Duct end cap

Closes off the end of a duct run: around the duct (cut round the bare duct) or a closed end, with a return onto the casing.

End caps that close off a run of duct cladding: a frame cut round the bare duct, or a closed end, with a return onto the casing.

Duct end cap — around the duct
bare ductTWidth (W)HMeasure W and H over the insulation.Dashed: the return folds back onto the casing.
Sketch, not to scale
Workshop detailsHow the workshop makes it. You don’t need this to order.

How it's made: Flat layout: a frame in four pieces, or one notched blank, with the returns folded down and lapped at the corners.

Log in to measure this one

The measuring tool — the sizes, the drawing and the cutting file — needs a free CladFab account. It takes a minute to open, and you can use it on your phone on site the same day.

Rather just send us the job? +353 87 212 6144 or send a job to quote — we come back the same day.

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Workshop status · Open Mon–Fri 07:30–17:00 · Taking new trade accounts
CF—2026 / 10 / 26
Where Precision Is Fabricated.
The workshop behind your workshop

Cladfab Ltd — Irish-registered thin-gauge cladding fabricator, full-service site measure-to-make, distributor programme for trade merchants, and an independent supplier of installation hardware. Supplying every insulation, mechanical, HVAC, plumbing and heating trade fitting cladding on the island, from Dublin 12.

Workshop

Cladfab LtdUnit 48, Block 1 Western Parkway Business Park
Ballymount Road Lower, Dublin 12, D12 K0WH
Ireland

CRO: 785946
VAT: IE4410005JH
Hours: Mon–Fri 07:30–17:00
Phone: +353 87 212 6144
WhatsApp: +353 87 212 6144

Standards & Credentials

BS 5422 — insulation thickness
BS 5970 — pipework & ductwork insulation
BESA DW/144 — sheet metal ductwork

SOLAS apprenticeship programme
0.6–0.8 mm aluminium alloy
MABI 16-Z Classic roll-former
DXF cutting files on request
WhatsApp