Each deck board should be fastened with two screws at each point where the board crosses a joist to ensure the stability and durability of your deck’s surface.

How do you attach composite deck boards to joists?

To install composite decking with a hidden fastening system, start at the house by face-screwing the first board. Next, screw a hidden fastener clip into the groove on top of each joist. Then, slide the groove of the next board into the clips and tighten with a rubber mallet. A clean looking deck border.

Where do screws go in composite decking?

Quote from the video:
Quote from Youtube video: And that will provide enough room for a clip at the edge of each board it also provides. More support for the edge of the board. So just a few quick tips.

How many screws do I need for composite decking?

Use three Trex recommended composite decking screws every 12″.

How do you join two composite deck boards?

Quote from the video:
Quote from Youtube video: Set your first board down and push the groove over the clip prongs. Next on every joist insert the clip prongs into the board's groove and secure with screws.

How do you screw composite joists together?

Quote from the video:
Quote from Youtube video: We recommend that joists should be fixed directly to your base at a 500 to 600 millimeter intervals mark your fixing points along the length of the joist.

Can composite decking be laid on wooden joists?

If you want to install composite decking, you can put the composite decking on wooden joists. Wooden joists can provide reliable support for composite deckings if they are properly placed. When building a joist for your composite decking, it is vital to use quality wood material.

How do you screw down Trex decking boards?

Quote from the video:
Quote from Youtube video: You should use one clip. Over every joint. It's advisable to partially install the universal clip along a row allowing. You to easily fix the adjoining. Board when you get to the next row.

Can you screw through composite decking?

You can screw or nail composite decking boards just like wood ones. Three-inch decking screws are the best fastener choice; they sink a secure distance into the joists and won’t back out like nails. There’s little danger of splitting the boards when driving them, so you don’t need to pre-drill.

Do I need to pre-drill composite deck screws?

The answer is yes for a solid composite decking (must be pre-drill and must check with manufacture). You can not drill or screw through a hollow composite deck as the screw will become loose and rise in time . Like the usual wooden decking boards, you can also screw down a solid composite decking.

How far apart should joists be for composite decking?

16 inches OC

Most composite and PVC decking brands, like Trex and Azek, recommend a maximum joist spacing of 16 inches OC.

Do you have to stagger composite decking?

Composite decking should not be staggered on a deck. Staggered decking requires butt joints, but composite decking expands and contracts with temperature changes making butt joints unsightly. It is better to design a composite deck with intentional design elements to avoid staggering boards for a wider composite deck.

Do you need to seal cut ends of composite decking?

1- First, the installation of a composite deck is specific and differs from that of a conventional treated wood patio. 2- The composite board should never be cut, otherwise a cut with a precision carbide blade will be necessary and you will need to apply a treated wood sealer to the cut ends.

How do you finish the edges of a composite deck?

Composite decking ends can be finished by picture framing, raised fascia board, painting the ends, attaching decking veneer, composite nosing strips, vinyl stair nosing cove, composite corner trim or plastic end caps. In short composite decking, ends must be hidden or blended into the look of the decking boards.

Can you use Thompson water Seal on composite deck?

Thompson’s®WaterSeal® offers a complete line of wood & deck cleaners that help remove mildew stains, dust, dirt, oil, soot, grease or other contaminants from wood, composite and other outdoor surfaces.

What is the overhang on Trex decking?

Trex is a popular composite material with a maximum overhang of 102mm or around 4 inches. Between one and two inches of deck board overhang is ideal when you attach an outer fascia board, or at least 1 ¾” to 2 ¾” of overhang before installing the fascia.

How wide should the gap be between decking boards?

1/8 of an inch

Determining Deck Board Spacing

When using wood decking, you want a gap of at least 1/8 of an inch after your decking has dried out. If you’re using decking that’s already been dried out, you can leave a 1/8-inch gap when you install. Many decks will use “green” wood, or wood that hasn’t been dried down or kiln dried.

How far can you overhang composite decking?

Overhanging composite decking is an important element to the deck’s design for aesthetic reasons and protection of the deck’s substructure. Most composite decking should overhang the deck’s substructure ¾” (18mm) but may be limited to only a 1/2″ (12mm) or as great as a 1 ½” (38mm).

Why is Trex decking so hot?

Composite decking gets hot primarily from direct sunlight, so it won’t heat as much if it’s in the shade. Before building a deck, select a composite brand that stays cooler, choose light colors, and increase ventilation beneath your deck.

What are the disadvantages of composite decking?

Cons of Composite Decking

  • A pricey alternative to wood. Durability comes at a cost, as composite decking is more expensive than wood. …
  • Composites aren’t natural. …
  • Composite decks aren’t completely maintenance free. …
  • You’ll need to comparison shop.

Does composite decking attract rats?

Decking doesn’t attract rats, but it can be a potential problem. However, it doesn’t have to be. With regular maintenance, inspection, and cleaning, you can prevent these critters from getting near your decking.