Modern day glasswool insulation has come a long way when it concerns health, safety and sustainability. All the products we sell are considered safe to use and safe to install, provided the proper installing procedure is followed. If you suffer from asthma or serious dust allergies, then you should think carefully before climbing into an old […]
Category Archives: All things insulation
Should my granny flat or minor dwelling also be insulated? In most cases the answer is yes. How much R-Value you need in the ceiling and walls will depend on a number of factors, primarily the local climate, and the proximity of any other buildings or trees which may provide shading from direct sunlight especially during […]
Get as much as possible out of your insulation investment Whether you are installing thermal insulation in your ceiling, walls or elsewhere, it’s important to understand how insulation works, the basic meaning of thermal bridging, and how it can impact on the efficiency of your insulation project. A thick layer of thermal ceiling insulation, installed […]
Know your climate zone and maximise benefits of insulation A climate zone is a category grouping of different areas into zones, by factors such as temperature ranges, humidity and rainfall. These and other climatic factors help to determine the type of insulation required (e.g. bulk insulation or reflective insulation) and which R-Value is required to maximise […]
The R-Value – or R-Rating of thermal insulation measures how resistant the insulation is to heat transfer. A higher R-value means a higher resistance to heat transfer. New buildings are generally specified at the design stage as requiring a certain R-value. Before recommending the insulation R-value, consideration will be given to things such as the […]
Most New Zealand homes require – or at least benefit a lot from – some insulation. One of the benefits of insulation is drastically reducing the amount of heat which enters the home in summer, and the amount of heat which escapes in winter. Insulation helps to maximise the efficiency of indoor heating and cooling, […]
Reflective foil insulation works by providing a radiant barrier between a hot surface, and the area on the other side – e.g. between the roof of a house and ceiling space underneath it. Foil insulation depends on an air gap of 2- 3cm between itself and the roof, in order for it to be effective. […]
What is insulation made of? Knauf Earthwool Glasswool Insulation is not made from wool. It is manufactured from recycled glass bottles, sand and other materials. It is non-hydroscropic (absorbs and holds practically no moisture from the air around it), non-combustible (won’t catch fire) and will not rot or attract vermin. Earthwool Glasswool Insulation uses a […]
Acoustic insulation reduces the transmission of sound from outside the home, and between rooms inside the building. Acoustic insulation is effective at addressing both airborne sound transfer (such as aeroplane or vehicle traffic noise) and impact noise – such as the noise of someone walking around up stairs in a multi-storey dwelling. While all […]