Grabbergard exterior grade finish is a high-grade proprietary Grabbergard exterior grade finish is a high-grade proprietary metal surface processing technology designed to reduce corrosion. The screw includes an encapsulated substrate bonded with the surface coating through a thermal fusion process.
Face fastened deck boards leave unsightly screws on the face of the deck boards which takes away from the visual aesthetics of the deck. Prevents Nail Pops: When deck boards are fastened by driving the fastener through the face of the deck surface a dangerous situation could occur.
Screw-piles and helical anchors are generally limited to installation in soils that have a maximum grain size less than about 60% of the pitch of the helices. For a typical pitch of 3 in. this means a maximum grain size of about 1 34 in, or medium gravel.
Shanghai Seven Trust Industry Co., Ltd, founded in the year 2008, is a hi-tech enterprise which specializes in the R&D, sales, and service of WPC materials, Provide excellent products, professional technology and sincere service.