Gapping also allows for the shrinkage of the wood joist system.
Trex decking gap between boards.
Between end to end boards allow a 3 16 inch space.
Gapping you must gap trex decking both end to end and width to width.
I quit using trex in 07.
For timbertech azek decking it s recommended to have a minimum 1 8 to 1 4 side to side gap between deck boards.
Gapping is necessary for drainage and the slight thermal expansion and contraction of trex decking boards.
Proper side to side deck board spacing allows for air water and debris to flow around the decking leading to a long lasting low maintenance deck.
25 years on the finish no fade gives all the appearance of the south american wood and none of the work.
Both companies use a mix of recycled wood fibers and plastics to manufacture the core of their decking boards.
Use three fasteners equally spaced across the width of the fascia board at the top middle and bottom locations of the board 2 fasteners for riser boards and spaced approximately every 12 along the length of the board.
Start at one end of a board and begin pushing the rope into the gap with a flat head screwdriver.
This will increase the longevity of the deck and also prevent bowing during the hottest part of the day.
The old trex had color through out so you could round over the boards without issue.
Like real wood composite boards will also expand and contract as the humidity changes.
Understanding the difference between timbertech vs trex requires a little background into how composite decking is manufactured.
At the show in chicago they had 1 4 or greater gaps on herring bones but joints etc.
The fastener design securely attaches decking boards by holding the edge of the decking board.
The fastener is then attached to the support with decking screw provided in each box.
Yup you need the gap.
Where board ends meet a wall leave a healthy 1 2 inch gap to ensure the material can expand and contract without coming into contact with the wall.
Use the screwdriver to press the rope into the gap until you reach the opposite end of the board.
Spacing with composite deck boards is just as important as it is with conventional wood.
Transcends is a wood fiber composite core with a 3 sided pvc plastic wrap to protect it from the weather fibereon has all 4 sides wrapped.
The size of the gap you should use is also contingent on the type of decking material.
This is my first year with fiberon and as far as i am concerned its the best decking on the planet.
If you use a trex transcends like tiki torch the outside is a deep and rich brown and the inside is an ugly grey.