TC-G - Grooved Board Fastener will work in the following lumber/composite varieties: Brazilian redwood Ipe Iron Wood Mangaris PurpleHeart Teak Cambara Meranti Medium Density Mahogany Atlantic White Cedar Cedar Eastern Spruce Eastern White Cedar Port Orford Cedar Western Red Cedar Western Redwood Yellow Cedar Boardwalk ChoiceDek   Elements EverGrain EverX Fiberon Latitude Monarch Nexwood Portico Rhino Deck TimberTech (5/4 planking) Trex UltraDeck solid Veranda Weather Best WeatherShield Elk Endure Moisture shield Symmatrix		TC-G - Grooved Board Fastener with screws 50 sq.ft. pkg at 16" o.c. joists 90 pc count Specs and description   Qty: $54.88 Unfortunately, due to the properties of the following materials, we do not recommend these fasteners for: Pressure Treated Pine Decking Material prone to high shrinkage Hollow Composite decking Decking boards less than 7/8” thick