Rebar Spacing for Concrete Slabs: A Canadian Guide
How rebar spacing for a concrete slab is set in Canada: reading 10M @ 400 EW, minimum and maximum spacing limits, slab thickness, and laying out a grid.
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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.
Rebar Stirrups vs Ties: What Is the Difference?
Stirrups vs ties in reinforced concrete: what each one does, where they go, how they look on drawings, hoops and spirals, and the tie wire mix-up explained.
Rebar Tie Wire: Sizes, Galvanized and Coated
Standard rebar tie wire size, when to use galvanized, coated, stainless or nylon ties, whether tie wire rusts, tie types, and how to estimate wire for a job.
Rebar Weight Calculator: Convert Bar Lengths to Tonnes
Turn rebar lengths into kg and tonnes: metric bar weights, quick lookup tables per bar, per tonne and per square metre of mat, plus a worked bar list example.
Rebar Weight Chart Canada: kg per Metre for Every Bar Size
Canadian rebar weights for 10M to 55M in kg/m, kg/ft and lb/ft, plus the weight of a full bar at common lengths and the weight of a rebar mat per square metre.
Rebar Weight Formula: How to Calculate kg per Metre
The rebar weight formula explained: area × density, the d²/162 shortcut, the imperial version, why 10 does not go in for 10M, and how to check a bar by weighing it.
Rebar Weight per Foot Chart for #3 to #9 Bars
Rebar weight per foot for US #3 to #11 bars, weight of 20, 40 and 60 ft bars, feet per ton, and the matching Canadian metric bars in lb/ft and kg/m.
Removing a Load-Bearing Wall in a Two-Storey or Split-Level
How removing a load-bearing wall changes by floor: main floor of a two-storey, second floor, bungalow and split-level, and where the posts and footings end up.
Renting a Rebar Bender vs Ordering Pre-Bent Rebar
When renting a rebar bender or cutter makes sense, what the rental tools handle, the hidden costs of bending on site, and when pre-bent rebar from a shop wins.
Replacing a Rusted Steel Lintel: Process and What Drives the Cost
How to tell when a rusted steel lintel needs replacing, how replacement works, who does the work, and what drives the cost of steel lintel replacement in Ontario.
Replacing a Wood Basement Beam With Steel
When to replace a sagging or undersized wood basement beam with a steel I-beam, how the swap is shored and sequenced, and how posts, bearing and height are handled.
Retaining Wall Rebar: Footing and Stem Spacing
Where rebar goes in a concrete retaining wall footing and stem, how spacing and cover are set in Ontario, and the detailing mistakes that put bars on the wrong face.
Risks of DIY Load-Bearing Wall Removal
What happens if you remove a load-bearing wall without support, the damage a botched DIY job causes, what removal kits miss, and the permit fallout in Ontario.
Round vs Square Stirrups for Columns and Piers
When columns and piers get circular ties, spirals or square ties, what CSA A23.3 asks of each, why square ties fit round piers poorly, and how each is ordered.
Section Properties of HSS, Channel and Angle: Where to Find Them
Where to find moment of inertia, section modulus and other section properties for HSS, C-channel and steel angle in Canada, and how to read them correctly.
Setting a Steel Beam on Wood Posts
Can a steel beam sit on wood posts? What the Ontario Building Code says about wood columns, how the connection is detailed, and when steel posts fit better.
Setting Steel Columns on Footings and Pedestals
How steel columns sit on concrete footings, pedestals and slabs: when a pedestal is used, anchor rods and ties, elevations and grout, and fixing misplaced rods.
Shed Slab Rebar: What a Small Building Needs
Do you need rebar for a shed slab in Ontario? Permit-exempt sheds, rebar vs mesh, typical spacing, thickened edges, and how much rebar a shed slab takes.