Find it.

You want to get the best result so go and find those holes and gaps. The more you find the better chance of getting a better result. Look behind things, under things and inside things.

Why not check behind a radiator or two - you might find a surprise

Out of sight out of mind will always be what we find

Seal it.

So you have found the holes and gaps which means its time to seal them.

The better you can do this the better your result - it really is that simple and make sure you do it properly and don’t leave any bits unsealed.

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Test it.

The air test sounds daunting, but it doesn’t need to be.

mendip energy will explain where the usual places that cause poor results are, make some suggestions