cabinet ToeKick Drop-in vent Question

[cn]

Hi,

Remodelling a kitchen. House built 1991.
Two (2) supply vents were installed UNDER 2 separate cabinets.

NEW cabinets will sit on top of air vent, with the usual "deadspace of 4" at botom of cabinet acting as deadspace.
I plan to install drop-in vent similar to this:
http://www.classicvents.com/images/products/toekick.jpg

The Question is:
*** The bottom 4" of the cabinet acts like a conduit to push air out of the vent. With the Hot and cold cycles, can the cabinets be damaged?

TIA.

cn
Omaha NE

[cn]

Originally posted by ralphtheplumber
You need to install a register boot behind it. You don't want to just blow it under the cabinet.

http://dwincorp.com/images/p13LG.jpg

The problem is the house was built with "flush mount" floorvent 2 x 10.

The problem is how to turn this 2 x 10 floor outlet into some kind of ductork bending 90 deg to go out to toekick.
The space under the cabinet is only 4" tall so it is a challenge.

*** My other option is line the bottom of the cabinet with some kind of aluminum flashing (the stuff they use for roof gutter flashing). I have a roll of left-over aluminum flashing.
This way the bottom of the cabinet is protected by aluminum. Then the bottom can now act as an air conduit.

I know many people use nothing and simply let the bottom of cabinet acts as a conduit for air. Probably OK but not up to code.

Thanks for any additional advices.

[cn]

I bought some sheet metal from Home Depot.
Built a rectangular channel below the cabinet and channeled the air out of the base of the cabinet.

(The back of the cabinet's BASE is open and therefore I could not use the base air air channel).

So the rectangular ductwork kind of turns 90 deg twice and exits at the cabinet TOEKICK.

It wokrs just great, cool air coming out very nice.

Thanks for all the suggestions.

cn

[beenthere]

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