The gravel extends the length of the wall and may also contain perforated tubing to create a French drain that shunts water to one or both ends of the wall so it won't accumulate. A wide range of hard landscape materials can be used, such as brick, gravel, rock or stone, concrete, timber, bitumen, glass, and metals. There is also gravel packing behind the wall, particularly at the bottom where water accumulates during rainy conditions. In most cases a layer of waterproof sheeting is applied to the back side of the timber retaining wall to separate it from direct contact with fill. The disadvantages are a chemical odor when superheated by summer sun. Railroad ties are heavily treated with potentially toxic wood preservatives and creosote. Landscape Stakes Metal Landscape Edging Anchoring Spikes, 10-Inch Length 25 Count, for Artificial Turf Stakes, Paver Edging, Weed Barrier, Timber, Carpentry, Tent and More by. EasyFlex Aluminum Landscape Edging in Silver, 24 ft. These recycled ties are more affordable than new lumber with increased weight and stability. Pavestone 12' Straight Scallop Red Concrete Edger. For timber walls, large timbers for can be very expensive, which is why railroad ties are a common alternative.
Landscape lumber how to#
It will be green or brown in color and rated for earth-to-wood contact. Landscape timbers are useful materials for landscape projects and learning how to install them doesnt have to be a pain. The best kind of lumber for these walls is Douglas fir pressure treated with preservatives to discourage rot. The accumulation of moisture speeds the decomposition of wood, so drainage structures are very important as is the overall grades both at the top and toe of the wall. To maximize your timber wall longevity, the contractor must pay close attention to water, where it gathers and pools both on top and behind the wall. This vulnerability shortens the lifespan of wood walls compared to block or concrete walls. Because there is moisture in the earth which increases lateral earth pressure, the combination of weight and rot is what typically causes failure. The primary weakness is the wood itself, which is subject to rot due to extensive wood to earth contact. They’re a high quality lumber with a traditional rough finish, which are great when used for retaining walls, driveway borders and other landscape construction applications. Your contractor will select the best construction method for your landscape application.Ī timber wall, if well built with proper materials, waterproofing and preservatives can last for about 20 years or more. Extensions behind the wall known as deadmen extend back into the slope and provide additional reinforcement against bowing. The other method is composed exclusively of very large timbers, usually 6 x 6, stacked and reinforced by steel rods inserted through holes drilled through to grade. This is often used for raised beds in the kitchen garden. One utilizes upright stanchions anchored in a concrete footing, with horizontal wall planks, usually 2 x 6. There are two basic construction methods, each one suited to different conditions. Building Timber Retaining WallsĪ timber retaining wall is usually less than four feet tall. For this reason, the preferred material for food garden applications is the foundation grade redwood or cedar, which is a more expensive, but healthier choice. In fact, many organic gardeners are concerned about all wood preservatives including those of new pressure treated lumber leaching into the soil. This has reduced their frequency in raised bed food gardens. Invest in our products once and enjoy long-term use that is safe for the environment and your personnel.There is a concern for the chemicals in railroad ties leaching into the surrounding soil. It is water-proof, UV stabilized, and bug-proof, making it easy to transport across borders.
Our plastic lumber is perfect for heavy to light applications where materials need to be elevated for forklift handling or shipping. Say goodbye to the need for replacements and save money in the long run with our long-lasting and low-maintenance plastic lumber. They are designed to withstand heavy-duty applications without denting, creasing, splintering, or rotting. Our plastic lumber products optimize storage, improve safety for your personnel, and help minimize damage to your product during storage and shipments. They are ideal for outdoor recreational spaces or indoor industrial applications.
Made from 100% recycled HDPE plastic, our products are molded with a rich, long-lasting color that never requires painting or staining. Plastic Lumber, Plastic Round Lumber and Plastic Landscape TimbersĪSAP Industrial Products offers high-quality plastic lumber, round lumber, and landscape timbers that are both durable and environmentally friendly.
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