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 135mm 135mm 4 piece units Size: (all 5.25"h) (all 9"d) 17.25"w, 13.75"w, 10.25"w, 6.75"w Exposed Face Area: 4pc:  5.25" x 48" = 1.75 sq. ft. Pallet size: 35 sq. ft.   Pallet weight: 3500 4pc Unit Weight:  100 lbs.