Search Results for: cement based filler

Unfinished multi-story concrete building structure outdoors

Self-leveling overlays on concrete: dams, primers, and stopping pinholes and ripples

Introduction Self-leveling overlays are pourable surface toppings designed to flow into low spots and produce a flat, smooth concrete surface. They rely on proper surface preparation, containment dams at edges, and primer or bond agents to promote adhesion. Always follow the material manufacturer’s instructions for mixing, compatibility with the concrete, and cure requirements. Before you […]

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Stone water well with bucket hanging on pulley system

Choosing the right concrete crack repair for your situation: movement, width, and water

Introduction Choosing the right concrete crack repair depends on movement, width, and water exposure. This article explains how these factors guide material choice and repair approach. It keeps the guidance practical and focused on real‑world DIY work. Cracks come from settlement, drying shrinkage, or load stress, and they vary from hairline to wider gaps. Prepare

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Fresh concrete poured into yellow wooden formwork

Rock Pockets on Formed Concrete Faces: Prevention During Pour and Durable Cosmetic Repairs

Introduction Rock pockets are hollow spots or voids that appear on the surface of formed concrete faces. They form when aggregate or cement settles away from the surface during pour, leaving visible pockets. Proper formwork, consistent pour, and careful surface preparation help prevent them. Symptoms include small pits and rough spots on the face that

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Concrete ceiling with dark patched spalling repair areas

Edge Spalling at Concrete Joints: Why It Happens and How to Detail Joints to Stop It

Introduction Edge spalling at concrete joints is when the concrete along the joint flakes or chips away. It often shows up where the edge is thin, stressed, or exposed to moisture. A straightforward fix is to prepare the edge, restore sound support, and plan better joint detailing. To detail joints so it stops, use properly

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Concrete being smoothed with a long-handled screed tool

Crazing and Hairline Map Cracks in Concrete: over-Finishing Clues and How to Keep It Subtle

Introduction Crazing and hairline map cracks are shallow surface cracks that occur when the concrete surface dries or finishes too aggressively. They often appear as a fine web across the countertop and can be subtle or noticeable. This article explains how to recognize them and what to check to keep finishes from looking overworked. Drying

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Worker smoothing new concrete floor with hand float

Bonding New Concrete to Old Work: Scarify Vs Grind Vs Acid (and Why Acid Often Disappoints)

Introduction Bonding new concrete to old work means preparing the surface so fresh concrete will adhere to an existing slab. Scarify, grind, and acid-etch are common surface-prep options, each with its own trade‑offs. Understanding when to use each method helps you avoid weak bonds and failed pours. Scarifying provides a mechanical key by roughening the

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Empty indoor parking garage with smooth concrete floor and white lines

Dusty Concrete Garage Slabs: When Sweeping and Densifiers Help and When Resurfacing Is the Only Fix

Introduction Dusty concrete garage slabs are surfaces that shed loose concrete dust and fine particles, creating a chalky layer on the floor. Sweeping and densifying can help restore stability, while resurfacing may be needed for heavy or persistent dust. Use sweeping and densifying for light dust and in slabs that show wear but still have

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Paint roller and tray with white primer on concrete floor

Self-Leveling Overlays on Concrete: Dams, Primers, and Stopping Pinholes and Ripples

Introduction Self-leveling overlays are thin, cement-based compounds poured over concrete to create a smooth, level surface. They are applied after proper substrate preparation to fill minor irregularities and set with minimal manual leveling. A proper dam at edges and openings helps keep the mix in place as it cures. People doing this at home should

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Ceiling with water stains and damage near corner tiles

Choosing the Right Concrete Crack Repair for Your Situation: Movement, Width, and Water

Introduction Choosing the right concrete crack repair means matching the repair method to how the crack moves, how wide it is, and whether water is involved. Cracks can be structural or non-structural, and the approach should reflect that difference and how it affects stability. Start by noting whether the crack is active, and how you

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Stacked hollow core concrete slabs with visible edges

Random Cracks on Concrete Slabs: How to Read the Pattern and Find the Real Cause

Introduction Random cracks on concrete slabs are cracks that appear without a clear, repeating pattern. They can be the surface result of shrinkage, settlement, or temperature changes that stress the slab. Understanding when a crack is random helps you decide which steps to take next. To read the pattern, look at crack direction, length, width,

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