Tuffblock 12 in. x 12 in. x 3.5 in. Foundation Deck Block

TuffBlocks are a multi-purpose foundation system used for a range of home improvement projects including raised or low-profile decks, walkways, sheds, and much more. TuffBlocks are an extremely popular alternative to digging holes and mixing concrete, which saves both DIY enthusiasts and professional builders time and money. Build faster, with less effort, using a system designed for real-world DIY and contractor builds.

Features

• 28 times lighter than concrete blocks at just 1.5 lbs each
• An individual TuffBlock has been designed to support over 1,700 lbs and has successfully been tested to support over 11,000 lbs
• Accepts 4 in. x 4 in. posts & 2 in. joists
• Unique to the TuffBlock is the ability for low level decking; it is now possible to build a deck as low as 6½ without the need for digging
• No cutting or chiseling required
• TuffBlock's are made of high strength closed loop 100% recycled polyolefine material with an ultra high UV rating

ICC-ES Evaluation Report
Installation Guide