Swift Nesting Brick Box / Grey Breeding Bird House Cavity Sleeves the panel can be rolled

the panel can be rolled out over several rafters to create a ventilated gap beneath the felt running the span of the roof

1/4" - Qty 15

Buff Tunnel Weep Vents

Maximum jaw width: 50mm

Swift Nesting Brick Box / Grey Breeding Bird House Cavity Sleeves the panel can be rolledProduct Description Grey Swift Nesting Brick Box Pack of 1 Grey 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 and