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5

It is a "design trend" driven by several things boiling down to $$$$ In general ceiling heights in the 1800's were pretty high across the globe, 3.5 meters in Europe was not uncommon. Remember that "nice" single family homes back then were not common among the peasants, the upper class people wanted high ceilings because of several ...


4

You should not mount anything to the beam (A) by drilling in to it. Under load the bottom is under tension and the width of the hole reduces how much the beam can manage. Think of it as cutting a strand in a rope. Theoretically you could saddle the beam with a strap, rope, chain, and cut out a section of sheet rock to allow for play, or have a brace made to ...


2

Check out 4x8 sheets of "sound board" available in the lumber department of your big box stores. Using thermal insulation to muddle sound doesn't add up. My neighbor, a drywaller, put it up throughout his condo unit then drywalled over it. You could just screw it directly into your ceiling then add drywall on top of it. Electrical boxes would need ...


2

There's no reason you couldn't do what you have planned. Suspended ceilings are a decorative feature, and not a structural one, so you can do whatever you like. I assume you'll cut your interior channel and lay it over the perimeter channel as normal, as opposed to somehow replicating the locking mechanical connection you'd normally have between interior ...


2

You need to find the source of the humidity and correct that first before applying and paint shellac or varnish. When you fix the problem you should remove as much of the old paint coating as possible, then paint the surface with a shellac product like BIN Primer before painting. If you do not fix the humidity or the moisture problem from above nothing I ...


1

The NEC doesn't care what type of light fixture you cord-connect as long as you aren't burying the cord The NEC's provisions for using cord-and-plug connections for light fixtures (luminaires) don't discriminate between luminaire types. So, as long as you are using correct clamps in the fixture knockouts to strain-relief the cord to the box, mounting the ...


1

Neutral's on the far left, Switched Live is on the far right, Earth is at the bottom Looking at your ceiling rose and the mixture of old-UK and IEC color coding present there, we can tell from the combination of two blacks and a blue going into the far left block that it's the Neutral (Return) side of this ceiling rose. Given that we know the fixture can't ...


1

It looks like the screw was installed too deep and ripped through the paper and thus has no support. Add a screw flush with the paper 1" away into the joist. Then patch with setting compound and paper tape, finish as usual


1

USG calls this defect joint ridging and offered the following cause and remedy. Cause: All building materials grow or shrink in response to changes in temperature and humidity. When they are confined to a specific space, such as gypsum panels in a partition or ceiling, they are put under stress, either compression or tension, depending on the temperature or ...


1

I don't actually think you have concrete beams in a 10 story building. Concrete is strong but it is not flexible and if you really had a 10 story tall concrete structure the slightest shake would crack the heck out of it and it would come crashing down. I can't see it meeting quake codes. I think you have regular steel I beams that are covered in ...


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