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Roof Top Unit Connection to existing structure

Roof Top Unit Connection to existing structure

Roof Top Unit Connection to existing structure

(OP)
How do you connect a roof top unit to the existing metal roof without having to add a platform on top of the roof. I know I acn reinforce th existing framing but how to detail the connection through the metal deck.

RE: Roof Top Unit Connection to existing structure

Cut a hole through the deck and fasten to the steel members below.

BA

RE: Roof Top Unit Connection to existing structure

Set the unit on a metal rim that is mounted to wood sleepers spanning between the metal joists. This will allow for proper sealing and flashing of the roofing.

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com

RE: Roof Top Unit Connection to existing structure

Is this metal roof deck with some type of built up roofing, or it is metal roofing?

RE: Roof Top Unit Connection to existing structure

One of my employers in SoFla was within shopping cart push distance of a scrap metal dealer.

He lost more than 20 rooftop condensers to junkie metal thieves before ending up with a welded cage around the units that was bolted to the structure below the roof.

Even if you don't feel the cage is justified now, do your client a favor and try to detail your setup so that such a thing is relatively easy to implement in the future.

Mike Halloran
Pembroke Pines, FL, USA

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