In days gone by, architects and and building regulations specified Air Bricks widely for ventilating of rooms, under floors, bathrooms and more.The bricklayer builds the Air Brick into the wall so that is sits flush with the outside surface. If the wall will be plastered, he may let it protrude by about 20mm.
Vanstone manufactures traditional Air Bricks in precast concrete in the same shape and size as earlier baked clay Air Bricks. The 220mm x 160mm x 50mm size fits in with a standard brick gauge.
Vanstone’s Air Bricks come in natural grey and terracotta colours and with the back side covered with insect gauze