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Field notes from the crew

Concrete articles.

Practical write-ups on how good concrete work actually gets done, from placement and finishing to curing and long-term durability.

Concrete crew finishing a freshly placed slab beside a Treasure Valley home
01 · 9 min read

How to Finish Concrete Like a Pro

Placing, screeding, floating, jointing, troweling, texturing, and curing — the ten finishing operations that decide how a slab looks, drains, and wears, and how to read the concrete for the right timing on each one.

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Freshly placed concrete slab being worked before the bleed water rises
02 · 12 min read

Concrete Mix Design Water Content and its Effect on Concrete Strength

How the water-cement ratio controls strength and durability, why adding water at the jobsite is expensive later, what water reducers actually do, and how entrapped and entrained air change the way concrete survives freeze-thaw weather.

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Ready-mix concrete discharging from a truck chute on a Treasure Valley jobsite
03 · 6 min read

What is Concrete Slump?

What the slump test actually measures, how it is performed step by step, the difference between a true, shear, and collapse slump, and why high-slump concrete is not automatically weak concrete.

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Hand-finished concrete flatwork edged and broomed by a Castellano Concrete crew
04 · 7 min read

How Old-Timers Poured and Finished Concrete

Wheelbarrows, hand screeds, wood floats, knee boards, and site-mixed batches — how concrete work was done before pumps and power trowels, and which of those hard-won habits still matter on a modern jobsite.

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Finished residential concrete driveway showing clean joints and a uniform broom texture
05 · 9 min read

A Brief History of Concrete and How Concrete Mixes Have Changed

From Roman pozzolana and the Pantheon dome to Portland cement, reinforced concrete, ready-mix plants, admixtures, and supplementary cementitious materials — how the recipe evolved and what stayed the same.

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