Why should I insulate my walls?
I have already insulated my ceiling and underfloor - why walls?
Research shows that 30% of heat loss occurs through your walls. If you have already installed ceiling and underfloor – think of it like a tomato sandwich – the heat is going to squeeze right out the walls like a sliced tomato!
When was wall insulation mandatory in New Zealand?
Homes built before 1978 are likely to have no insulation in the external walls
Tell me more about CodeMark Certification & BRANZ
What does "CodeMark" mean in New Zealand?
CodeMark is an unchallengeable form of product assurance and controlled by MBIE. Building consent authorities (BCAs, usually councils) must accept a product certificate as evidence of compliance with the Building Code.
How about BRANZ?
BRANZ are an independent New Zealand based research organisation providing impartial evidence-based advice on critical issues in building and construction in New Zealand, to industry and government. They provide testing and consultancy services that drive better performance. They undertake and invest in research by BRANZ science teams and external research agencies to unlock new knowledge, addressing current and emerging challenges of the New Zealand built environment. BRANZ are approved to issue CodeMark Certificates in New Zealand
Why use BRANZ for CodeMark blow-in systems?
Eco Insulation selected BRANZ due to their specific knowledge and science in relation to New Zealand construction methods over the decades. The ecoinsulation Blow-in Retrofit Wall system is the only system on the market that has a CodeMark issued in NZ by BRANZ. BRANZ have applied an increased focus on how to manage liquid water ingress relative to the New Zealand Building Code, together with cladding systems assessment criteria in the marketplace.
What is the insulation product installed?
What is the insulation made from?
The dry glasswool insulation we use exclusively for our system is Supafil® Frame – made from recycled glass and sand. In addition, the product is silicone treated to provide the required performance and enhanced durability
Why do you use Supafil® Frame?
Supafil® Frame is manufactured by Knauf Insulation – one of the world’s largest and leading insulation manufacturers. Working with Knauf Insulation, we have been able to prepare comprehensive systems based on world-class processes, and applied specifically to New Zealand Conditions.
Is the product flammable?
Supafil® Frame is non-combustible.
Can it provide acoustic improvements to my walls?
Yes, Supafil® Frame provides BOTH acoustic and Thermal performance.
How does the R-rating compare to other products like polyester
Where installed, Supafil® Frame delivers high R-values in comparison to other exterior wall insulation types R2.8 for standard 100mm (4 inch) timber frame and R3.6 for brick veneer.
Is the insulation wet or dry when installed?
Supafil® Frame is a dry glasswool, unlike other expanding foam type systems that is injected wet. Also no risk of potential noxious fumes.