Ductile Iron Covers
An exceptionally strong, safe and durable access cover
NAL Ductile Iron covers are manufactured from high quality 500/7 grade ductile iron and conform to EN124: 1994 with B125, C250, and D400 load classes available.
The covers will fit directly on top of any access chamber, bedding onto a layer of mortar and finishing flush with the surrounding surface. Depending on the size and load class, they are available in lift-out, slide-out, and hinged openings.