British Products Made in British Foundries

HitandMissAirBricksHM3FrontHM3stavikstavik lighthousecavhext3

HM3 Air Brick


9 x 3 Hit and Miss Air Brick in a bare finish.

A very popular item and our only adjustable vent in this size.  We regularly export this air brick to numerous countries, particularly USA, Canada and colder northern countries including a Swedish lighthouse and properties in Denmark and Norway were the ability to close off the air is especially useful.

Product specifications can be found in the table below.

Item Nom. Size (Inch) Size (mm) Vent Size (mm) Weight (kg) Air Flow (mm2) Plate Thickness (mm) Reverse Depth (mm)
HM3 9 x 3 225 x 75 8 x 55 0.8 4500 4 30