How to insulate a loft conversion

Loft conversion using Kingspan Kooltherm K118 Insulated Plasterboard A common method of improving a home is to add space and value by carrying out a loft conversion.

As well as adding an extra room to the house, a well-insulated conversion may also provide savings by reducing energy bills. … Read the rest

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How to insulate a pitched roof at rafter level

Loft conversion using Kingspan Kooltherm K118 Insulated Plasterboard When insulating a pitched roof at rafter level there are a number of key design considerations which will affect the build-up of the roof and the choice of insulation. In this blog post we explore some of the options available.… Read the rest
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Why are counter battens used in pitched roofs?

k7-ff-unvent Have you ever wondered why you’ve needed to have counter battens in your roof build up, or questioned whether they are worth the extra cost? Well they’re more important than you might think. Let us talk you through it.

As … Read the rest

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Why you need two layers of attic insulation

Loft conversion using Kingspan Kooltherm K118 Insulated Plasterboard Have you ever noticed that our online U-Value calculator only offers options for two layers of pitched roof insulation?

We also only ever advise two layers in our Kooltherm Quick Guide.

So, why isn’t one layer of attic … Read the rest

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Why you can’t just insulate between the rafters.

K18 over K7 In this blog post we are looking at insulating a pitched roof and why just putting insulation between the rafters wouldn’t be a viable solution.

We’ve looked at pitched roofs before but this was a specific query which came from … Read the rest

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Breather Membrane basics

Nilvent breather membrane In our product literature we often recommend using a breather membrane, such as nilvent, between the insulation and the tiles / slates on pitched roofs.

But what exactly is a breather membrane and why is it there?

The BBA … Read the rest

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How to insulate a garage conversion: Part 3 – Roof Insulation

hammer and wooden floor In the last few blog posts we have looked at the Building Regulations and Standards required for insulating a garage conversion as well as the different methods of insulating the walls.

The next step is to look at the insulation … Read the rest

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Jargon buster: Types of roof construction

Houses from the air There are a number of different roof constructions, each of which has its own insulation requirements as well as ventilation and waterproofing methods.

These can often get a bit confusing and we hope that our quick jargon busting guide helps … Read the rest

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Air gaps, insulation and roofing membranes in pitched roofs.

Pitched roof, membranes and air gaps We have a question about what air gap you should leave between the insulation and the roofing membrane in a pitched roof almost every day. Here’s some advice about what to do…

The gap you leave depends upon the type … Read the rest

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