What is this in loft?

srb62 · 30 Mar 2021

Hi,
I've come across this white mouldy-looking substance in the loft of a friend

. Anyone know what it might be and whether it's something to worry about?

Bosswhite · 30 Mar 2021

Looks like a length of 4" b 2 " to me !!!

freddiemercurystwin · 30 Mar 2021

The skanky white stuff?

Bosswhite · 30 Mar 2021

Looks like beetle dust to me .

HERTS P&D · 30 Mar 2021

Did Joaquín "El Chapo" Guzmán live there?

Andy

Gasguru · 5 Apr 2021

How old's the house...might be hydrated lime (added to cement mortars as a plasticiser) from the days when everything was just dumped on site by lorry.
Got the same in our 1950s place...just on odd timbers.

diynot

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What is this in loft?

srb62

Bosswhite

freddiemercurystwin

Bosswhite

HERTS P&D

Gasguru

DIYnot Local

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