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DPC detail over RSJs / I-beams

68508224 · 2023-07-19 20:53:19

Hi hoping someone could help regarding the cavity tray over RSJs for our garage door, haven't seen it done before. There's two RSJs (one on each leaf). Wondering is the DPC generally placed on top of the outer RSJ? (See pic attached). Thanks for any help.

19-07-2023 09:53PM

#1

68508224

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Join Date: July 2009

Posts: 119

Hi hoping someone could help regarding the cavity tray over RSJs for our garage door, haven't seen it done before. There's two RSJs (one on each leaf).
Wondering is the DPC generally placed on top of the outer RSJ? (See pic attached). Thanks for any help.

0

Comments

#2 20-07-2023 02:32PM

Mellor

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Yes, that it roughly how it works. But typically in that case DPC aligns to a waterproofing layer. On a flat roof or similar.
The detail is incomplete though. what happens around the beams, where is the door. You are showing a block wall below the beam, which there wouldn't be one there as it's an opening. Draw it all and you'll probably end up with a funny exposed RSL.
Personally I'd be trying to do it with a single beam/lintel hybrid.

1
#3 20-07-2023 04:09PM

sydthebeat

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RSJ WITH WIDE FLANGE WELDED ON

PROPRIETARY LINTEL
https://www.steelite.ie/type-xcl-wil.html
either one of the above lintels would be a better solution, once approved by your engineer

2