Rebar for Suspended and Elevated Concrete Slabs
How suspended and elevated concrete slabs are reinforced: top and bottom bars, one-way vs two-way slabs, CSA A23.3 limits, steel deck and second floor slabs.
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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 Grades in Canada: 400W vs 500W Explained
Canadian rebar grades under CSA G30.18: what 400W, 500W and the R grades mean, yield and tensile strength, markings, and how they compare to US Grade 40 and 60.
Rebar Hook Length: Table and Formula for 10M to 55M Bars
Rebar hook lengths for 90° and 180° hooks on 10M to 55M bar, the RSIC formulas behind them, bend radius by size and how hooks feed into a cut length.
Rebar in Concrete Beams: Placement Basics
Where rebar goes in a concrete beam: bottom and top bars, stirrups, cover, bar spacing and layers, supporting the cage, tie beams and what to check before the pour.
Rebar in Concrete Block Walls: Spacing and Grouting
How rebar goes into concrete block walls in Ontario: OBC spacing for reinforced block foundation walls, bond beams, joint reinforcement, dowels and grouting cells.
Rebar in Concrete Sidewalks and Walkways
Do you need rebar in a concrete sidewalk or walkway? When steel helps, rebar vs mesh, how walkway rebar is laid out, and what matters more in Ontario winters.
Rebar in Sonotubes and Concrete Piers
Do sonotube piers need rebar? What the Ontario code says, how pier rebar is usually laid out, fitting bars in round forms, and a note on rebar in concrete stairs.
Rebar Installation Cost: What Drives Supply and Install Pricing
What drives rebar installation cost: bar size, element type, congestion, access, hoisting, accessories and schedule, plus supply-and-install vs place-only quotes.
Rebar Lap Splice Length Chart for Metric Bars
Lap splice lengths for 10M to 35M rebar worked out from the CSA A23.3 simplified method, with every assumption stated, plus what changes the lap on your job.
Rebar Mesh Price: What Affects the Cost of Wire Mesh and Rebar Mats
What drives rebar mesh price: wire size and spacing, sheets vs rolls, coatings, laps, freight and placing. Learn how to read mesh designations and compare quotes.
Rebar Overlap in Slabs and Concrete Pads
How much rebar should overlap in a slab or concrete pad, why nominal slab steel still needs a full lap, how to stagger and tie laps, and when to skip laps entirely.
Rebar Placement Drawings: What Contractors Need
What rebar placement drawings include, what to give your detailer, how the approval loop and pour releases work, and how to handle changes without delays on site.
Rebar Placement Tolerances Under CSA A23.1
How rebar placement tolerances work in Canada: what CSA A23.1 covers, the published OPSS 905 table for Ontario road work, ACI 117 values, and site checks.
Rebar Price in Canada: What Drives the Cost per Tonne and per kg
How rebar is priced in Canada per tonne and per kg, what moves the market (scrap, trade measures, the dollar) and how to compare rebar quotes on an even basis.
Rebar Quantity for Concrete Beams: How to Calculate
How to calculate the rebar in a concrete beam: bottom bars, top bars, extra top bars over supports, stirrups and hooks, with a full metric worked example.
Rebar Quantity for Concrete Columns
How to calculate column steel: vertical bars, laps, ties and dowels, the 1% to 8% limits in CSA A23.3, kg per metre by column size, and a worked example.
Rebar Shop Drawing Abbreviations and Notation
A plain-English legend for rebar shop drawing abbreviations used in Canada: layers and faces, locations, bar types, splices, joints and the specialty bar prefixes.
Rebar Spacing Calculator: Formula and Examples
Calculate rebar spacing three ways: from the steel area you need, from a bar count across a width, and across a beam. Metric formulas, CSA limits and examples.