Search Results for: control joint

Introduction Drain holes in concrete planters that won’t crack are achieved by using sleeves or inserts and timing the drilling to the curing stage. Keep the hole protected with a sleeve and drill during the right curing window, then finish with your chosen patch. Always check the product label or maker’s instructions for recommended hole […]

Introduction A concrete stair tread needs a small, intentional fall so rain leaves the walking surface instead of sitting on it. In most exterior layouts, that fall runs from the back of the tread toward the front nosing—away from the building and toward the open stair edge. A useful reference point is 1/4 inch of

Introduction Rebuilding a broken concrete step nosing with a simple clamp form means setting up a temporary mold around the edge and pouring fresh concrete to recreate the exposed edge. This approach uses a clamp-formed box to hold the new edge in place while it cures. Keep the setup small and level and plan to

Introduction An exposed aggregate window is a small patch that reveals decorative stones after removing a portion of concrete to match the surrounding finish. Plan to cut a window in the existing slab, clean and dampen the area, and set up a simple form to keep edges neat. Check local rules and the patch will

Introduction Sealing hairline cracks before painting means filling and smoothing tiny cracks in a concrete wall so the paint won’t show through. Start by cleaning the crack and removing dust, then pick a filler recommended for concrete and apply it according to its instructions. Let the filler cure as directed and lightly sand smooth if

Introduction A phenolphthalein carbonation test is a localized destructive or minimally destructive screening check—not an anchor test. It can show how far CO₂-driven chemical neutralization appears to have progressed from an exposed concrete surface. It cannot establish concrete strength, corrosion rate, corrosion amount, bond strength, pull-out resistance, or whether a particular anchor is safe for

Introduction A reusable curved form for concrete planters is a mold used to shape rounded walls and can be built from plywood or plastic. It’s designed to be strong enough to hold concrete until it cures and easy to loosen for reuse, with the fit and finish depending on the material you choose and how

Introduction A drainage swale in concrete is a shallow, sculpted channel that directs water away while keeping a smooth, integrated look. The idea is to route water on the surface or just below, and still read as part of the yard, not a gutter. Plan with proper slope, width, and edge treatment, and confirm you

Introduction Spalling is when the surface concrete flakes, chips, or peels away at the garage door edge. The damage comes from moisture intrusion, freeze-thaw cycles, or heavy traffic over time. You’ll notice rough edges where the edge of the slab meets the door opening. To rebuild the edge, remove loose material and clean the area

Introduction A concrete slab that has sunk at one corner can sometimes be lifted if the slab is mostly intact, the settlement is localized, and the cause of the void or soil loss is corrected. Cementitious grout (often called mudjacking) and two-component polyurethane foam are specialist slab-lifting methods—not ordinary beginner DIY repairs. The practical homeowner