Crafting with Concrete

Introduction A concrete vapor barrier under slabs is essential when moisture migration can affect floor finishes or indoor air quality. The guide walks you through when it matters, how to select the right barrier, and practical steps for taping seams to create a continuous, effective moisture barrier. Key takeaways Understand difference between vapor barrier (full […]

Introduction Rebar chairs, bolsters, and spacers hold reinforcement at the elevation shown on the drawings while concrete is placed. The goal is not a generic distance above the ground: it is the specified concrete cover measured from the concrete face to the nearest steel surface. For a typical slab-on-ground, begin with the drawings, required cover,