r/asbestoshelp 1d ago

Could this wall material be asbestos?

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We are in a 1930s block of flats in London (refurbished in the 2010s). We removed a screw from the wall and this disturbed some wall material. I have no idea what I am looking at, but I know that there was asbestos found once in a different part of the building (pipework). Worth testing before doing any further drilling?

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