I want to fill an unsightly gap around an exterior pipe with something that will keep out damp and insects but not look obtrusive. Polycell Exterior Silicone Sealant comes in a cartridge and will achieve a seamless waterproof seal, ideal for areas such as door frames where movement occurs.
You will need
Step by step process
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Step 1
First brush out any dirt and loose rubble or pointing from around the exit of the pipe from the wall.
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Step 2
Remove the tip of the cartridge with a knife and screw nozzle on. Place the cartridge into the sealant gun and run a continuous bead along to fill the gap.
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Step 3
The sealant is initially white when applied, but dries to form an almost clear waterproof seal that blends discreetly with surrounding edges.
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