Is Rebar Galvanized? Black Bar vs Galvanized Rebar
Most rebar is not galvanized. How to tell black bar from galvanized rebar, when zinc coating is worth it, whether galvanized rebar rusts, and what Grade 60 means.
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Steel & Rebar Guides
Straight answers on rebar, structural steel, beams, lintels and fabrication, from the team that cuts, bends and welds it every day.
Joining and Welding C-Channel: Connection Details
Yes, structural C-channel welds well. How channels are spliced, joined at corners, boxed, built up and connected to columns, walls and concrete.
Joist Hangers for Steel Beams
How wood joists are hung from a steel I-beam: bottom flange bearing, wood fillers and hangers, top-flange hangers, welded seats, and what the Ontario code requires.
Lally Column and Steel Post Cost in Canada: What Drives the Price
What sets the cost of a lally column or steel post in Canada: section, length, plates, finish, footings, permits and installation, and how to get a firm quote.
Lally Column Cap and Base Plates Explained
What lally column cap and base plates do, the Ontario minimum plate size, top plates for wood vs steel beams, base plates on footings, and loose vs welded plates.
Lally Column Footing Requirements in Ontario: Size, Thickness and Slab Rules
Do lally columns need footings in Ontario? The 2024 OBC footing rules for basement columns: pad area, thickness, soil, slab and when a pad must be engineered.
Lally Column Sizes: Diameters, Heights and Wall Thickness
Common lally column sizes explained: 3 in to 4 in diameters, gauge vs Schedule 40 walls, heights, the Ontario 73 mm minimum, and how the size is chosen.
Lally Column vs Wood Post: Which Is Better for a Basement?
Steel lally column vs wood post for basements in Ontario: code minimum sizes, why a 4x4 falls short, moisture and rot, space, and when each one makes sense.
Lally Columns in Garages, Decks and Crawl Spaces
Can lally columns be used outside? How steel columns fare in garages, on decks and in crawl spaces, what the Ontario code requires, and when HSS is better.
Lap Length and Splice Zones for Beam and Column Rebar
Where to lap beam and column rebar and how long the laps are under CSA A23.3: top and bottom bar splice zones, column laps above the floor, and seismic limits.
Lap Splice and Development Length for Epoxy-Coated Rebar
How epoxy coating lengthens lap splices and development length under CSA A23.3, when the factor is 1.2 or 1.5, a worked lap chart, hooks and couplers on coated bar.
Lateral Bracing and Unbraced Length of Steel Beams
What unbraced length means for a steel beam, how lateral-torsional buckling works, and what counts as a brace: joists, deck, kickers and knee braces.
Load-Bearing Wall Removal Cost in Ontario and the GTA: What You're Paying For
What makes up the cost of removing a load-bearing wall in Ontario and the GTA: engineering, permit, shoring, services, the beam, posts and finishing.
Loose Steel Lintels: What They Are and Typical Details
What a loose steel lintel is, how it differs from a hung lintel or shelf angle, typical angle lintel details for masonry, and how to read a steel lintel schedule.
Masonry and CMU Rebar Shop Drawings Explained
How rebar shop drawings for concrete block walls work: wall elevations, cell locations, bond beams, dowels, lift heights, bar lists and who supplies the steel.
Maximum Rebar Spacing: What CSA A23.3 Allows
The maximum and minimum rebar spacing CSA A23.3 and A23.1 allow in slabs, plus the separate limits for beams, column ties and stirrups, with worked numbers.
Minimum Clear Spacing Between Rebar in Beams
Minimum clear spacing between beam bars under CSA A23.1, compared with ACI 318 and Eurocode 2, with minimum beam widths for 2 to 6 bars and how layers work.
Miscellaneous Metal Fabrication: What to Expect
What miscellaneous metal fabrication covers, how it differs from structural steel, how misc steel is quoted, drawn and installed, and the scope gaps to watch for.