Search Results for: surface prep

Introduction This article explains how to seal pipe penetrations through slabs using boots, tapes, and sealants. It covers practical, hands-on steps you can follow on a DIY project. You’ll see how boots, tapes, and sealants compare in real-world use. You’ll learn about the common types of sealants for pipe penetrations and how to choose one […]

Introduction Epoxy setting rebar dowels are epoxy-anchored steel rods installed into concrete to transfer load. Getting the hole size, cleaning, and cure time right is a hands-on, DIY task you can manage with common tools. Check the manufacturer instructions for exact hole diameters, cleaning steps, and cure-time guidance. Hole size requirements vary by product, so

Introduction A concrete footing keyway is a groove or notch cut or formed in the edge of the footing to help lock in the wall and resist sliding. For DIY projects, it helps the wall transfer lateral pressure into the footing when it’s formed and poured correctly. Before you pour, check that the keyway follows

Introduction An infrared thermometer measures surface temperature without touching the concrete. Use it to spot cold spots, thawing edges, or rapid surface changes during curing, but it won’t reveal internal conditions. Check the device emissivity settings and read the manufacturer instructions for how to use it on concrete. For winter pours, take quick surface readings

Introduction Concrete penetrating sealer coverage is the amount of sealer that soaks into concrete per unit area and how far it can travel from the surface. The actual coverage depends on the concrete’s porosity, age, and surface condition, as well as how you apply it. Plan for different spots on the same job and be

Introduction Silane and siloxane sealers are exterior concrete sealers designed to slow water intrusion and protect the surface. They differ in chemistry and how they protect the concrete, which affects longevity and maintenance. This article compares what to expect in real-world use, with practical tips for DIY projects. For durability, check the label and follow

Introduction Removing a failed acrylic sealer from concrete without etching means lifting the film without harming the concrete surface. Do this safely with good ventilation, eye protection, and gloves, and follow the product instructions. Your choice of remover depends on the sealer type and the concrete porosity, so always check the label and local rules

Introduction White haze on concrete sealers is a cloudy residue that forms on the surface after sealing. It’s usually caused by moisture pulling minerals to the surface as the sealer cures. In DIY terms, think of it as a salt bloom that can appear on fresh or older coatings. Removal methods vary from gentle wiping

Introduction Darkening after sealing happens when moisture or solvent residues interact with the sealer on the surface. This can make the concrete look blotchy or deeper in color as it dries. If this happens, check moisture levels of the slab and review the sealer’s instructions. Try simple fixes first by letting the surface breathe, cleaning