From $ 13.17 p/m2 inc. GST
From $ 12.37 p/m2 inc. GST
From $ 18.97 p/m2 inc. GST
From $ 1.78 p/m2 inc. GST
From $ 35.00
From $ 11.18 p/m2 inc. GST
Roof Insulation
There are various insulation types, and most are fairly similar, though there are some distinct differences between the brands. The roof insulation cost will typically be saved back in energy savings over just a few days. The average ceiling insulation bag is 1.2 metres long and weighs between 8 and 18kgs. Typically, manholes are not much bigger than the bag itself, so loading the bags into the ceiling is almost always a two-person job. If the manhole is actually not big enough for an unopened bag to fit through, you may have to split the bags open and pass the batts one by one into the ceiling, which is very time consuming. Or you can load the bags through the roof, which will only work if the roof is tiled and comes with its own challenges, not least that you will have to secure yourself against risk of falls.Summer Heat Gains
The below diagram shows Summer heat gains in a home without insulation. Installing thermal insulation in the walls, ceilings and underfloor helps to keep the home cooler in hot weather and reduce the reliance on air-conditioning systems. Insulation is a good way to reduce your energy bills!
Winter Heat Losses
The below diagram shows Winter heat losses in a home without insulation in roof, walls or floor. Between 25% and 35% of heat is lost through the ceiling, higher than any other area of the home. A further 15% to 25% of heat is lost through the walls, leading to high heating bills.
How to Install Roof Insulation – Before Plaster
This DIY video explains how to install ceiling insulation batts before the plaster is hung. Our professional installers use this method as it saves time and ensures that the roof insulation is installed properly in hard to reach areas.Why Install Roof Insulation in Your Ceiling Space?
We once conducted an experiment with roof insulation – installing Earthwool Roof Insulation Batts in Sydney above a commercial office ceiling over all the ceiling tiles, but leaving one tile un-insulated. This was an office which typically got very hot in summer, thanks no doubt to the metal roof immediately above it, and the absence of any roof sarking. The effect of the roof insulation was immediately noticable in that the wall mounted split system air-conditioner which had earlier been installed some months earlier, was now comfortably able to cool the entire office without any trouble.
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