Deck-Tite Composite Decking Plus Screws - Decking Screws - Stainless Steel Deck-Tite Composite Plus is available in five different coloured heads; black, brown, dark brown, dark grey and grey. Match the colour of the head to the colour of your deck boards. They are ideal for all composite board. The stainless steel material guarantees against corrosion on all applications, including: Marine & Coastal areas Pressure-treated timbers such as - Tanalith E and ACQ All hardwoods, eliminating tannin staining (pilot hole necessary) All composite woods Unique to Deck-Tite Composite Plus are three thread forms: The first thread - singe thread drives in without reaming Second thread - draws the swarf back into the substrate to eliminate 'jacking' Third thread - clamps the composite boards tight Deck-Tite Composite Plus has achieved DarkMark Plus status. DeckMark Plus is a quality scheme operated by the Timber Decking and Cladding Association (TDCA). The TDCA are a technical and advisory body that operates on a not for profit basis. They provide decking advice and guidance on correctly specifying and installing timber decking and timber decking care and maintenance.