18" x 18" Duct End Cap — $43.95
- Width: 18"
- Depth: 18"
- Gauge: 22 ga
- Material: Galvanized Steel
- Connections: Slip & drive
- Fabrication: Made to order in Pittsburgh, PA
- Lead time: Ships in 1 business day
- Returns: Made to order, not returnable
Custom fabricated 18" x 18" rectangular duct end cap in 22-gauge galvanized steel with a 2" slip-and-drive collar. Closes off a trunk run or a cleanout. Made to order.
18" x 18" Duct End Cap: sizing numbers
Worked out from this size's dimensions, so you can check it against your duct design before you order.
| Fits duct size | 18" x 18" rectangular |
| Opening closed off | 2.25 sq ft (324 sq in) |
| Joint length to seal | 72" around |
| Collar | 2" slip-and-drive |
Questions about this size
What size duct does an 18" x 18" end cap fit?
A rectangular duct 18" wide by 18" deep. The cap closes off 2.25 sq ft of opening and has a 2" slip-and-drive collar, so it joins the duct the same way the next section would. The joint to seal is 72" around.
Where is an 18" x 18" end cap used?
At the end of an 18" x 18" trunk run past the last take-off, or over an opening left for cleaning access or a future extension. Seal the joint like any other duct joint so the 2.25 sq ft of trunk behind it does not leak.
What gauge is an 18" x 18" duct end cap made in?
22-gauge galvanized steel. PMX picks the gauge from the distance around the largest opening: an 18" x 18" duct is 72" around, and openings that measure over 54" up to 84" around are built in 22 gauge. The configurator on this page lets you choose 26, 24, 22 or 20 gauge and re-prices it.
How much does an 18" x 18" duct end cap cost?
$43.95 as configured on this page: 22-gauge galvanized steel, made to order. The price comes from the same quoting engine that prices the cart, and changing any dimension in the configurator re-prices it. The same size is $92.70 in aluminum and $141.45 in stainless steel.
Can I order a duct end cap in a different size?
Yes. This page is one published size; the configurator above is loaded with these dimensions and every one of them can be changed to the size you measured, in galvanized steel, aluminum or stainless steel. Each fitting is cut and formed for the order in Pittsburgh, PA.
How fast does an 18" x 18" duct end cap ship, and can it be returned?
It ships in 1 business day from our Pittsburgh, PA shop, by UPS or by LTL freight for large orders, anywhere in the continental US. Shipping is calculated at checkout from the order's weight and destination. Because it is made to the dimensions you order, it is not returnable.
About this size
This page is the 18" x 18" Duct End Cap configuration of our duct end cap. It is cut and formed for this order — nothing here is a stock import part. The configurator above is loaded with these exact dimensions, so you can add it to the cart as-is, or change a dimension and it re-prices instantly.