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Composite Decking: An Eco-Friendly Deck Alternative Composite decking, made from repurposed wood waste and recycled plastic, yields superior strength as a deck construction material — while helping save trees. From "The Inside Job" episode DISJ-109

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	Figure C
	Figure D
	Figure E

6. Once the trim is placed, it's time to lay the decking. Each piece of composite decking contains grooves along the center of each edge. That's because this decking uses special clips which are attached to screws. To lay your decking, insert the clip into the groove and drill the screws down into the joist (figure C). In this way, there is no drilling into the actual composite decking.

7. Place your posts, trim and decking as you go.

8. If you are working on a bi-level deck, it is wise to add a trim piece around the edge that's lighter in color (figure D). This will make the level change (i.e., the step down) more noticeable when the deck is in use. Instead of using the clips and screws for the trim pieces, simply use countersink screws to attach.

9. For your banisters, measure and cut your railings to size. Since your rails have pre-made pilot holes, make sure the distance between the end holes are the same distance from both ends of the post. This will assure correct spacing and alignment for your balusters.

10. Screw the round connectors into each pilot hole for the top and bottom rails (figure E).

11. If your rail is greater than four feet, you will need to add a foot block to the bottom. Cut your foot block to the height you desire (no more than 4" high) and attach to the center of your bottom rail.

12. To attach your bottom rail, pre-drill holes into the underside where your mounting brackets will be screwed in, using a 7/32" drill bit. Male sure the brackets are flush with the end of the rail. Attach the brackets using 1-3/4" mounting screws. Repeat this step for the top rail. Next, pre-drill holes into your posts and attach your bottom rail in place.

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Figure F

13. Install your balusters over each round connector on the bottom rail.

14. Place your top rail over the balusters. Make sure the top rail connectors line up with your balusters. Use a rubber mallet to secure the top rail into position. Once in place, screw the pilot holes into the post, then attach the rail — again using 1-3/4" mounting screws.

15. Add your post tops by popping them in place.

16. For your stair pieces, use countersink screws to attach your pieces into your stair joists (figure F).

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RESOURCES :

Deck material:
ElkCorp Company
www.elkcorp.com