Ideal as a facing for existing cavities and niches in walls to provide breeding spaces for Swifts.
Siting & positioning:
Easily attached to rafters, cavities or recesses in walls, using screws and wall plugs (not provided) for the four drill holes.
Cleaning and inspection:
The entrance hole insert is removable by turning it 90°.
Plant fibre and wood-concrete (100% asbestos-free).
• Removeable insert
20 cm x 20 cm x thickness 6 mm.
Thickness of entrance hole insert 3 cm.