Search Results for: andy concrete

Introduction Form ties are the hardware that holds concrete forms in place while the concrete cures. Snap ties, loop ties, and threaded rods are common types you’ll see on a DIY job site. Each type has its own way of behaving during and after the pour, so know what you’re using before you start. Each

Introduction Sorptivity is a measure of how quickly a porous material absorbs water through capillary action. In this DIY intro, we’ll keep the test simple and describe what you can observe on a small patch of concrete or plaster. The goal is to get a practical sense of absorption behavior without high-tech gear. Results help

Introduction Radon fan placement is choosing where to install the fan so it can move soil gas from beneath the slab to the outdoors. Pick a location that is accessible for maintenance and close enough to the intake so air can be drawn through the system. Always follow the manufacturer’s instructions and local rules when

Introduction Radon rough-in under a slab is routing and sealing a pipe under a concrete floor to vent soil gas safely. Do this with plain instructions: plan the path, verify access, and seal joints to limit leaks, while following local rules and manufacturer notes. Before you start, check local rules and follow any recommended testing

Introduction Rebar couplers are threaded or mechanical connections that join two bars end-to-end. Use them when you need to extend bar length or connect bars in tight spaces where overlap is hard. Check manufacturer instructions and local rules to ensure proper fit and alignment. There are different types of couplers for different rebar sizes and

Introduction FRP rebar is a non-metallic reinforcement made from fiber-reinforced polymer designed to reinforce concrete. It’s lightweight, corrosion resistant, and behaves differently from steel, so plan accordingly. If you’re unsure, check the manufacturer guidance and local rules before sizing or choosing it. Cutting and drilling FRP rebar requires specific tools and care; don’t treat it

Introduction A hydration stabilizer is an additive that slows changes in cement hydration to keep the concrete mix workable longer. It helps maintain slump and workability without a dramatic early stiffening. Always check the product label and manufacturer instructions for proper usage, dosage, and compatibility with your mix and additives. In contrast, a conventional retarder

Introduction Corrosion inhibitors are additives used to slow rust and protect concrete surfaces from chemical attack on exterior steps and slabs. They help form a protective film and reduce moisture-related corrosion in metal embedded parts and reinforcement. This article covers how to choose, mix, and cure when using them in a DIY setting. Choosing the