Your attic is one of the best places to start looking to make savings on your energy bills.
According to the Energy Saving Trust, upgrading an untreated loftspace with 270mm of insulation could cost as little as £50 on a DIY basis (installed costs are around £250). Bill savings can be up to a staggering £145 per year for an average three-bedroom home.
Making the upgrade is a no-brainer, then. Happily enough, installing loft insulation yourself can be a very straightforward task – especially if you’re working at floor level.
Our step-by-step guide walks you through the process, with expert advice on how to roll out your insulation in a safe and effective away.
You will need
Remove any debris between the joists and ensure that the area is relatively clean. Seal any gaps where pipes and cables enter the loft through the ceiling. Use the boards to move around on for all the steps in this guide
Unpack a roll of insulation. Starting at the eaves, slowly roll out the insulation between the joists. Leave a small gap (25mm) at the eaves to allow for ventilation. Feed the insulation underneath any pipes or cables
Once the first piece is down, move to the the opposite eave. Roll out the insulation towards your first piece. When they meet, make a straight cut with your knife and butt the two ends up together
Cover the whole area of the loft in between the joists. Once you have insulated between the joists, repeat the process across the joists, over the top of the insulation you have already put down
Continue to cover the whole area, using the same method as in step 2 and 3. Try to avoid laying your board on top of the finished insulation layer, as squashing it down could reduce its efficiency
Finish the whole space, continuing to lay perpendicular to the rafters. Work towards the loft hatch, as this allows you to more easily avoid clambering on top of the newly laid insulation once you’ve finished
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