Do composite deck boards shrink?

Do composite decking shrink? With most composite decking, there is negligible expansion and contraction in the width of the plank, however, expansion and contraction occurs in the length of the plank. Quality composite decking should shrink very, very little if manufactured correctly.

Do composite decking stretch and contract? As temperature changes, composite decking is naturally subject to thermal expansion and contraction. Therefore, the board ends should never be installed close together. Then install a fastener in the middle of each panel length to prevent shifting during thermal expansion and contraction.

Do Trex Decking Shrink? Composite decking has a tendency to grow and shrink along the length of the plank as it is heated and cooled. Proper spacing allows for some movement without kinking.

How much does Trex decking shrink and stretch? Composite decking shrinks and expands along its length, not its width. Or at least very minimal across the width. Experienced carpenters know that this is the opposite of natural wood. Wood expands very little along its length – only 2%, while it can expand 6-8% across its width.

Do composite decking shrink? – Related questions

Why is my composite deck warping?

The cause of decking warping is thermal expansion or temperature change. Your plastic-wood composite warps as your decking absorbs heat and expands. The heat causes a household material to become flexible or soft. If the terrace is flexible in the heat, it will eventually become cool.

Do cut edges of composite decking need to be sealed?

Kim Katwijk The cut ends of composite decking absorb moisture and can swell, as shown here. Sealing the end cuts with wood wax will help prevent swelling. Because the open ends of the panels can hold water, the core can absorb moisture, which can cause all sorts of problems.

Can you screw Trex?

So can you still use screws to install composite decking? The answer is yes for a solid composite deck (must be pre-drilled and check with the manufacturer). You cannot drill or screw through a hollow composite ceiling as the screw will loosen and unravel over time.

How far apart are the joists on a composite deck?

Composite Deck Room

The majority of composite decking brands, including Trex, TimberTech and others, require 16” OC (on center) deck joist spacing for standard straight composite deck installation.

How much space do you leave between Trex decking?

Q: What is the distance between the boards? A: The Trex Hideaway Hidden Fastener automatically creates a 1/4 inch gap between each decking board.

Is a composite deck worth the money?

There is no doubt that composite decking is more expensive than wood. However, it is valued for its striking resemblance to natural wood and its efficiency, making it an excellent choice for decking. It’s easier to clean and maintain, making it last long enough to transfer the same value to the next homeowner.

Can composite decking be pressure washed?

Using a pressure washer. Trex does not recommend using a pressure washer. Use of a pressure washer on the deck surface could damage the deck surface and will void the warranty for any condition caused by the pressure washing.

Can you put a fire pit on a composite deck?

Never, EVER, EVER place a fireplace directly on a wood or composite deck. are commonly used in composite decking, therefore the risk of warping and melting under high heat conditions such as those created by a fireplace also needs to be considered.

How long do composite planks last?

Composite decking requires minimal maintenance and can last between 25 and 30 years. On average, plastic decking has a similar lifespan to composite decking and can last almost 30 years.

Need to split Trex decking?

All decking boards must always be laid with a lateral spacing of 6 mm. The Trex Hideaway Hidden Fasteners automatically measure the 6mm spacing between boards with grooved edges, but you still need to ensure the 6mm spacing with the boards with square edges.

How do you increase the distance between decking boards?

During installation, be sure to keep your decking material in a cool, dry place where it will not be subject to excessive moisture and stretching, which can affect plank spacing. Use spacers, a sixteen-penny nail, or a pencil to ensure even spacing between all boards.

Can you fix warped decking?

While many people associate warped decking with wood decking, composite decking can also warp over time. Decks should be flat and straight, but over time they can warp and become uneven. If you carefully remove the warped composite plank, you can replace it with a new one that is in good condition.

Composite deck warping?

Most composite decking is much longer than wood decking because there is no risk of warping. Your composite deck may not warp, but it can sag and warp. Most sagging is caused by improper joist spacing during installation.

Do composite decking get hot?

But how hot can composite decking get in the sun? One study found that when exposed to direct sunlight, composite decks can reach temperatures from 34°F to 76°F hotter than the surrounding air. On an 80°C day, this can mean a deck surface temperature of over 150°C.

What is the best composite decking cleaner?

Vinegar is one of the most effective cleaners and is safe for composite decking. Vinegar, or its active ingredient acetic acid, is mild enough but can still dissolve dirt, grime, and stains. It can also kill bacteria on most surfaces. When combined with baking soda, vinegar can effectively remove most stains.

Can Thompson Water Seal be used on composite decks?

Thompson’s®WaterSeal® offers a full line of wood and deck cleaners to help remove mildew stains, dust, dirt, oil, grime, grease or other contaminants from wood, composites and other outdoor surfaces.

Do you countersink composite deck screws?

Composite decking can be screwed or nailed like wood. However, you can countersink a hole about 1/4 inch deep for each screw before driving them in to ensure the head sinks below the surface. Turn the screws in pairs, 1 inch from the edge of a board and about 1/2 inch from each end.

What type of screws should I use for composite decking?

Composite decking screws

If you choose composite decking screws, be sure to use stainless steel screws that will not rust or corrode. Choose a minimum size of #8 x 2.5 inches.

Are 2×6 strong enough for deck beams?

2×6 beams should only be used on level decks that do not require and will not provide guarding. Most decking is not strong enough to support spans longer than 16″. Some builders reduce joist spacing to 12″ on center to strengthen the deck frame or increase maximum allowable joist spans.

How far can a 2×6 deck be spanned without support?

A decking board made of 2x6s can span a maximum joist-to-joist spacing of 24 inches.

Should you pre-drill Trex?

With Trex Escapes, there’s no need to pre-drill. Composite decking is a great alternative to traditional wooden decking. When constructing your deck and railing, it is recommended that you use approved construction material for the frame and joists.