composite decking and water absorption

Synthetic Decking Remodeling Decking, Products, Remodeling

10 Jun 2008 Cook calls wood the Achilles' heel of composite decking, not only because its inherent porosity allows in water, but also because it just as easily soaks up grease, sap, and other stains. Bear Board is made from high-density polyethylene gathered mostly from postindustrial recycling. According to Cook, the all-plastic formulation 5/4 planks are stiff enough for 16-inch on-center framing in residential applications with none of the water or stain absorption problems seen  【Get Price】

Seventrust Transcend a - Seventrust Decking

A. ASTM D-7032-04: Standard Specification for Establishing Performance Ratings for Wood-Plastic composite Deck Boards and Guardrail Systems (Guards or. Handrails), ASTM International. B. ASTM D-7031-04: Standard Guide for Evaluating Mechanical and Physical. Properties of Wood-Plastic composite Products, ASTM International. C. ASTM E-84-01: Test Method for Surface Burning Characteristics of Building. Materials, ASTM International. D. ASTM D 570: water absorption of  【Get Price】

Getting on Deck: High-performance options for composite decking

30 May 2014 In the past few years, choosing an appropriate product has become more difficult as the range of options has exploded, including the introduction of capped composite boards. Performance factors. When specifying composite decking, it is important to consider how products differ from one another, and how they compare and contrast with traditional wood decking. Key performance factors for specifiers to consider include the following: moisture absorption;; insect  【Get Price】

Composite decking specification - UK

decking Specification. PART 1: GENERAL. 1.1 SECTION INCLUDES. A. composite decking. 1.2 RELATED SECTIONS. A. Section 06-1100 - Wood Framing. 1.3 REFERENCES. A. ASTM D-1413-99: Test Method for Wood Preservatives by Laboratory Soil-block Cultures, ASTM International. B. ASTM D-2565-99: Practice for Operating Xenon. Arc-type Light-exposure Apparatus With or Without. water for Exposure of Plastics, ASTM International. C. ASTM D-2915-98: Practice for  【Get Price】

DuxxBak Water-shedding Waterproof No Drip Through Decking

Are you looking for a water tight, water proof, dry under deck system? DuxxBak? is the only complete non-vinyl composite water shedding deck system available. DuxxBak's patented formulation is, in part, what makes it a step above the competition. With a combination of Biodac?, rice hulls, high-density polyethylene resins, and other high-quality ingredients, DuxxBak? has high fade resistance and very minimal water absorption in comparison to its wood composite competitors. 【Get Price】

composite fibre plastic material - BCA

water absorption 24 hour. ASTM D1037-93. Change in wt : 1.02 %. Change in Dimension: 0.5%. 6. UV resistance after 500 hour. ASTM D4329. 1.5%. 7. Coefficient of linear thermal expansion. ASTM D696. 3.6x10-5 m/m/0C. *The above values Moisture resistance. The plastic content in composite decking makes it less susceptible to moisture, which would normally cause wood to expand and contract. This characteristic reduces wear and tear and prevents warping. The synthetic  【Get Price】

Seventrust - Professional Deck Builder

1 Jan 2012 Wisconsin's Green Bay decking is one of several composite makers that eschew wood flour because of its water-absorption properties; instead it mixes ground rice hulls and processed paper sludge with virgin HDPE to make GeoDeck planks (Figure 3). GeoDeck is a rare example of an extruded composite with a hollow core. Matching perimeter strips are used at deck edges to hide the open cores from view. Terratec Naturals by McFarland Cascade is another  【Get Price】

Swelling Capstock Decking Professional Deck Builder Composite

1 Sep 2011 That was simply because all six sides of a board would pick up water and the entire board would swell. Because the swelling was uniform, nobody noticed it unless it made the boards crown or popped the fasteners. Since then, the "capstock revolution" has taken over the composite-decking industry. Most of the major WPC manufacturers now carry a capstock (or coextruded) product. With capstock decking, you have sealed a WPC - which wants to absorb water - in a  【Get Price】

Water absorption Geolaminc

The lowest water absorption rate in fresh and salt water. Independent, accredited testing proves that the water absorption rates of some composite decking products may increase significantly when exposed to water for an extended period. composite decking products with higher water absorption rates may experience dimensional change, decreased mechanical performance and are more susceptible to mold. When submerged in salt water, to simulate coastal applications, some  【Get Price】

Composite Decking Products Building Products Plus

We supply the largest and most complete inventory of premium composite decking materials with the most competitive pricing in the southern US region. Its patented formulation is, in part, what makes it a step above the competition. With a combination of Biodac?, rice hulls, high-density polyethylene resins, and other high quality ingredients, I.Dekk? has high fade resistance and very minimal water absorption in comparison to its wood composite competitors. Learn More! i-deck-  【Get Price】

Composite and plastic decking: product in review Architecture And

11 Apr 2014 The use of composite and plastic decking products as an alternative to timber may still be relatively new in Australia but there's already a vast range of products available and it's growing. Hollow boards have an increased risk of absorbing atmospheric moisture and require a more accurate installation, but are cheaper. Boards generally water absorption rate: Because of the nature of wood fibre, it is important that a decking board's water absorption rate is known. 【Get Price】

Composite Decking Benefits Over Wood Decking – EnviroBuild

So what is composite decking? composite decking sometimes also referred to as Plastic decking and WPC decking is decking that is usually made out of a composition of wood and plastic, there are also different varieties such as decking made purely out of plastic. This plastic content gives the deck boards a very long lifespan without the need to treat or seal the decking over its life, the decking has on average a 1% water absorption rate. While the wood content allows the decking to  【Get Price】

Reasons to Avoid Wood/Plastic Composite Decking and Profiles Trade

Here at Kedel, we did consider stocking these wood-plastic composite planks and decking profiles, but a chance encounter at one of our exhibitions put us off the idea. A prospective customer questioned us about the performance of our recycled plastic decking at Greenbuild Expo, Manchester in 2012. He had 120 sq metres of wood plastic composite decking laid at his home. Unfortunately, water had been absorbed by the wood component of the composite decking, and when the sun  【Get Price】