Can this be use around boiler pipe?

It's worked fine around central heating pipes in floors Check working temps on tube to see range it covers

It it suitable for bigger gapps .like around 20 x 10 cm ? If not, what would be the righy solution?

Not sure what the depth of your hole is or where it is. That size would have to be done in stages if just using this and it takes a few days to dry. Wire mesh - available on Amazon might be easier in combination with this?

How thick is this sealant i.e. how small can I cut the nozzle hole to? I have a fiddly job and need to add a length of tube

It isn’t that thick so you can cut the tube quite small. Takes longer but you can always increase the size.

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🛡️ Seal Your Space, Secure Your Peace of Mind!

COMPACT POWER - Lightweight design at just 240g for effortless handling.
HANDY HANDY - Easy to apply with hand-powered operation.
SEAL THE DEAL - Non-toxic sealant that keeps unwanted guests out!
TRUSTED BRAND - Manufactured by Rentokil, a leader in pest control solutions.
CRACK THE CODE - Perfect for sealing cracks, joints, holes, and seams.

The RentokilFMS01 Mouse & Rat Gap Sealant Mastic is a non-toxic, hand-powered solution designed to effectively seal gaps and prevent rodent access in your home. With dimensions of 5 x 5 x 23.5 cm and a lightweight design of 240 g, this sealant is perfect for tackling cracks, joints, holes, and seams, ensuring a pest-free environment.

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