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Our Grotto Lids come with steel rebar reinforcing welded to inserts in the casting. Just tie the rebar to your waterfall steel structure, brace the lid and pour concrete for easy grotto construction. You need to waterproof, texture and color the top surface but the hard work is done. Grotto lids should support several people standing on top.
Click on photo below to enlarge.
Texture Mats & Release Agents
Texture Mats are available in 2 sizes: 12inch by 12inch for vertical areas, used to texture exposed mortar between castings on custom jobs and also 24inch by 24inch to texture concrete for rock decks. Release agent is available in powder form and other release agents, liquid or dry, can be used.
RicoRock®Acrylic Stains are semi-transparent acrylic stains that are specially formulated to bond to RicoRock precast products and other concrete surfaces. Thousands of artificial rock waterfalls have been colored using these products in the past 10 years. These are waterbased non-toxic stains that instantly give new concrete a weathered rock appearance. No special training or equipment is needed although for larger projects a pump up sprayer saves time (Chapin sprayers from Ace Hardware work best). If you would like to view a short instructional video on staining artificial rock with RicoRock Acrylic Stains, CLICK HERE.
Two Important Rules:
- Do not add water to the stain. For a soft color pattern, wet the rock surface with water and then spray on the color. Use a sponge to clean off puddles and drips.
- Shake the stain bottle before and during use. If not properly mixed the color will be shiny and look like paint instead of an integral color.
Four standard colors:
TAN Used as a base coat for earth tone colors or to soften dark areas.
RUST and REDDISH BROWN are accent colors.
RicoRock® Waterproofing is a cementious coating used for waterfalls and waterline rockwork, applied before the finish texture. Each 5 gallon pail has 50 pounds of powder that is mixed with water and applied with a wide brush. This waterproofing can be used on a variety of concrete surfaces and is designed to mix easily, set quickly, and has a modified polymer to improve bonding–no liquid acrylic agents are needed.
RicoRock® Cement is now available, 80 lb bags of type S cement. It dries the same color as RicoRock® casting so if it’s used for finish textures the coloring should not require a base coat. It has polymer additives that make it bond better with less shrinkage and fewer calcium deposits.
Rebar Bender 3/8
Rebar Benders are available for custom work, bends #3 & #4 rebar.
EPS Foam Blocks are much faster than forming a free standing waterfall.
Deck O Shield Sealer
Deck O Shield sealer is recommended for hand sculptured areas to minimize calcium deposits and is effective to protect coping during concrete pours and to help with freeze thaw issues.