MoistureShield, a division of Oldcastle APG, has added a new fastener to its decking line. The MoistureShield Aegis Clip offers a 90-degree installation process for grooved boards and can be used on wood or steel joist systems. Made from glass-reinforced polypropylene for lasting strength and durability, Aegis joins MoistureShield Deck Clips as an option to…