Steel Pergola & Outdoor Rooms
Built for Hallmark Homes, Oakbridge showhome · Christchurch · Photography by Anna McLeod Photography
View the case study →Pergolas · Collection
Architectural steel pergolas and outdoor-room framing. Clean welded sections that span wide and cantilever clear of posts, so you keep your views and your deck clear of legs, and tie into the architecture. We fabricate to your architect’s or engineer’s design, welded to their exact specifications, and make the steel structure only; the roof (louvres, slats or glass) is arranged separately through your builder. Engineered to New Zealand standards, with a PS3 producer statement from Bromley Steel when your project needs one.
Why steel, not aluminium
Steel is far stronger than aluminium, so a single steel frame carries the same roof across a much wider span with fewer posts, and often none where a leg would get in the way. Where a standard aluminium kitset drops a post into the middle of your deck or across a sightline, we set slim steel columns at the edges and span the rest.
Wider spans let posts sit at the edges, or drop out entirely, so nothing blocks a view, a walkway or the middle of your deck.
Engineered to your exact terrace and roof, not trimmed to fit from a fixed kitset module.
Powder-coated to any shade you choose to match your colour scheme, the most durable finish for a structural outdoor frame.
Heavy steel sections that span wide and cantilever, shelter without a forest of posts. Built ready for the roof of your choice.
Welded steel framing that defines the room and carries the roof. Engineered for living outside, year round.
Engineered to code, with a PS3 producer statement from Bromley Steel when your build needs one.
ARC fabricates structural steel pergolas and outdoor-room framing to your architect’s design and exact specifications, clean welded sections that span wide and cantilever clear of posts. We can also design and build to your brief. We supply the steel structure only; the roof (louvres, slats or glass) is arranged separately through your builder or supplier. Engineered to New Zealand standards, with a PS3 producer statement from Bromley Steel available when your project requires one, and made in Christchurch for Canterbury, Queenstown, Wānaka and Central Otago.
No, ARC supplies the structural steel only. We design and build the steel frame to carry the roof of your choice; the louvres, slats or glass are arranged separately through your builder or a roofing supplier.
Yes, every steel frame is engineered by Bromley Steel and built to stand against the southerly. Where your project needs building consent we can provide a PS3 producer statement for our fabrication; smaller structures that don't require consent won't need one.
Yes. We install throughout Canterbury, and deliver steel pergolas and outdoor rooms across the South Island.
Steel is much stronger than aluminium, so it spans further with fewer posts, keeping views and decks clear where a kitset would need a leg. Every steel pergola is also made to your exact size and finished in any colour, rather than a fixed kitset in a few stock shades.
Engineered by Bromley Steel
ARC is the design studio of Bromley Steel. So every piece is backed by a commercial fabrication shop, certified welders and engineering sign-off. Beauty you can specify with confidence.