requirements across all of the new climate zones in New Zealand.

Far reaching changes are coming to the window industry with the revisions to the Building Code H1 energy efficiency standards announced by government late last year.

Gauzy Solar Performance LCG switchable glass provides impressive reduction in solar heat gain with abundant natural light even while opaque.

Controlling thermal comfort with a buoyancy-driven ventilation system.