Informative is where I post general notes and observations from working with concrete and cement-based materials.
These aren’t always step-by-step tutorials. They’re more like field notes: what’s changing in materials, what works in practice, and how to think about common problems before they happen.
If you like the “why” behind the how-to guides, you’ll probably enjoy this section.
Introduction A bonding agent is a coating that helps new concrete grab onto old concrete, while cement slurry is a thin mix used to dampen and bridge the surface for bonding. In practice, you choose one or the other based on how you plan to join the pours and how the surface looks and feels. […]
Bonding Agent vs Cement Slurry: Best Ways to Bond New Concrete to Old Read More »
Introduction A cold joint is a weak seam where a new layer of concrete fails to bond to the layer beneath it. They form when pours are interrupted or vibrations stop before the new mix is integrated with the old. Conditions like long wait times, cold temperatures, or poor surface prep can make it worse,
How to Prevent Cold Joints in Multi-Bag DIY Pours Read More »
Introduction A slump test measures the workability of fresh concrete by using a cone and watching how much it settles. Key takeaways Understand the slump test measures concrete consistency by observing cone collapse height. Check tools: slump cone, trowel, sampling scoop, and clean curing surface. Follow a step-by-step procedure to ensure consistent results and repeatability.
DIY Slump Test: How to Make a Slump Cone and Read the Results Read More »
