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Island Range Hood Shroud

3/30/24       
Vince Member

I have been asked to fabricate a range hood shroud as is shown in attached image.

While I am comfortable designing the upper and lower frame and panel covers as panels glued together, the large section is giving me pause.

The large section will measure approximately 51"× 144" × 16" tall.

Does anyone have any advice on how to approach fabricating this to hold the weight of itself, upper and lower duct covers, as well as the 150lb hood unit and inline blower?

While I first envisioned building it with cope and stick soft maple frames, I am beginning to wonder if that is asking for trouble with aesthetic cracking in the future. With this route, the ply would need to be glued into the grooves; I typically leave all panels/ply unglued with spacers.


View higher quality, full size image (1078 X 570)

3/31/24       #2: Island Range Hood Shroud ...
Dustin orth

Why not have a metal shop fab up an aluminum frame then attach the panels to that?

4/1/24       #3: Island Range Hood Shroud ...
Dave Edgerton  Member

Walk away man. Seriously. Get them to buy a pop up ventilation kit from jenn air

4/1/24       #4: Island Range Hood Shroud ...
Tom Gardiner

Small footprint (headprint?) On the ceiling. Would have to heavily brace above the drywall to get a stable connection. I would not touch this job.

4/1/24       #5: Island Range Hood Shroud ...
Chris H

Website: http://www.lamellousa.com

Vince,
I tend to agree with Dave - this looks it could be a headache and that design is well... interesting. However, if you need to pull this off, I think it could be a job for Lamello P-System connectors. They're invisible (or nearly invisible), self-clamping connectors that can be used in miters and bevels. Range hoods are a common application for P-System, especially for removable panels (see attached application card).

Click the link below to download the file included with this post.

Range_Hoods_with_P_System.pdf

https://www.csaw.com/p-system/

4/1/24       #7: Island Range Hood Shroud ...
Yavuz Member

This look like is wrapping a column.Involves metal fabrication and wood mixed.Aluminum skeleton over wood panels. nothing wrong if they are willing to pay and if you have a skilled metal guy handy.

4/1/24       #8: Island Range Hood Shroud ...
Vince Member

I mig weld. I could easily fabricate a frame from angle iron for it.


Should I be concerned about the joints on the corners opening up? I had planned to use cope and stick on the bottom, and biscuits and edge glue for the vertice Sitting stiles.
4/2/24       #9: Island Range Hood Shroud ...
Al

I would make the frame with angle iron like you suggest. At bottom of each angle weld 1/4 thick tabs and tap holes maybe 1/4” or 5/16” thread. A 3/4” plywood piece
a little smaller than hood in width and length gets mounted to angle iron corners and bolts into threaded holes. Possibly have someone make a stainless steel sheet to cover plywood or edge and paint to match rest of woodwork. Slip everything over angle up to ceiling then mount plywood. Hood now attaches to plywood like a normal cabinet. You may want to apply 1/4” ply to vertical angle or appropriate insulation so you eliminate heat build up.

6/21/24       #10: Island Range Hood Shroud ...
Vince Member

Thanks for the ideas guys!

6/21/24       #11: Island Range Hood Shroud ...
Vince Member

.


View higher quality, full size image (4000 X 3000)


View higher quality, full size image (4000 X 3000)

6/21/24       #12: Island Range Hood Shroud ...
Dustin Orth  Member

Nicely done! Did it go together as you expected? Thanks for the final results, a lot of times no one gets to see the end of someone asking a question.

6/21/24       #13: Island Range Hood Shroud ...
Yavuz

That's what i am talking about. Awesome !

6/21/24       #14: Island Range Hood Shroud ...
Vince Member

Thanks guys.

Dustin, yes it went together well. It was challenging to install, but of course, would be easier the next time.

We bolted to 2.5" channel laid on the rafters (there's an attic, two vaulted "ceilings").

Used two come-alongs to raise it.

The hardest part was drilling through the metal for the 1/2" bolts. Took 3 guys, one with a right angle drill, one steadying the drill, and one on a 10 foot 2x4 as a lever.


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