What would be the best way to make this gaplook tidy?

The Mrs · 13 Dec 2016

Dear all;

We've just had an exactor fan fitted, and are now left with a rather large gap around the pipe where it exits our external wall.
Normally I would use decorator's chalk to fill in any gaps, but as you might see from the picture, the gap is rather too wide for it this time! Would it be best to use an expanding foam? Or perhaps a 'pie collar'?
Thank you in advance for your help!

The Mrs

motorbiking · 13 Dec 2016

Personally I'd fill with expanding foam and then patch and sand, but if you are no good at plastering you can get a wall plate for a few quid
http://www.screwfix.com/p/manrose-r...tracking url&gclid=CKfNxLC-8dACFfUW0wodw1gL6A

The Mrs · 13 Dec 2016

Many thanks! The wall plate sounds like a great idea! (My other half likes plastering a little too much I am afraid so any solution that doesn't involve plaster is a better on from my point of view! haha)

JohnD · 13 Dec 2016

The Mrs said:
'pie collar'?

The Mrs · 13 Dec 2016

Ah yes, a small typo, sorry about that

. Although pie collars do exist... I just wouldn't want to put one around a pipe like this as would likely attract mice...

Nozzle · 13 Dec 2016

I'd use a bit of deep fill filler, leave it a bit short of the surface and allow it to set for a few days (& shrink). Then go back to it with normal surface filler, sand back and paint.

Nozzle

chappers · 15 Dec 2016

yep or several coats of powdered filler

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What would be the best way to make this gaplook tidy?

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