Swift Nesting Brick Box / Black Breeding Bird House Workshop Consumables Air bricks to be used

Air bricks to be used in conjunction with cavity sleeves for ventilation through external walls to a building interior

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Takes the place of a single 9" x 3" brick

Timloc loft access doors contain polystyrene insulation with a Thermal Conductivity of 0

Pack of 100

Swift Nesting Brick Box / Black Breeding Bird House Workshop Consumables Air bricks to be usedProduct Description Black Swift Nesting Brick Box Pack of 1 Black swift breeding nest brick box. For new build and modern brick houses. Takes the place of a single 9" x 3" brick. Can be fitted quickly during the bricklaying. Back of the box installs into a cavity wall with a minimum width of 100mm. Coloured face blends with the surrounding masonry. Developed in conjunction with major house builders and conservation experts. Provide a safe, spacious