thermal expansion of composite decking

Download the Trex Installation Guide

the slight thermal expansion and contraction of Trex decking boards. Gapping also allows for the shrinkage of the wood joist system. » ALWAYS follow Trex-recommended gapping guidelines. » Maximum allowable perpendicular overhang for 

Decking Installation Instructions - el congdon lumber

For more information about Lumberock® Mineral Plastic composite decking visit lumberock. Please note that Lumberock® Premium decking claims no liability or amount of thermal expansion that is common to all plastic.

Composite Decking Installation Guide - Ecoscape UK

Please read the following carefully prior to installation. All composite decking products expand and contract with temperature fluctuations. Ecoscape UK. composite decking is designed to work with a hidden T-clip system to control thermal 

Installation Guide - Trex® Decking & Railing

TREX TRANSCEND AND TREX ENHANCE. * ASTM (American Society for Testing of Materials) tests conducted at Washington State University (Pullman, WA, USA). CRITERION. CRITERION. thermal expansion Coefficient. (Transcend and 

Trex Technical Specifications

SPECIFICATIONS. 15 Australian Physical & Mechanical. Properties. 17 Architectural Specifier – composite. decking. 22 Material Safety Data . I ASTM D 696: Standard Test Method for Coefficient of thermal Linear expansion of Plastics.


Wood composite deck boards are subject to expansion and contraction when exposed to variations in temperature. To accommodate for this potential thermal movement: Allow a 30mm expansion gap around the perimeter of the deck giving 

Working with Trex & Composite Decking - HomeTips

Expert advice on how to install and work with TREX and other composite decking materials, how to cut TREX, Leave a healthy 1/2-inch gap at the ends to ensure the material can expand and contract without coming into contact with the wall.

Synthetic Decking Professional Deck Builder Composite Materials

1 Nov 2007 As much as three-quarters of all wood-plastic composite decking is made with polyethylene (recycled or virgin) . and because there are no wood particles in the formulation, thermal expansion is a more pronounced problem.

Lumberock Composite Decking - Frequently Asked Questions

Lumberock® expands/contracts on the butt ends of the boards and requires a small gap between the boards to accommodate this. The width of the board will not be affected by thermal expansion. See our expansion/Contraction Table for 


striated tropical hardwood finish, Trex decking is engineered Trex® decking comes in eight inspired tones, all of which offer deep wood grain and rich saturated colour .. the slight thermal expansion and contraction of Trex decking boards.

Composite Decking by DuraLife: Home

The decking materials built-in resistance to mould and mildew growth improves safety and reduces maintenance and its superior moisture and thermal resistance minimizes expansion and contraction problems. Every DuraLife composite 


for Wood-Plastic composite Deck Boards and Guardrail Systems (Guards or. Handrails), ASTM International. and thermal Transmission Properties by Means of the Guarded-Hot-Plate. Apparatus thermal expansion. ASTM D 1037 1.9 x 

Detailed Guide to Installing Composite Decks and General Information

When installing composite decking, I use PVC trim on all pressure treated framing. How Boards Expand and Contract: When installing composite decking it is important to remember that it expands and contracts; the . azec flat stock is too unstable to mitre.. it moves far too much with thermal expansion and contraction.. the combination of that and the framing expanding and contracting with moisture 

Decks. Installing Composite Decking

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 


Remember when storing Trex® decking, railing, fencing, and trim: . Periodic cleaning of Trex Transcend® decking and railing will maintain the beauty .. Typical Trex® Values for Coefficient of thermal expansion/Contraction. (36" (91.4 cm) 

Wood-Filled Composites Jump off the Deck : CompositesWorld

By far the biggest sector of the wood-plastic composite (WPC) industry, this segment accounts for deck board and railing, . “Pulp cellulose fiber has zero coefficient of thermal expansion,” he claims, “and, because it has no lignin, the fiber 

Important Information Regarding the Installation of Composite

expansion/Contraction/Shrinkage: composite decking and fascia materials expand at higher ambient temperatures causing what's referred to as thermal expansion. They will also expand when the wood fiber component of their make-up 

Composite Decking Vs. PVC: Which Decking Is Really Maintenance

5 Feb 2018 For many people it comes down to composite decking vs PVC. Homeowners living in This is something that engineers take into account in their calculations using the linear expansion coefficient. With an expansion ratio of 

Lumberock Premium Decking - Composite Decking Installation

Learn more about composite decking installation, including framing and joist span, gapping and thermal expansion Please note that Lumberock Premium decking claims no liability or responsibility for the improper installation of our product.

The 9 golden rules of a professional composite decking installation

UPM Profi Deck should not be installed on open joists on first floor or higher levels. 4. The support rails/joists should be fixed to the ground or constructed to form an inter-locking grid. This prevents thermal expansion of the deck boards 

Choosing the Best Composite Decking for Cold Climates - Fortress

21 Nov 2017 It is the plastic used in soda, milk, and other bottles in a specific combination called PET, and it is the plastic that is most often used in composite decking as well. It does experience thermal expansion and contractions, 

Composite Decking 101 - Popular Mechanics

3 Jan 2017 Thinking of replacing your wood deck with rot-resistant composite decking material? Expect to pay around $3 per linear foot for 1 x 6 decking material, which puts it somewhere between the cost of The longer the piece of decking, the greater its expansion and the more you have to account for this when 

Composite and plastic decking: product in review Architecture And

4 Nov 2014 The use of composite and plastic decking products as an alternative to timber may still be relatively new in thermal expansion Coefficient: It is important to understand how much the boards will move, especially under