Roof Insulation Requirements Nz

The standard explains the correct way to install insulation in an effective and safe way.

Roof insulation requirements nz.

Insulation requirements are expressed as r value and the higher the r value the better the insulation provided. Where the landlord intends to demolish or substantially rebuild all or part of the property within 12 months of the start of a tenancy. Insulation must be installed in accordance with new zealand standard nzs 4246 2016. If part of a roof is too low to install insulation that meets the requirements then a less thick insulation product may be used in those low clearance areas.

This means there should be no mould dampness damage or gaps. All existing insulation must still be in reasonable condition to meet the requirements. Insulation must be installed in accordance with new zealand standard 4246 2016 external link. By october 2008 all new homes and major extensions across new zealand were required to meet the new insulation requirements.

It includes guidance on what safety clearances are required from downlights chimney flues roofing etc. You can find information on zone specific r values as well as the calculation and modelling method for showing compliance with the building code clause h1. Browse product options or contact your local insulfoam rep to help you quickly pick the best products to simplify your building envelope needs and fit your project budget all with one supplier. Our first choice for ceiling insulation is mammoth polyester insulation we favour it because it is nz made non irritant safe easy to use and the polyester fibres have a permanent heat bond that is long lasting.

Since 1 july 2019 ceiling and underfloor insulation is compulsory in all rental homes where it is reasonably practicable to install. Other exceptions to current insulation requirements there are other situations in which rental properties may not need to meet the current insulation requirements. Iecc 2015 requirements by climate zone 3. Minimum insulation r value requirements non residential above roof deck.

Ceiling or roof framing is commonly 90 mm deep so insulation should be within 20 mm of the top of the ceiling or roof framing if not above it. Pink batts ultra insulationhas higher r values thanpink batts classic insulation. Insulation is now compulsory in all rental homes. The insulation s thickness has not degraded by more than 30 compared to when it was installed.

We only use proven ceiling insulation products that we are confident will last and are backed by significant manufacturer warranties. It must comply with the regulations and be safely installed.