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Problem with Bubbles
in Painted Signs.

UK Sign Maker
Painted signs and painted sign boards
Problem Sign Bubbles caused by customer drill holes in the reverse. Close up of water penetration which has caused the bubbles.

We sanded the sign back to bare wood and it became clear what had happened. Three holes had been drilled into the back of the sign. You can clearly see how wet this area of the sign had become. We turned the wood over and the water penetration was clearly visable on the front. This is without doubt why the paint had bubbled.

Three holes had been drilled by the customer into the back of the sign.
Three holes had been drilled by the customer
into the back of the sign.
Close-up of holes clearly showing water penetration
Close-up of holes clearly showing
water penetration

Water had penetrated through to the front causing the bubbling.
Water had penetrated through to the front
causing the bubbling.

If you have to drill a hole for fixing then make sure you fill the hole with a sealant such as CT1 before putting in the screws or bolts
. Alternatively ask us to drill the holes or attach the fittings for you.


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