Asbestos is Blocks

LeedsGasMan · 8 Jul 2019

came across this today while knocking out for a boiler flue in a 1960/1970’s retirement home. Once the plasterboard in front of it fell off we stopped drilling immediately.
It was hard yet sounded hollow when drilling. It felt very ‘fibery’ but looked like it had little pieces of wood in it.

The room has been closed off and sealed and waiting on testing tomorrow, but wondered if anyone had come across it before?

Thanks

Matt

Nige F · 8 Jul 2019

Call off the testers - it's Lignacite blocks - my whole house has them

1960's.

noseall · 8 Jul 2019

Nige F said:
Call off the testers

Unless you are allergic to wood chippings...?

^woody^ · 8 Jul 2019

Nige F said:
Call off the testers - it's Lignacite blocks - my whole house has them 1960's.

Iconic.

From their site "Our concrete blocks have been used in many iconic buildings"

I'll be around with coach tour on Saturday. Get the kettle on.

noseall · 8 Jul 2019

That type of block was particularly bad regards wet plaster cohesion. You can almost guarantee the plaster will delaminate from the block behind every radiator in the house.

KenGMac · 8 Jul 2019

Query? Is there any difference between the posted image [Identified as Lignacite block] and Stramit?

Must admit never recall seeing lignacite wondering if it is restricted to an area or region?

The obvious straw like material was making me think of Stramit??

Ken

noseall · 8 Jul 2019

KenGMac said:
Query? Is there any difference between the posted image [Identified as Lignacite block] and Stramit?

Must admit never recall seeing lignacite wondering if it is restricted to an area or region?

The obvious straw like material was making me think of Stramit??

Ken

Stramit boards are sheet material in competition with the likes of Paramount walling and are not blocks. Stramit boards are made up of a woven straw-like material as opposed to chips of wood found in those blocks.

Thomasthepiperson · 9 Jul 2019

Being a 1960s or 1970s home, I would be getting a full asbestos survey before commencing work, I would imagine the house would be riddled with the stuff, unless it’s had it removed

^woody^ · 9 Jul 2019

Thomasthepiperson said:
Being a 1960s or 1970s home, I would be getting a full asbestos survey before commencing work, I would imagine the house would be riddled with the stuff, unless it’s had it removed

That's some imagination.

Not every old house has it, and certainly not riddled in those that do.

Thomasthepiperson · 9 Jul 2019

Any house built before 2000, can potentially contain it. I would put money on a 1970s house having asbestos artex at the very least

Nige F · 9 Jul 2019

My neighbour has 3 of them blocks stacked as a step to his shed - 3 inch thick ones- so that's an art installation worthy of The Tate, as well as iconicary

Leofric · 9 Jul 2019

Thomasthepiperson said:
I would put money on a 1970s house having asbestos artex at the very least

possible but Artex wasn't that much more common than plasterboard and skim was it

Thomasthepiperson · 10 Jul 2019

It depends on how seriously people take asbestos, but I would be wary for a house that age, especially if it’s getting work done. It surely won’t harm to get a surveyor in and sample a few suspect materials?

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Asbestos is Blocks

Leofric

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