How-To Guide

How to Insulate your Loft Ceiling

Difficulty: Easy • 8 steps

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This is a step-by-step guide that demonstrates how to insulate your loft ceiling with our Loft Ceiling Insulation Kit.

When installed on your loft ceiling (otherwise referred to in the trade as under rafters), it reduces heat loss and consequently reduces your heating bills.

This kit has been designed for homeowners who wish to save energy. In many cases, our customers insulate their loft themselves and don't use tradesmen — however, any local handyman would be able to assist you if you'd rather not install it yourself.

It is proven to save cost, space, wastage, and installation time compared to rigid PIR insulation.

If you do not insulate your loft, you are using 25% more energy than you need to, to maintain the same temperature. That's 25% of the heat you're paying for escaping via your roof — so by investing in and installing this, you can start saving and get a return on your investment every single year.

Install Your First Run of EcoQuilt Expert

Rolling out the first run of EcoQuilt Expert insulation across loft rafters

Decide whether you would like to insulate vertically or horizontally — this decision usually depends on the length of your roof rafters. Then roll out the insulation, measure the amount of material required for a strip, and cut it using the multifoil insulation scissors supplied within the kit.

Staple the EcoQuilt Expert Into Place

Stapling EcoQuilt Expert insulation into place on loft rafters

We advise stapling every 300mm to ensure the multifoil insulation is held securely in place.

Top tip: make sure the EcoQuilt is pulled taut — this will compress the layers and make the stapling process easier.

Install the Next Layers of Multifoil

Overlapping the next layer of multifoil insulation in a loft

Ensure you overlap the EcoQuilt by 50mm minimum — this helps ensure a continuous insulation layer.

Failing to overlap will impact performance, as it will allow air to pass through.

Counter Batten (Optional)

Once all of your roof rafters are fully covered, you have successfully insulated. If you're just using your loft for storage, you may opt to leave the insulation exposed. If not, you can counter batten using 25mm x 38mm battens, installed at right angles to the rafters — deeper battens can be used if you wish. Battens will also be required around the perimeter.

Internal Finish

You can now screw the plasterboard into the battens.

Want to Double the Performance?

You can — just install two layers. This process is a little different: roll out the multifoil insulation, but instead of stapling it to the front of the rafters, staple it to either side of the joist, halfway up.

By doing this, you'll create an air cavity on either side of the product, even once you add your second layer.

Staple Next Layer

Overlap the next layer of multifoil again by 50mm. Continue this process until you have full coverage all over.

Install Your Second Layer of EcoQuilt

The second layer of insulation should be installed taut across the joists, so you have an air gap behind it. Staple the second layer to the front of the roof rafters.

Once you have a continuous double layer, you can decide whether to leave it exposed or board over it — see "Counter Batten (Optional)" above if you'd like to board over the insulation.

Any questions at all, just get in touch here. You can either submit an enquiry or request a call-me-back — we are more than happy to assist you.

Disclaimer – Ecohome Insulation cannot be held responsible for any losses financially or physically from advice provided in this How-To-Guide.

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