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METIMP3 – 9×3 Aluminium Adapter


Specification PDF Connecting Single Imperial Air Bricks with Metric Ducting

The METIMP 9×3 aluminium adapter is suitable for connecting imperial single sized 9×3 air bricks with cutaway back frames to be connected to plastic metric ducting. This includes cavity wall sleeves item CAVHEXT3 and periscope duct item PER. It is preferable to use duct tape when connecting the air brick, adapter and duct to hold the ensemble together whilst mortaring in position.

It is essential to use the aluminium adapter when connecting these air bricks to ducts …

GRID3 – Grid Pattern

Y3 – Y Pattern

VV3 – Victorian Vertical Slot Pattern

HM3 – Hit and Miss

L3 – Louvre


It is not necessary to use the aluminium adapter when connecting these air bricks to ducts although it is essential to use duct tape…..

MAX3 – Max flow

FLY3 – Flyscreen air brick

This is a 9×3 inch aluminium adapter to connect the majority of our imperial single sized air bricks with the metric cavity wall sleeves and metric periscope duct.

It is essential for use combined with duct tape when connecting the following imperial air bricks to plastic ducting as these types of air bricks all have cutaway backs and will not successfully attach to the duct …

GRID3 – Grid pattern square hole cast iron Air Brick

Y3 – Victorian Y pattern cast iron air brick

HM3 and VV3 – Hit and Miss and Victorian Vertical Slotted air bricks

REG3 – Regency Scroll pattern air brick

L3 – Louvre Air Brick

The adpater is not required for attaching MAX3 and FLY3 air bricks to ducting as these air bricks have flat, “box like” backs and are better fixed using duct tape alone…

Please see the spec sheet where we illustrate the fixing of all these air bricks…

Specification PDF for Connecting Imperial Air Bricks with Metric Ducting