Belgard Product Guide Celtik Wall Specifications Celtik Wall Details Photos Colors 90mm 135mm Cap Step Coping Curb We manufacture the following (Belgard® Brand Name) Celtik® Wall. Enhance your landscape and control erosion with a natural stone look Celtik® retaining walls. Belgard® product can be purchased through our Dealers. For more information on the benefits, technical information, finished projects, installation and more go to the Belgard® Web page. Below are some samples of the different types of units Cap 90mm Cap Unit Size: 3.5"h x 16"w x 12"d Exposed Face Area: .39 sq. ft. Pallet size: 64 pcs  Pallet weight: 3418 Unit Weight: 53.4 lbs.