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jettamadnesa 03-16-2014 09:44 PM

what is this ceiling material?
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My house was built in 1960. One-story, this is the ceiling above my dining room. I had a roof leak so I went to investigate in this area where it was leaking. This board material sits between the drywall and trusses. I've never seen it and was wondering if anyone knows what it is. Those rusty spots are staples that hold in the individual wires running through the board. It feels stronger than a drywall board...almost like a concrete.

Any help is appreciated.

joecaption 03-16-2014 09:58 PM

At one time that house had in the ceiling heat.
One of the silliest ideas in building history.
Heat rises, makes for nice warm ceilings nothing else.
Is it still working? Most people have gone to a different system years ago for heat when it fails.

jettamadnesa 03-16-2014 10:05 PM

That would make sense. In each room there are "temperature dials" and we never knew what sort of heating that would control. They look cool but are of no use anymore...HVAC now. I was just a little worried since I will be cutting out a pretty good area there to fix. Do you know if that stuff is difficult to cut through?

Can you tell me if there is a name for that stuff? I'd really like to research it just to learn more.

joecaption 03-16-2014 10:14 PM

Is it bad or just the sheetrock that needs replacing?
Have you been in the attic and removed the insulation and trashed it?
100% sure the circuit that powers that old wiring has been disabled?

gmaint 03-17-2014 07:07 AM

I despise ceiling heat like that, so does the fire dept. Had a fire at an apt complex several years ago, the fire fighters were doing the standard open ceiling action and they got tangled in wire. Needless to say I had to identify every building that had this stuff.
Might be a good idea to let your local FD know about this.

joecaption 03-17-2014 07:24 AM

Good point g.
In some cases the roof needs to be vented in a fire to lower the temp. and get rid of some of the smoke.
You make a hole in the roof then have to punch through the ceiling with a Pike pole. Going to be fun busting through that stuff. Someone's going to loose a pole.
Ceilings need to be pulled down to check for hidden fires.
The good thing is with two layers like that the fire would be more likely to stay in that one room if someone closed the door before running out.

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