Arc Engineering’s offsite manufactured balcony division Perch Swift Fit Balconies have just completed the design, supply & fit of 190 balconies to Clay Farm Phase 3. Mild Steel Galvanised & powder coated Balconies with aluminium flashings, complete with Composite timber decking & galvanised powder coated balustrades with glass infill. All fully assembled in our factory & delivered to site ready for fitting.