What are the best screws to use for composite decking?
If you opt for composite deck screws, be sure to use stainless steel screws that will not rust or corrode. Select a minimum size of #8 x 2.5 in.
How long should composite deck screws be?
Three-inch
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.
Why do composite deck screws have reverse threads?
These screws are designed to make your deck look as pristine as possible. The reverse thread on these screws cuts that mushroom head off, and the concave face pushes the rest of the material down for a natural, flush look.
Do I need special screws for composite decking?
Composite decking can be fastened to treated wood joists with screws or with hidden fasteners. Using composite deck screws is critical because they are specially designed to help hold the material in place. It is also important that all screws be secured at a 90-degree angle to the boards.
What is the best way to fasten composite decking?
Fasten the deck board with composite decking screws along the edge closest to house; drive one screw into each joist. Install a hidden fastener into the edge of the deck plank, placing one at each joist. Use plastic tapping block and hammer to drive the sharpened spikes of the fasteners into the edge of the plank.
Will composite decking hold a screw?
Also, screws can be difficult to install in composite decking products. The high density of these products often require holes to be pre-drilled before the screws can be inserted, which adds time and money to a decking project. Installing decking with a hidden fastening system creates a clean, smooth surface.
Can you screw down grooved composite decking?
Grooved decking has slots cut into both sides so it can be installed with hidden fasteners. This results in a clean-looking deck surface without visible screws. Some brands also sell fasteners designed for their decking (like these).
Do you need special screws for Trex?
Trex recommends the use of two screws per joist. All recommended screws are designed to be installed flush with decking surface. DO NOT countersink screws. Use recommended stainless steel screws in any areas near bodies of saltwater. 2-3/4″ or 3″ screws can be used with Trex 2×6 product.
Will GRK r4 screws rust?
GRK’s Climatek⢠coating meets or exceeds standards, including AC257, approved for use in various types of preservative treated wood. Designed for interior/exterior use, the golden finish nicely matches most wood finishes. GRK’s Stainless Steel Screws are made from 305 grade wire which will not rust.