2012年8月28日星期二

composite deck companies offer several different product


Another early complaint with composite was the limited choices that were offered when it came to style and color. Again, advancing technology and a maturing industry have made shopping for composite decking material a real pleasure. The largest, well-known composite deck companies offer several different product lines and colors to choose from. Trex Decking, for example, currently has four different lines that, all together, come in 12 different colors. Add to that advances in stamping and rolling technology that bring out imitation wood grain and texture on the boards, and you can now purchase composite decking that is virtually indistinguishable from the real thing. Compsite decking manufacturing
For starters, never use it as a structural joist or beam. Because it is made from 50% recycled plastics and 50% wood fiber, it just isn't stiff enough to support a lot of weight without bending and sagging over time. That same property means you'll have to include more joists into your deck blueprints than if you go with wood. The sagging that homeowners complained of early on is best addressed by providing more support. With closer joists and rails to give decking and railings more support, sagging is reduced to almost nothing. And finally, while you'll never need to stain or paint your deck again, you'll want to clean your composite deck several times a year, and be sure to wipe up greasy or oily spills as soon as they happen. Being diligent about taking care of your decking is the key to its longevity.
Composite wood decking is typically made from a mixture of waste wood and recycled plastic, including recycled plastic grocery bags. The recycled material is highly durable, stable, and weatherproof and resembles natural wood in color and texture. Composite decking is therefore extremely practical; it also plays its part in re-cycling. However it does not have the full authentic character of natural wood. Composite decking is available in a wide range of colors, imitating a variety of hardwoods. It has a pressed molded surface, giving the appearance of wood grain. Matching posts, steps, and railings are also available.
Composite is the type of decking that has been around the longest and historically has been the least expensive product. There are many different manufacturers of these products, many of whom offer multiple grades or versions in their product line. The differences between the different versions are usually cosmetics and/or price point. Most of the major brands will perform somewhat the same over time as far as color loss, durability, and susceptibility to staining, scratching, etc. Composite decking is made usually of plastics and wood fibers mixed together. If you look closely at most composite decking, you can see the wood fibers in the surface of the board. Composite decking installation
It is very important to follow the manufacturer's instructions when installing composite decking material. Thermal expansion is always something to be aware of when dealing with plastics. Most climates temperatures fluctuate enough to cause an issue with how the decking is spaced from summer to winter. Composite decking is less stable than wood so it tends to grow and shrink across the length of the boards as it heats and cools. Proper spacing will allow some movement without buckling.
Some composite decking materials are designed to be installed with hidden fasteners. These clip systems generally are screwed into to the deck frame across each joist and fit tightly into a cavity running down the side of the boards. Composite decking usually will not crack or split. However, it is possible to have small cracks appear near the ends of a board where there is a decking screw or a tight cut around a rail post. These cracks can occur even with pre-drilling of the boards for the screws.
You can cut composite decking just as you would ordinary lumber – with a circular saw. The sharp edges on the end cuts can be beveled with a belt sander. Cut each board square and have the joints positioned at the center of the joist. Use a jigsaw to cut out notches where a post or a downspout penetrates the decking. Unless you are using fasteners specified by the manufacturer, composite decking is generally fastened to the frame with deck screws that require pre-drilling. A pre-drilled hole is drilled with a diameter slightly smaller than that of the screw. Make sure that the screw heads are set at a depth either flush with or slightly below the surface of the decking. This can be accomplished either by using a countersink, or simply by using a smooth-face hammer to drive the screw home.
Under most residential applications, composite, PVC or hybrid decking will perform quite well and meet the consumer's expectations. Of course, the real advantage of all manufactured decking products is that they never need an application of a protective coating or sealant. These products will not rot or decay and most are expected to last 30 or more years.
We feel that knowing this information about "what to expect" from your manufactured decking product is important. We also feel that manufactured decking is a great value and will provide a long-lasting, beautiful deck surface for many years to come. backyard patio wood plastic door

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