BoMetals' Finn Joint concrete expansion joint is lightweight anodized aluminum extrusion fitted with hydrophilic rubber gate seals and supplied with nylon fixing tabs for a water tight, ...

Large sections of concrete should have joints running across the full width of the slab, as well as down the center of particularly wide slabs. Joints should be at least 1/2-inch to 3/4-inch wide.

For the last century, concrete installers have been using asphalt impregnated fiberboard (AIFB) as an expansion joint filler. Today, installers have a new choice in Nomaflex, a closed-cell ...