Roof Insulation Cost Per Square Metre

Roof insulation can be a highly effective technique to passively improve the heating and cooling performance of your home particularly if the roof faces north above commonly used living areas and bedrooms.

Roof insulation cost per square metre.

Generally speaking when it comes to insulating a home whether that s loft insulation roof insulation. Rubber roofing contractors tend to charge between 75 and 90 per hour on top of materials. Square meters material cost installation cost total. Spray foam insulation is substantially more energy efficient and does not lose r value for its 80 years of life.

In preparing the below insulation cost calculators we ve assumed that you are building or renovating a regular house on the outskirts of auckland. 15 45 excl. To calculate how much spray foam insulation cost per square metre depends on 4 main factors. Fiberglass will last 10 to 25 years if it stays dry and it s r value decreases over time.

Our example house is a single storey house with an exposed raised underfloor. However it will usually average between 4 50 and 5 50 per square foot. The cost of insulation per square metre comes down to the brand type and the r value. 35 50 excl.

25 35 excl. Installation of the insulation average cost per m2 customised quote. Per square metre rates for roof insulation can cost between 40 per square metre to 100 per quare metre for labour and supply of materials. The average cost of insulation panels the most common roof insulation is about 25 per square metre while spray foam insulation is at least 30 per square metre so we would estimate that the average cost of roof insulation in a property would be about 400 to 500.

The thickness the size of the area you want to insulate how it s installed and the type of spray foam insulation. Reflective sarking is one of the cheapest types of insulation at around 99 for a 60mx1350mm roll. Expect to spend anywhere between 3 25 and 14 00 per square foot for material and installation. Spray foam insulation costs 1 36 to 2 63 per square foot to install and blown in fiberglass insulation costs 0 40 per square foot to install.

The exact material you use will have an impact on the cost of the roof with basic felt solutions costing around 50 per square metre for the material itself and more high end materials such as modern grp a form of fibreglass going up to 90 per square metre but allowing unlimited options in terms of colour and generally being more long lasting. 50 75 dos aguas 44 000 53 000 13 000 15 000 57 000 68 000.