Search Results for: surface prep

Introduction A concrete curb that won’t crack off relies on proper keyways, dowels, and joints to control movement. Keyways help lock the curb to the adjoining slab, dowels transfer load across joints, and joints manage where cracking can safely occur. This DIY overview will explain the ideas in plain language and what to check on […]

Introduction A sidewalk that is higher than the next slab has a different problem from one that has dropped. True upward heave can come from roots, frost action, expansive soil, or another upward force; raising a slab is not a cure for that force. Settlement, washout, or a void beneath an otherwise sound slab may

Introduction Deck stair footings are concrete supports placed below the frost line to keep stairs from heaving. This article explains how to do that without digging more than necessary. Check your local code and manufacturers for the exact depths and mix. Understanding frost depth, footing size, and concrete choices matters for a solid, long-lasting set.

Introduction A slab-on-grade is a concrete floor poured directly on prepared ground with no raised foundation. For a small shed, you’ll want to plan for a vapor barrier, thickened edges, and a simple bolt layout to anchor posts. As you work, verify local rules and follow manufacturer instructions for materials. Starting prep means grading, compacting,

Introduction Frost-Protected Shallow Foundations (FPSF) are a way to keep concrete slabs from freezing by using insulation and careful drainage. As a DIYer, you’ll want to plan insulation under and around the slab edge and maintain a continuous layer. Always check local rules and product instructions for how to install and transition between insulation and

Introduction Fiber dispersion tricks are techniques to evenly distribute reinforcing fibers in a concrete mix without forming clumps or introducing excess air. The goal is a smooth, consistent mix that holds fibers where they belong. Follow the manufacturer’s guidance on when and how to add fibers to avoid guessing. Start by following the fiber label

Introduction Salt-resistant concrete is a mix designed to resist salt intrusion and corrosion when used in marine or coastal exposure. In practical terms, that means choosing the right cement options and adding SCMs to slow down salt-related damage. Always check product labels and manufacturer instructions for suitability in salty environments and follow local rules for

Introduction Anti-washout admixtures are additives that help concrete stay in place underwater or in wet forms. They slow water loss and improve cohesion so the mix doesn’t segregate. Use only as directed on the product label and by local rules. Pick a product that is rated for underwater or wet-form use, and read the label

Introduction Stripping removes the sealer with chemicals or rollers, while grinding buffs away the old coating with a machine to reveal a new surface. The safer choice usually depends on the sealer type and how badly the texture is damaged. For most DIYers, start with a careful test area and a gentler approach to evaluate