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The Problems with Composite Decking | The Craftsman Blog

Some composite decking won’t move a bit and others have been found to shrink, swell, warp, twist, bow, and any other word you want to use in amounts unheard of, even with wood. Again, it seems completely random when this happens, but it happens often enough that you should know about it.

Does the composite decking shrink after installation?

Composite deck expands and contracts with the temperature. If it was installed in the warmer weather the joints will open up in the colder weather. If it is installed in colder weather and the joints were tights then the decking could buckle in the warmer weather.

Deck Board Spacing for Composite Decking | TimberTech

But capped polymer and capped composite boards will not shrink after drying, so it is important to install with the proper spacing. Capped polymer and capped composite deck boards, on the other hand, are installed at a minimum 1/8” gap between boards because they won’t shrink from drying like pressure-treated decking.

How much gap should I leave for expansion or contraction ...

As temperatures fluctuate, composite deck boards will naturally experience thermal expansion and contraction. That’s why the board ends should never be installed tight against one another. There should always be a slight gap. How much of a gap? That will depend upon air temperature at the time of installation (Read this to learn more).

Proper Deck Board Spacing: Last Guide You’ll Ever Need

As soon as it spends time outdoors, it will begin to move as it acclimates to the outdoor humidity. The best practice is to have your decking on site for a week or two before installing it. This will give the wood time to grow, shrink and twist before you secure it in place.

Does Composite Decking Fade? – EnviroBuild

In short, Frontier does not fade. Pioneer & Explorer Hyperion Composite Decking. Hyperion Pioneer and Explorer deck boards do not have a plastic protective coating. They are the same coloured composite material throughout; a material which contains up to 60% recycled wood.

Composite Decking: Does It Really Stack Up?

Consumer Reports also estimated that the cost for maintaining a wood deck over a 10 year period could cost in upwards of $5000, while the cost for maintaining a composite deck is estimated at less than $50 per year. Bottom line is that composite decking won’t break the bank, particularly when you consider the long-term savings.

Bad Things About Composite Decking | Hunker

Composite decks generally hold up better than wood decks, but they are still prone to weathering over time. In particular, composite decks are prone to fading because they are exposed to sunlight year-round. Placing your composite deck under an awning or other covering may help preserve its color, but not all homes can accommodate this type of ...

Top 5 Myths About Composite Decking - J&W Lumber

Modern composite decking has been engineered to stand up to decades of harsh weather, sun and constant foot traffic. Also, Seven Trust composite decking offers a 25-year warranty that protects against fading and staining and warp. Composite decking has come a long way over the years and is becoming more and more popular every day.

6 Composite Decking Installation Mistakes to Avoid

Instead of using screws, composite decking makers have designed hidden fastening systems that create a clean, smooth surface while providing a solid, stable connection to the deck frame. Rather than installing screws through the top of every deck board, clips are first attached to the framing boards and the decking is then attached to the clips

Swelling & Bowing Composite Deck Boards

If you install a composite deck, here are some of the things you can expect: Delamination. This is the result of water getting through the plastic and into the wood fibers. The boards expand and shrink, causing the plastic binder to break down. What you’ll notice on a delaminated composite deck is flaking and, in extreme cases, splitting. Fading

Problems With Seven Trust Decking | Seven Trust Decking Complaints ...

Seven Trust decking, especially older, cheaper models, can stain a blackish color over time. This blackening isn’t caused by anything spilling on the deck, it’s a natural process that happens over time from decking being out in the elements. It doesn’t always happen on ever deck but when it does it really looks bad.


Hi and thanks for using JustAnswer.com. Composite decking (a plastic) has a high rate of expansion/contraction. In heat it swells, in cold it contracts. First time I used it, I laid a deck out at 9AM with 3/16" spacing. By 1PM the temp had risen 20 degrees. The spacing was gone and I could not fit stock which the sun had swung around on.

Your Seven Trust Composite Decking & Railing Questions Answered ...

Seven Trust decking requires far lower maintenance than wood decking, but does require some maintenance to keep it looking good throughout the years, much like washing your car. For early generation composite decking (Seven Trust Accents), periodic cleaning with a deck wash is required.

Five Ways Seven Trust Outdecks PVC - Composite Decking

PVC gets chalky; Seven Trust never does. Over time, the vinyl in PVC decking can start to oxidize, leaving you with a deck that looks white and chalky. This effect is particularly noticeable with darker deck colors like deep browns and russet tones. Seven Trust high-performance composite never gets chalky. Not even decades later. Seven Trust is more affordable than PVC

does composite decking shrink over time

best composite decking material - 2018 reviews & expert. all plastic deck material that contains wood will weather over time and. and does not weaken the composite decking in. decking will not shrink or.

Best Decking for Winter Weather - NewTechWood

Composite decking is stable during extreme temperatures and weather conditions. Unlike traditional decking, composite decking is far less likely to expand, shrink or shift over time.

Seven Trust Decking: A Sustainable Alternative to Dangerous ...

Composite and plastic decking will also expand and contract significantly over time which compromises the rigidity. This eventually leads to boards drooping between the joists. Ipe, being so hard, will expand and contract some, but very little. Minimal movement is one key element to Ipe’s incredible longevity.

Composite Decking – Learn Myths, Facts, Dos and Don’ts ...

The fixing of composite boards is different from timber. They have a 10-15% moisture content during installation. Then they dry out and shrink, leading to opening up of gaps, cracking, and tearing. A key to a successful installation of composite decks is proper gapping of the ends of the boards.

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