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FAQ: “What Is The Best Way To Insulate Walls For A New Construction?”

David Jones - 21 Oct 2019

Are you working on site and have been asking yourself: “What is the best way to insulate walls for a new construction?”

If so, you’ve come to the right place.

We’re sure that if you’re looking for best practices, it’s likely you are aiming for your new construction to well exceed minimum construction mandates and guidelines. To make sure this happens, insulation, and how it cooperates with other parts of the building should be a predominant feature in your designs.

Why insulate now?

It’s far, far cheaper to create a new build with insulation included than to retrofit the building and do it after. As well as having more access to exposed areas during the construction phase, you’ll know better when looking at the blueprint where to insulate to maximise the energy efficiency. Moisture control and the air-tightness of the home are also important factors in the construction of this project, and can be tackled with high quality insulation, such as closed cell spray in foam from Spray Foam Experts.

The best way to insulate walls for a new construction

The US Energy department recommends: “In most climates, you will save money and energy when you build a new home or addition if you install a combination of cavity insulation and insulative sheathing. Reduce exterior wall leaks by taping the joints of exterior sheathing and caulking and sealing exterior walls. Cavity insulation can be installed at levels up to R-15 in a 2 inch x 4 inch wall and up to R-21 in a 2 inch x 6 inch wall.”

Don’t forget any!

Some new builds often try to save money by insulating some parts of the construction and not others. This is completely counterproductive and we advise against it. As well as having high quality insulation that performs well in all weather conditions, having complete coverage is going to save you vast amounts of money and energy in the long run. Make a point of insulating the roof very well too, as heat rises and most energy will be lost in this way.

Closed Cell Spray On Insulation Foam

This is the world’s lowest carbon footprint insulation foam, and is our recommended material to insulate walls for a new construction. Since it arrives in liquid form and expands to over 100 times its original size, it’s great for transport and easily applicable. This reduces the preparation time needed, and if the wall cavities are already open, you simply need to apply it and wait, but make sure you have a trained professional do the job, spray foam is not a DIY substance. By combining advanced framing design techniques with closed cell Icynene foam, you can reduce cold bridging, saving potentially 50% on your energy bills!

A problem solved now it a problem avoided later

If you opt against insulating the walls during a new construction, it’s highly likely that the next owner will have to open up the walls and do it themselves. This will be very difficult and they will only question why the walls weren’t previously insulated, so we recommend doing it during the construction stage. Closed cell spray foam is so light and portable that there should be no logistical or application issues during the new construction phase.

To sum up, answering the question – ‘What is the best way to insulate walls for a new construction?’ – a lot of factors must be taken under consideration, and the most sensible approach is to consult a specialist during the planning stage.

Are you currently working on a construction project, designing a new interior? Are you in need of renovation for your commercial property? Get in touch on 08001700135. You may opt to fill out quick Online Form to request a call back.

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