When ventilation or vision is a requirement we can provide slats with a 25mm x 100mm slot or full perforation on any number of slats or the whole curtain.
Hand operated doors are fitted with sliding shoot bolts that accept padlocks. Chain operated and motorised have a wall mounted chain lock. Shoot bolts are available but not recommended for motorised doors
For a weathertight seal on sloping surfaces, or when gutters or traffic islands need to be overcome.
3 modes of operation are available. Hand op, Chain op, or motorised with control options to suit your needs. See our Grifco page for Chain and motorised options