expansion clearance for composite decking boards

How to Install Composite Decking Decks.com
Thermal expansion is always something to be aware of when dealing with plastics. In most climates temperatures fluctuate enough to cause an issue with how the decking is spaced from summer to winter. Composite decking tends to grow and shrink across the length of the boards as it heats and cools.

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Questions and Answers on Decking - Deckorators
Deckorators Heritage Vista and Classic Composite Decking lines must be gapped at the ends to allow for expansion and contraction and gapped between boards for water runoff. At the ends of the deck boards allow a minimum of 1/16" gap for every 20 F of difference between the installation temperature and the hottest temperature expected.

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Decking Installation Guide - NewTechWood
Solid boards can be routed for hidden fasteners to be placed in them as shown in Diagram 4. Note: Boards should never be routed the entire length. Fascia boards can also be routed to allow for expansion and contraction. 90 degree angle Composite Board Joist Sister Joist

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What is Composite Decking: Benefits and Colours The Home .
Composite decking offers the beauty of wood without the drawbacks of potential corroding splintering or termite damage. This low-maintenance decking option holds up to the temperature extremes of Canadian weather with minimal thermal expansion and contraction to maximize the stability of each deck board.

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Installation Instructions Composite decking
Installation instructions - Fiberdeck deck boards / V1.19 - 4/12 Exclusively use Cobra clips and screws from FIBERDECK . This is mandatory for the warranty to remain in effect. These clips ensure good spacing between boards placed side by side. Minimum clearance: 5 mm Minimum clearance: 5 mm Expansion clearance as a function of Appli ion .

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