Construction Joint Waterstop Guide: PVC Waterbars and Swellable Profiles

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A construction joint waterstop is a small item on the drawings. Yet it often decides whether a basement or tank stays dry. Every time a pour stops and restarts, a joint forms between old and new concrete. Water finds that line long before it finds a path through dense concrete. This guide compares PVC waterbars, swellable profiles and crystalline dry-shake, ... Read More
Corrugated metal roof with visible fasteners before metal roof waterproofing

Metal Roof Waterproofing: Sealing Fasteners, Laps and Rusted Sheets

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Table of Contents Metal roofs on factories, warehouses and hangars are quick to build and economical, but over the years they suffer two problems: leaks at fasteners and sheet laps, and rust that starts at edges and holes. Metal roof waterproofing covers the whole roof with a continuous, flexible membrane that seals these weak points and protects the steel. This ... Read More