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 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 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.
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.
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.
Standard Rebar Lengths in Canada: How Long Is a Bar?
How long rebar comes in Canada: 12 m mill lengths for 10M, 18 m for 15M and up, how cut lengths work, the practical maximum and how to handle runs longer than a bar.
Stirrup Sizes and Hook Lengths for Metric Bars
Stirrup hook lengths, bend diameters and sizes for Canadian metric bars: 90° and 135° hook dimensions, which bar size to use, and how to work out a cut length.
Stirrup Spacing in Beams and Columns
How stirrup and tie spacing is set under CSA A23.3: maximum stirrup spacing in beams, tie spacing in columns, worked examples, and how to count stirrups on site.
Supporting Wire Mesh: Chairs and Spacing
How to support welded wire mesh in a slab: which chairs work on poly and gravel, what height to use, how far apart supports go, and why pulling mesh up fails.
Types of Fiberglass Rebar: Coatings, Colours and Grades
How fiberglass rebar types differ: fibre, resin, CSA S807 grade, surface coating and shape, and why a green, white or black bar colour tells you little.