Hollow lime plaster

Mr Sparkle · 24 Oct 2020

Renovating a victorian house which has lime plaster.

The plaster sounds hollow/crumbly in a number of places.

In this instance would it be best to take it back to brick?

Or can you just skim, if its hollow but still sound?

Mr Sparkle · 29 Oct 2020

Anyone around?

Mr Chibs · 29 Oct 2020

Be best to knock off the loose stuff, but you might be surprised how much comes off once you start

I'd go back to brick and board and skim.

Mr Sparkle · 29 Oct 2020

Is boarding and skimming sounds good but i am concerned that as it is an external wall, it needs to breath

Would boarding and skimming allowbfor breathable walls or is this a damp issue waiting to happen?

datarebal · 22 Jan 2021

Do it properly

Mr Sparkle · 22 Jan 2021

datarebal said:
Do it properly

What's a proper job?

datarebal · 23 Jan 2021

back as it was

catlad · 23 Jan 2021

A lot of properties of that period had a cavity behind the internal side of the latt n plaster walls to stop damp tracking through from the external walls and that might be why they sound hollow.

lostinthelight · 23 Jan 2021

You can insulate with wood fibre board , lime skim on top, walls stay breathable.
https://www.lime.org.uk/review/product/list/id/9359/category/64/

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Hollow lime plaster

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