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When building a new house there are numerous different options available. The key thing is to choose what is going to suit you in your home. We at Cooper Insulation cater for all insulation services in this area to take away the stress of having numerous contractors on site at the one time. We provide free quotations for all new builds and are always available to meet clients to review plans and discuss ideas.
As regulations have changed, there are now requirements that must be met in order to comply with the most recent regulations.
This is what a new build must have to comply with standards set out in four sections:
Sub floors to comply should have a minimum U value of 0.21 which will leave it as an A rated floor. We fit a radon barrier professionally and accurately over a well blinded level floor area. Depending on the architect requirements, an 80mm horizontal board is usually fitted onto the floor area over the radon and a 35mm vertical edging is fitted on the external perimeter which will comply with regulations.
Walls must be A rated to comply with current building regulations. This can be achieved by constructing the external walls with a 150mm cavity which can be pumped with platinum silver bonded bead. This meets regulations without fitting an insulated plaster board on the internal sifde of the perimeter walls.
Attics must be A rated results, which is a 0.16 U Value. There are many different permutations to achieve this, depending on the house type. 300mm fibreglass on ceilings is the most common, however, in dormers or sloped ceilings this is not possible. We use a high density insulation which is fitted between the rafters and usually an insulated slab is fitted over this. This process allows the homeowner to maintain all available space. See U value page for possible U Value permutations which may suit your house. Click on service page to see the different options available to you.
All new builds now must have air tightness installed to ensure that heat loss is kept to a minimum. This is basically a membrane that is fitted over the insulation at roof level which will eliminate air escaping. All windows, doors and opes are sealed firmly with air tight tape and the external walls of the house receive a plastered sand and cement coat. This process will leave your house air tight. Air tightness tests are carried out at the end of the build by an independent assessor and will give a reading of air changes per second. Each architect will specify different reading requirements. We provide our own test when leaving the house, to confirm the house is air tight, however the sign off engineer will require an independent test.
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