![]() Even better, it’s relatively simple to install. Using the wrong kind of blade, can overload your electric saw motor causing it to burn out. Landscape timber is a great choice for a gardenits natural look is more attractive than steel, and it’s much more durable than plastic. If you plan to work with pressure treated lumber you should wear leather work gloves and use saw blades that are designed to be used in this type of lumber. Once the cycle is complete, the lumber is removed to be air or kiln dried and the remaining solution recycled for the next tankful. The Timbers were coming off a 2-1 win on the road against St. However, the chemical bath and pressurization methods have not changed in decades. The lumber is placed in a tank and a vacuum is applied to the tank. As the chemical is introduced into the tank, the negative pressure sucks it into the wood. The pieces of wood which make up your landscaping timbers will often be made with pressure treated or impregnated lumber. In most cases, the lumber is easy to spot as it has a greenish color to it and may feel damp to the touch. The pressure is used to drive the preservative deeper into the center of the wood. ![]() The wood is soaked in a chemical preservative under pressure. However, used improperly, landscape timbers can do more damage than good to your property. Pressure treated landscaping timbers can be used both above and in the ground. They hold soil together, and make for easy planting. Under new rules from the EPA, the amount of CCA and uses for lumber that has been preserved by it have been restricted. Landscape timbers are a valuable landscape addition. Fortunately, pressure-treated wood can withstand such conditions. Termites and other wood-destroying insect infestations, harsh weather and natural rot and decay all threaten the integrity of landscape timber. They are non-toxic, and they are naturally insect and moisture repellant. Over the course of time, CCA was found to be leaching out of the timbers and into the ground where it found its way into the fruits and vegetable growing there. Landscape timber faces a variety of stressors from the outdoors. Landscape timbers are put to their best use for decorative projects. CCA is a mixture of copper, chromium, and arsenic, and is known to be toxic if ingested. In the early days the chemicals used to pressure treat lumber contained chromated copper arsenate or CCA. But, do you know why? Is this still true? Let's take a look. Everyone tells you not to use pressure treated lumber by your fruit or vegetable gardens. You can't miss new pressure treated lumber, it tends to have a strange smell, is green in color, and more often than not is still wet on the inside.
0 Comments
Leave a Reply. |