Roof Insulation Cost Per Square Metre

Spray foam insulation is substantially more energy efficient and does not lose r value for its 80 years of life.

Roof insulation cost per square metre.

A reflective foil with an additional air cell barrier for greater thermal insulation that complies with bca 6 star energy efficiency regulations costs about 350 for a 22 5mx1350mm roll roughly 30 sq. The cost of insulation per square metre comes down to the brand type and the r value. 25 35 excl. Installation of the insulation average cost per m2 customised quote.

15 45 excl. Commercial buildings and small residential additions utilize the membrane style roof. Rubber roofing contractors tend to charge between 75 and 90 per hour on top of materials. Our example house is a single storey house with an exposed raised underfloor.

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. In preparing the below insulation cost calculators we ve assumed that you are building or renovating a regular house on the outskirts of auckland. Square meters material cost installation cost total. To calculate how much spray foam insulation cost per square metre depends on 4 main factors.

However it will usually average between 4 50 and 5 50 per square foot. 35 50 excl. Generally speaking when it comes to insulating a home whether that s loft insulation roof insulation. 60 100 incl.

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. Reflective sarking is one of the cheapest types of insulation at around 99 for a 60mx1350mm roll. 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. Fiberglass will last 10 to 25 years if it stays dry and it s r value decreases over time.

The thickness the size of the area you want to insulate how it s installed and the type of spray foam insulation. Expect to spend anywhere between 3 25 and 14 00 per square foot for material and installation.