AusRenovation

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lodion@aussie.zone

Patching a hole in the ceiling floor (infosec.pub)

submitted 1 month ago* (last edited 1 month ago) by Taleya@aussie.zone to c/ausrenovation@aussie.zone

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Working on the never-ending basement brewery and we have this: old piping installation holes, leading into the kitchen above.

That grey subfloor is asbestos hardiboard. We are going to eventually redo the kitchen - just not this year (priorities, man!) what would be the best way to cover this from the basement side? gut says just gluepaint to encapsulate and a piece of ply to hide the holes, sound idea?

Edit: ok cos there seems to be repeated confusion: These are holes in the CEILING of a basement brewery leading to the asbestos floored kitchen ABOVE.

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[–] Semester3383@lemmy.world 1 points 1 month ago

Not Australian, so take this as the uninformed opinion of someone that's done home renovations in different places in the US.

Hardiboard is a bit unusual for a subfloor; usually it's OSB, plywood, or boards, and concrete fiberboard would only be used on top of that if you were putting tile down. Did (does?) building code in Australia call for using concrete fiberboard on top of all subfloorings for fire resistance?

Anyway, asbestos in concrete fiberboard is a not an immediate significant concern for the health of occupants. Unless you plan on cutting it and producing dust, there's no real worry. I wouldn't do anything with it at this time. If you're going to have cabinets on top of it, I wouldn't even bother putting a patch on the top of it. When you redo the kitchen, I would suggest consulting with a licensed contractor; removing and installing new flooring on top of the concrete fiberboard might be enough to release a small amount of asbestos. Completely removing the hardiboard would absolutely require an asbestos remediation contractor in the US. Well, legally, anyways; you can get away with doing a lot of shit as long as you never have code inspection.