Unique Roofing System
Unique Roofing System
(OP)
See below pics. Any ideas on the specs/type of system that is? Bulb tees at 32" o/c over Steel wide flange beams. Mid-atlantic state in US, likely 20-30 years old. I DON'T think it's tectum, but I could be wrong if they had some old system.

From Below at a roof opening. You can see the panel edge cut, a bulb tee and the typical underside.

From above
Also, the original roof was a built-up ballasted roof. They removed and replaced with a spray on roof, see below. It makes me think that these panels may not have the uplift capability anymore too, as the original designer likely counted on the ballast to hold these light-weight panels down? Anyone seen this system before?

From Below at a roof opening. You can see the panel edge cut, a bulb tee and the typical underside.

From above
Also, the original roof was a built-up ballasted roof. They removed and replaced with a spray on roof, see below. It makes me think that these panels may not have the uplift capability anymore too, as the original designer likely counted on the ballast to hold these light-weight panels down? Anyone seen this system before?






RE: Unique Roofing System
Can't remember the details
RE: Unique Roofing System
RE: Unique Roofing System
RE: Unique Roofing System
The SPUF roof "covering" is not a good combination for gypsum decks. Both will hold water and SPUFs are notorious for leaking a long time before it shows......increases load!
RE: Unique Roofing System
Had a couple of renovation projects with this type of roof deck recently. Here are a couple good links to get you started:
http://d3110379.u38.hosting-advantage.com/wp-conte...
http://rci-online.org/wp-content/uploads/2012-10-h...
RE: Unique Roofing System
RE: Unique Roofing System
I thought gypsum was mostly phased out by 1980. Almost all of the gypsum decks I've seen are between 1950 and 1970.
RE: Unique Roofing System
@jgailla, turns out I was wrong on the date. Your timeframe is more accurate I believe.
Thanks to all.
Lastly, they butt-welded the curb support angles to the flange of the W8x10 beams. Does anyone else spec RTU frames that way? I typically require welding a plate in.