I don't actually know but aren't they just washers?
You wouldn't want steel ones which would rust as well.
You wouldn't want steel ones which would rust as well.
Well,yes, as I said ....I don't actually know but aren't they just washers? ... You wouldn't want steel ones which would rust as well.
... but as I also said ....... (giant ceramic washers, I suppose!) ....
However, that [ avoidance of rust problems ] would apply to anything screwed into [ potentially damp ] walls, but I can only recall ever having seen such 'insulators' (giant ceramic washers, I suppose!) used on 'electrical boards'.
One imagines that they would probably have metamorphosed into plastic ones by now. Plastic washers of all types (including cup washers) are certainly available.I thought they were just ceramic cup washers. ... Not that I can find any on eBay (only steel ones). Unless they've stopped making them/using them?
Sure, that's what the the ceramic spacers between board and wall were (I've got dozens of them!) - and, as you say, there are modern equivalents. However, we're talking about the giant ceramic 'cup washers' that were often seen on the front side of the board (i.e. 'supporting' the screw head).They are just to space the backer board off the wall to lessen the effects of damp on it. There is a modern equivalent which is just a plastic tube.
Today they probably would (and we no longer use ceramic cup washers, or whatever you want to call them), but brass would have been a much more credible thing for you to ask about in relation the past.I am surprised that they never thought of using Stainless Steel Screws to mount the boards with!
Sure, that's what the the ceramic spacers between board and wall were (I've got dozens of them!) - and, as you say, there are modern equivalents. However, we're talking about the giant ceramic 'cup washers' that were often seen on the front side of the board (i.e. 'supporting' the screw head).They are just to space the backer board off the wall to lessen the effects of damp on it. There is a modern equivalent which is just a plastic tube.
Kind Regards, John
What were the cylindrical ceramic spacers (of which I have a boxful in my cellar) then? I could have sworn that they used to go between boards and wall.The ceramic cup washer was used on the front and back of the board, all identical.
What were the cylindrical ceramic spacers (of which I have a boxful in my cellar) then? I could have sworn that they used to go between boards and wall
Thanks for confirming - as I said, that was what I thought.They still do, the cup type I've never seen fitted as new since I joined the industry but seen many in use on older installationsWhat were the cylindrical ceramic spacers (of which I have a boxful in my cellar) then? I could have sworn that they used to go between boards and wall
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