Insights for building better

Practical guides on estimating, specifying and buying building materials — written by the people who do it, for the people who have to make the numbers work on site.

Materials guide

Rebar Sizes: What to Use and Wher

Reinforcement is where quiet substitutions do the most damage. A practical guide to common bar sizes, how to read a bar schedule, and how to check that what arrived is what you paid for.

BK Admin25 Aug 20262 min read

Materials guide

Choosing the Right Cement Grade for Your Project

Strength on the bag is a starting point. Strength in the structure comes from the mix ratio, the water-cement ratio, compaction and curing — in that order.

BK Admin25 Aug 20262 min read