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Author: Bartosz Achterberg-Nowak

Concrete does not fail because of the concrete. It fails because the ground underneath was wrong, the weather was wrong, or somebody added water on site to make life easier. I write about the sub-base, the curing and the joints — the three things nobody photographs and everybody skips. Forty-three years of pours taught me that the pour itself is the easy part and the hour before it decides everything.
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  • Bartosz Achterberg-Nowak
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Finishing Too Early Traps Bleed Water
11 min 0
  • Concrete

Finishing Too Early Traps Bleed Water

  • Bartosz Achterberg-Nowak
  • May 19, 2026
You can spend all day watching YouTube videos on how to finish a concrete slab,…
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Thickness Driven by the Heaviest Vehicle
8 min 0
  • Paving

Thickness Driven by the Heaviest Vehicle

  • Bartosz Achterberg-Nowak
  • May 19, 2026
I was standing on a job site in late November, watching a lad try to…
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Never Connect Rainwater to Foul
8 min 0
  • Groundwork

Never Connect Rainwater to Foul

  • Bartosz Achterberg-Nowak
  • May 17, 2026
I remember standing on a site in the Midlands back in ’94, watching a lad…
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The Complete Guide to Rendering
8 min 0
  • Guides

The Complete Guide to Rendering

  • Bartosz Achterberg-Nowak
  • May 17, 2026
I’ve lost count of how many times I’ve stood in front of a house where…
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The Complete Guide to Masonry Cracking
8 min 0
  • Guides

The Complete Guide to Masonry Cracking

  • Bartosz Achterberg-Nowak
  • May 12, 2026
I spent thirty years watching blokes buy the most expensive, high-spec mortar mixes on the…
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Weep Holes and Free Draining Fill
8 min 0
  • Masonry

Weep Holes and Free Draining Fill

  • Bartosz Achterberg-Nowak
  • May 11, 2026
I remember standing on a site in Gloucestershire back in ’94, watching a lad pour…
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Honeycombing Is a Compaction Failure
8 min 0
  • Concrete

Honeycombing Is a Compaction Failure

  • Bartosz Achterberg-Nowak
  • May 10, 2026
I remember standing on a site in the pouring rain back in ’94, watching a…
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A Driveway Slab That Takes a Delivery Lorry
11 min 0
  • Paving

A Driveway Slab That Takes a Delivery Lorry

  • Bartosz Achterberg-Nowak
  • May 8, 2026
I once stood on a job site in 1994, watching a lad try to smooth…
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Getting Invert Levels Right First Time
8 min 0
  • Groundwork

Getting Invert Levels Right First Time

  • Bartosz Achterberg-Nowak
  • May 7, 2026
I remember standing on a site in ’94, watching a lad try to use a…
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Resin Jointing in the Right Conditions
8 min 0
  • Paving

Resin Jointing in the Right Conditions

  • Bartosz Achterberg-Nowak
  • May 6, 2026
I’ve lost count of how many times I’ve stood on a driveway, looking at a…
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