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The U.S. siding (i.e., exterior cladding) market was estimated at 960 million square meters (10.2 billion square feet) in 2002 and currently is comprised of 37% vinyl, 17% stucco, 17% wood, 115 brick, 10% WIC, and 8% other materials (Freedonia 2003a). Just as greater durability has resulted in increasing use of WPC’s in decking, recent and future research on WPC’s will continue to provide more durable siding and roofing products to better meet needs for new housing and repair and remodeling.best composite wood fence material WPC is just beginning to be used as siding. In June of 2003, a major US wood products manufacturer recently began production and is trial marketing in the Northwest region of U.S. of a WPC siding product that they promise has enhanced performance over vinyl, aluminum or wood siding materials. The raw materials used in its manufacture are post - commercial, wood waste recycled from pallets and crates and recycled LDPE from shopping bags. It is expected that this one WPC siding manufacturing facility will annually divert 55 million kg of plastic and 77 million kg of urban wood waste from landfills. In the manufacturing process a factory - applied A6 - 2 5 th Global Wood and Natural Fibre Composites Symposium April 27 - 28, 2004 in Kassel / Germany primer to its surface so it can be latter finished by the homeowner or contractor with paint or opaque stain. Recent roofing market forecasts project that the the 2.2 billion square meter, U.S. roofing market will exceed $1 1 billion by 2007 (Freedonia 2003c). They project that the market growth of plastic - based roofing materials will continue, but that asphalt shingles will remain dominant in the U.S. market. WPC use in roofing is still limited but underway. At least one manufacturer is offering a WPC roofing product to replace wood shakes, and more are under development.composite fencing cheap Many research organizations and institutes around the world, including the Forest Products Laboratory, have or are currently conducting research on wood - plastic composites (WPCs) that will provide even more durable and cost competitive decking, fencing, roofing and siding products for building construction and remodeling. Based on the sum analyze of several complementary market projections, we believe that a sizable portion of this growth in both decking, fencing, roofing and siding will involve WPC materials based on low maintenance,composite decking pricing decreased price differential with competing materials and continued research resulting in enhanced serviceability and performance. One of the biggest technical challenges in creating plastic - based building materials has been finding just the right mix of plastic, fibers, and additives.composite lumber pergola They need to resist the sun, retain their color and shape, and repel moisture–a tall order (Power 2004). The resources come from:http://www.chinawpcforsale.com/
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