Technical data sheet
by Cast Iron Air Brick Company
A period property cast iron air brick made in three parts suitable for bug and rodent protection. Consists of cast iron square hole front, copper fly mesh and cast iron frame all secured together with 4 stainless steel machine screws. Large cast iron square holes on the front plate allow for generous free area despite the mesh being fitted. Mainly used as an exterior air brick to supply natural ventilation to interior rooms and also sub floor ventilation to prevent damp and dry rot. It can also be used as an extractor outlet vent grille over ducting. The larger FLY9 is especially useful for providing higher volume ventilation for properties with damp and condensation problems.
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