October 2021

All COOWIN composite products are stain-resistant with warranty (see COOWIN warranty for details). Most stains commonly encountered such as mustard and ketchup will wash away easily within 7 days....

COOWIN 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. So a periodic cleaning ...

Yes, you can put COOWIN decking over a concrete floor with COOWIN composite or metal joists. But do not install decking directly to an existing or solid surface. The deck design must allow adequat...

COOWIN composite material is made of wood flour and plastic. As an alternative to natural wood, it can be used wherever the natural wood is suitable. But neither wood plastic composite nor natural...

Joist spacing requirements vary according to the product type you’ve chosen. You are advised to follow our Installation Instructions and local building codes.

COOWIN composite decking performs well in varying weather conditions, having the lowest thermal movement among all wood-alternative decking. During installation, COOWIN decking will contract only ...

Yes. It is very important that there be adequate and unobstructed air flow under the deck to prevent excessive water absorption. Improve drainage or grade flat areas where standing water may gathe...

As temperatures fluctuate, composite deck boards will naturally experience thermal expansion and contraction. There should always be a gap between the butt ends of the boards to allow for expansio...

No. We do not recommend using nails or nailers, but using screws when installing composite decking. The material is very dense and getting nails to penetrate to a proper depth without bending can ...