TuffBlock Reviews
Reiner K.
This product is so much better than the brittle concrete bases we were looking at!!!
Richard T.
Was looking to build a low floating deck and these were perfect. Simple to use, light and solid. I highly recommend them for building a deck.
David P
Worked perfect as expected. Placed directly on dirt ground. Used to support a 8X10 wood base that holds a shed of the same size.
Citylightsdt
Worked exactly as they said it would. Real sturdy and very good quality. Used them to build an 8 x 7 foot shed on a cement foundation. Just need to make sure surface is level however you use.
AWalkInTheWoods
We had planned to use concrete deck blocks until we discovered these items. They saved us an enormous amount of labor. We were building a tent platform in the woods and this saved us from lugging those heavy concrete blocks. I couldn�t be happier!
Clark Sims
Tuff Blocks are very easy to use and every bit as solid as they are described to be. I will be using them again.
rich juzumas
I first used Tuff Blocks using them to build a small (6' square) deck to serve as a step up to an entry door. I had concerns about frost heaving causing movement and distortion but after three New England winters have detected none. The time and labor savings over alternative footing methods was very welcome. Last year my Covid project was to enlarge our outdoor living space, covering an existing patio and raising it with a 10' x 12' deck to match the height of an existing porch. The structure would have been designed differently using traditional footings to minimize digging and leveling concrete piers. Using span tables and TuffBlock's own recommendations I used a pair of blocks to provide ground support to each joist supporting the rim by short cantilevers. Using this method each joist had to be leveled from the fixed height of the porch deck, which is where the built in flexibility of TuffBlock to accommodate a 4x4 post came into play. In retrospect the hardest part of this project was finding the PT lumber I needed. With TuffBlock the structure can be easily modified or even removed in the future without permanent footings to deal with. Large decks would require caution not to exceed TB's load limits, but with appropriate design they can be the solution for decks up to about 16 x 16 and be incorporated in the design of larger, more traditionally supported decks, for example for changing levels.
JA
I am too old and too lazy to be packing around concrete blocks so these things are the perfect replacement. Got 'em holding up a deck and a couple small sheds and they work great.
Peter Mifsud
The Tuff Blocks were the most economical and time saving solution for our new deck, I would recommend them for any decking project
Kevin Fowler
Easy to use, quick to install. Two DIYers built a 10 x 19 deck in less than 7 hours from scratch. Used 4 x 4's to support joists, because ground was not perfectly level. Only way I see you could use the 2 x 4 slots would be if you were installing on a concrete pad or something PERFECTLY level.
Donna Attanasio
I used the BuildTuff supports under a small DIY shed over three years ago. They were much easier to use than sinking supports into cement. It took some work to get them seated firmly and level, but once we did, the rest of the construction went well. Most importantly, three years later, the shed hasn't budged an inch; it's still level and firmly supported. I'd certainly use these again.
Bryan Dailey
Easy to use and work well
DeckDan
Tuffblocks are awesome. I build about 15 decks a year , and these Tuffblocks make is so much easier than anthing I've used in the past.! Don't have to dig for 4x4 posts. Just level the ground and lay them down...super easy.
Marc B
Yes and my wife decided to build a deck on our own but we wanted to keep low to the ground. This saved us time and it's holding up perfectly. And yes they are pricey but well worth it.
EricM
I am the ultimate novice. I was so nervous to build my own deck but lot's of time on my hands. I was on the verge of buying the concrete blocks when I found these and watched the video. Could not have been easier. I had a contractor friend come buy and look at the tuffblocks before I did my job and he was blown away and is now using them for a deck he is building. Highly recommend!
Larry
All construction starts with a good foundation, I was going to go with the concrete piers which are heavy and not always cut very well, when I found these Tuff Blocks from Lowe. I bought 21 of the Tuff Blocks and I must say very impressed 4x4 posts, 1 inch lumber or 2 inch works great extremely light and durable. Your next construction project start with Tuff Blocks!!
rogerkk
easy to use. Used these for a footing base set on the ground for a 4x5 platform for our new above ground pool. used 2 against the pool wall and 2 stacked for the side away from the pool. fit a 4x4 good and feels sturdy.
Stanislav Havkin
A+++!!! Very ease to work !!! Like Lego !!! Recommended to everyone !!! Thanks !!! Stan.
Jason Hagan
This product definitely surpassed my expectations. I built a 10' x 10' deck and the time and money saved by using the Tuffblocks kept my project under budget. Shipping was extremely fast with zero issues. The next deck I am involved with I will definitely use Tuffblock again!
Sean Stahlhut
A great product. Made my life easy as a first time deck builder. We have very sandy soil in WA, so way easier than digging and using concrete. Very stable. Excellent cost effectiveness.
tim2
Great product, used as footing for 4 x 4 posts, for a deck about 18" off the ground butting up to a concrete wall. It makes leveling the joists easy. But you can't put support posts right beside the wall because the bottom surface is so wide it pushes the posts several inches away from the wall. Also if you use these to support posts at or near the edges or corners of your deck you are going to see them sticking out several inches beyond the edges of your deck. So I only used them to support posts on the interior of the deck and nail my joists to the posts. For the edges of the deck I had to use other supports because I didn't want black plastic sticking out beneath the edges. There is already a photo on here that shows them sticking out so I won't add another.
Donny C
Love them.lighter, stronger better then the concrete ones.
Bones
These are the best! Toss them down and build. Saved so much labor!
Lolo Bass
We are amateurs, and this product helped us build a professional-looking deck. It�s easy to use, they are lightweight, and using them ensures we ended up with a sturdy deck.
Bordoods
Easy peasy
Big O
Ordered them, they took a bit longer to get them than originally calculated but after I talked to someone, I got them quickly. They seem very sturdy and a great option for not digging holes.
James Ostapenko
High quality and easy to use product. Used >100 to build 50 sq/m deck. Deck is 18 months old, has not moved and looks great. BuildTuff team were amazing with their support, particularly discussing QTY and spacing for this huge project. Highly recommend!
Kizibits
These BuildTuff TuffBlocks make building a floating deck EASY! No digging required for your 4x4 posts. We built our deck on a slope and were able to cut our 4x4s to fit easily. Two of the joists along the back were right at ground level and we were able to use the TuffBlocks directly with them, too. Just had to level a small patch of ground for each of the blocks.
Nick A
Super simple to use. Installed my deck structure in an afternoon. Rock solid.
Gordon A. Moccio
My son who are novices built a 15x10 floating deck using Tuff Blocks, just layem down, level them with leveling sand or aggregate and you are good to go!
Dave P
I am building a ground-level deck off the back of the house, but not quite ON the ground, and I have a pretty good pitch heading away from the house. I didn't want to hang a ledger board at all, let alone so low to the ground, and I didn't want to dig piers at any point. So I opted for a floating deck. I hated the concrete block idea, then I found these - Eureka!!!. I have them supporting the horizontal 2X6 joists next to the house where I was able to get them low enough to fit under the doorframe, and I used them with a vertical 4X4 at the opposite end at about 10-12" high. You could probably drive a car onto my frame with these! (I supported every other joist as seen in the photo, before filling in the rest of the joists).
Drayton Sawyer
I used 12 of these Tuffblocks as footings for 4x4 deck posts on top of my concrete patio. I am thoroughly impressed with the quality of the Tuffblock, and would highly recommend them.
Webba
Very happy with the TuffBlock system. Customer service was friendly, knowledgeable, and helpful. I asked several dozen questions over Facebook chat before purchasing. Blocks are light, sturdy, and work well as advertised. Would not hesitate to purchase again for my next build.
James Bennet
Worked great in place of concrete blocks that are heavy. No problem in using. Thanks
Sam D
I used these to make a 7 x 12 foot floating deck by my bocce court. They work great! Very stable and with much less digging and hassle than traditional methods. Because of their low profile the deck is very close to the ground, which works out great!
BK
These worked great for my ground level deck! Very easy to use & install, but be prepared because you need more of these than you would with standard footings. Still better than digging those holes and adding concrete!!
Jack Bibby
Brilliant design! Such a great alternative to deck blocks.
Chris D
Great product especially for low height decks. Easier to work with and still stable. No need to dig down into the ground to bury the pier block and for instances like mine where I was decking over a concrete pad height was going to be an issue and this solved it.
Brett
The TuffBlock Foundation System worked well!
peter spencer
We had an old concrete porch removed for restumping and I was working out the cost of a new timber deck. Stumps, timber, labour and other costs made it very expensive to replace, so I started looking for alternatives to stumps plus I want to do the job myself. I discovered TuffBlocks from buildtuff. I completed my deck, made it the same height a the front door and it was so simple to get the levels and they went straight onto a firm gravel substrate. They were so easy and simple to use I brought more to do a deck out the rear of the home. My front porch measured 5.7mts x 2.7mts, my rear deck is 4mts x 6mts and I am sure I will have pleasure doing the rear deck
David Smith
Amateurish builder that I am and not able to concrete, but looks great and makes me look like a professional. Easy to use and looks great.
Kate Meaker
These were so much easier to use than heavy block. I had to work around some immovable rocks and was able to be flexible in placing these to provide plenty of support. Would definitely recommend.
jerry
Wish these were around when I first built the deck many years ago. Refortified and shored up the sturdiness with these supports. Better than new now.
WildBill
For a deck on the ground or low deck (one foot or less, this product is ideal. The blocks can sit on the ground or dug-in a little to get the ideal height or level the deck. These blocks are a very good alternative to concrete blocks or poured concrete footers. The blocks support 4X4 vertically and 2X boards horizontally. I am very pleased with the TuffBlocks.
Bemiskendall
Easy and effective. Made a two tiered floating deck 20' X 20' without concrete, anchors, so simple it should be illegal. Solid as a rock also.
David
We were looking to put some flooring down in our basement, but didn't want to pour a foundation. These piers were just the ticket, keeping things off the ground and easily leveled with 4x4 shims.
Safetybay WA
Easy to use and very solid. Just had to get them level then all good.
mike
used these to support my deck, much better than try to lug concrete blocks under the deck
Paul D
Great product! Used these to support deck posts for a low-height project. Set them on some concrete/paver base, tamped them in, framed and leveled up, and attached the deck boards. A framing nailer really sped things up. Went through the winter fine (very little snow, and kept is shoveled off) and we are enjoying the deck now. Would definitely use again.
Dan
works great for supporting my perimeter of mobile home
JilleB
Lifesaver! This product saved me thousands of dollars! The floor of my 1800�s barn kept washing out. We removed all the old wood and damaged beams. My carpenter was going to put new support beams in and replace the floor running 10-20k! I was convinced I could put a deck floor in there using cinder blocks. After researching this, I found Tuff Blocks. I ordered them and they were delivered quickly. I put some gravel from the driveway into the barn, tampered it down and laid the Tuff Blocks out. With some leveling we got the joists placed and screwed in the floor boards. It was a couple day job. Very easy and cost me about $900 in materials. The beauty is I can easily unscrew it and pull it up if we have another flooding issue. I couldn�t be happier with it and I owe it to these fabulous Tuff Blocks!
SHARON GENEROTTI
Sturdy Just as shown
Jodie Richardson
I'm very proud at my first attempt at decking.
Chas
That�s two decks with the TuffBlocks. the one on the right, 10x12 done four years ago and the Christmas 2020 abutting left 10x8.5x7x9� special cut deck, supported entirely with these superbly designed, super tuff no digging support. If you are serious about ground level, NO Piling under structure,you GOTTA consider these TuffBlocks.
Steve
The low profile works and light weight well for many applications While keeping the wood off of the ground to reduce the probability of rot.
Dave Warner
These are great!!! So easy to maneuver and no digging is needed. If you need to move the TuffBlock you just easily scoot it over. Holds deck well and is Rock Solid.
James
High quality product and easy to use!
Mr. Nister
I'm almost done building my first deck. This product is exactly as advertised - just go to their website and you'll be impressed. My deck is in a wooded area. My original plan was to dig holes forfooters but this proved impossible because I did not want to disturb the root system of surrounding trees. Problem solved! Well made and beautifully engineered product.
Butch Sherman
16 x 16 36" to 65" height from ground worked amazingly and look forward to using them for walkways
BillT
I was looking for a replacement to traditional deck blocks. The weight and ease of transport of the tuffblock had me sold! I used these to build a large 20 x 20 deck over an old patio. The quality of these blocks is great and they work exactly as advertised. I would definitely recommend them to anyone looking to build a floating structure.
Troy Wheat
I used Tuff Blocks to build a deck around my pool Spring of 2020. They were easy to use with 4x4 posts and so far, are holding up well!
Troy Wheat
I used Tuff Blocks to build a deck around my pool Spring of 2020. They were easy to use with 4x4 posts and so far, are holding up well!
HappyCamper
SOOOOOOOO much easier to work with than pier blocks. And since we wanted the deck to be low to the ground, it eliminated the need to dig the pier blocks into the ground..... 30 times!!! Fabulous!
Dan Jacobs
Used these for my shed foundation since I am unable to pour concrete. I'm glad I went with these. It saved me time, money and it was way easier than making a concrete base. I'm going to build a deck in my yard next year and I'm definitely going to use these.
Clu
These lightweight blocks made building a 10x10 floating deck easy. They don't require digging, are much lighter and easier to place than concrete blocks, and the finished deck is sturdy and stable. They're a great product!
Leo
We used these for a 16' by 10' ground deck. Easy to maneuver, place, cover and use.
They sit lower than the concrete blocks and are fraction of the weight.
It has the versatility of using for 2 by joists, double joists, and 4 by posts.
The largest case gives you 24 pieces so plan accordingly
Sherry Brown
My deck is only 1� off the ground and the cement blocks were too heavy bulky and tall. These Tuff Blocks were perfect. Maybe I shouldn�t mention is that we even cut a portion of the front off so that it would not stick out further than the deck and it was very easy to cut with an elect saw. Obviously the deck is not done but you can see what we were working with. They are fantastic!!
George Finn
These are simply amazing. I know the costs is steep, but so worth it to not dig in clay and rock...which is all I have after 3 inches of topsoil.They are really sturdy!
dl
Very durable and should be fine for the job
Brad666
Fahking awesome. Worth every penny. Cut hours (a day?) off the project
Jared G
These were a fantastic way to build a nice low profile foundation for a shed. Simple to use, very sturdy.
JJH
It was my first time to use them and they are dramatically easier to work with than the concrete version! Time will tell how they work out but they seem to be great
STARLA
These blocks made building our platform decks much simpler. They are easy to use and make a solid foundation.
Jeffrey
I loved not having to dig for the usual concrete block! They allowed me to build a low level deck that is only 6 inches above the existing sidewalks. They appear sturdy enough to perform as advertised. Only time will tell.
Brett Eagles
We recently used the Tuff Block foundation system to build a deck over a septic tank for our clients in Woodend, Victoria. The Tuff Block foundation system worked well and we will definitely use this product again. Brett, Eagleye Building
Daniel V
A bit more cost than concrete deck blocks but so much better and easier to carry, position, and install. The 4 by 4 posts I used had a snug fit. I ran a couple deck screws through the bottom of the block into the upturned post but I doubt that would have been necessary. I've used concrete deck blocks on the past but never again. These are the way to go.
Chris
We love TuffBlocks!
Jane Cooke
This product was perfect for what I needed. Tuff block has a low profile which is the reason I purchased it. It worked great.
Carlos
Super easy to use for a total beginner!
Gerard R
I was very pleased to see how easy it was to install these under my deck. I used these for extra support because originally when my deck was built ( probably 25 years ago) they put the posts directly in the ground and I noticed some surface decay was starting to occur.
Frank Davids
Light and strong. Easy to adapt to your needs. I used it to repair the footings of my deck.
Fuzz
They are a little expensive, but worked good for our patio,
Jordan Howells
Used for 6 posts of a playhouse, they are perfect.
Robert Powell
Great foundational support for small to medium size decks.
Chale
Great product. Easy to handle it (not like concrete blocks that extremely heavy)
J.A.M.
These were so easy to use and saved us hours of work!!! Some of our supports were 2" and some 4" - for the 2" that were close to the ground we were able to add a board and slip them in on the 4" we were able to add posts and attached then with metal plates. I now feel certain our platform will hold our hot tub! If I was building another low deck I would definitely use them again.
Jwhite
I bought 24 of these when I realized how much effort if would be to have used those heavy (but less expensive) concrete blocks for a small 9x9 deck project. DIY meant substantial savings overall and the deck looks great.
Used treated 2x6's and a few structural screws at the corners and it is very solid.
Jesse
Got these for a porch addition and they were wonderfully easy to use!! Very versatile and porch has already been put to the test and they have done a great job!! When we add additional footage we will use them again!!
Peter
I would recommend TuffBlocks!
Duende
Easy to work with it nice pieces to build a deck
Highly recommend
Paul King
The initial problem I had was installing a deck over ground full of underground services such as Gas, water, telecommunications, mains power and a main sewer. I was put on toy TuffBlocks and used the website and applied them to the job. The block are light and simple to place and as my soil has rocky spots I used a grout bed to seat the blocks in position. The block has provision for a bearer to sit into them as well as the stumps I have used. The TuffBlock as yo can see has a small low footprint avoiding the issues you get around access and stairs. Refer to the photos
Carol A.M. Cole
Light weight and easy to use
jake
These are a life saver and complete game changer. Used decks.com to get the specs for my deck and was very happy with these in our space. Our deck is a lower profile which I�m happy with and these were uncomplicated to move around and change up
Tim Woods
To build a a low profile deck in my back yard. I enjoyed the ease of use and the stability of the product.
The Trevino Family
These were perfect as the base of our new deck. It saved us digging, pouring concrete, cutting posts, etc.
Paul
Easy Installation
Sean
A great product!
Madae Kim
Very sturdy. I needed to keep my joists close to the ground so these worked out great. Way easier to work with than concrete blocks.
Rsalinas2002
Wow, what a time saver these blocks turned out to be, rather than having to dig down. I was able to level the top soil and place these right on top! Where I live there are a lot of trees (Redwoods) with large and extensive root networks. Once again a live saver!!! Also these were much less expensive than the traditional foundation blocks.
INSTANT FOUNDATION SYSTEM
TuffBlocks are a multi-purpose foundation system used for a range of home improvement projects including low profile decks, garden sheds, landings, pathways, cubby houses, dog shelters and more.
TuffBlocks are an extremely popular alternative to digging holes and mixing concrete, which saves both DIY enthusiasts and professional builders time and money.
Not only are you building more effectively and efficiently, you’re building smarter with 100% recycled plastics.
| Product Dimensions | Size & Weight |
|---|---|
| Width | 11.81” |
| Height | 3.54” |
| Length | 11.81” |
| Weight | 1.5lbs |
| Specification | Instant Foundation System |
|---|---|
| Model Name | TuffBlock Instant Foundation System |
| Model Number | 14010001 |
| Dimensions | Width 11.81", Height 3.54”, Length 11.81” |
| Weight | 1.5lbs |
| Material | High strength closed loop recycled polyolefin material with an ultra-high UV rating |
| Material Color | Black |
| Load Rating | 1,700 lbs |
| Stirrup Width | Suits 1½ - 2-inch joists and bearers, 3½ x 3½ inch or 4 x 4-inch square posts |
Questions that are answered in this TuffBlock FAQ video:
0:00 What is a floating foundation system?
0:31 How much weight can each TuffBlock support?
0:43 Are TuffBlocks UV resistant?
0:58 Can I use TuffBlocks on sloping ground?
1:14 Do I need council approval?
1:34 How do posts/joists sit in the TuffBlock and do they require fixing?
1:56 Can TuffBlocks be used on wet surfaces?
2:22 Can I use TuffBlocks on sand?
2:35 Will TuffBlocks sink into the ground?
3:08 Can I use TuffBlocks in high wind areas?
3:27 How many TuffBlocks will I need for my project?
3:57 What if I have ground movement in my area?
Please note. This FAQ video relates to both the TuffBlock and Evo-Crete Handi Block products. BuildTuff offers this information as a general guide only. You should rely only on relevant building codes and standard industry established construction methods in any construction project. For our Master FAQ, please click here.
Posts: Accepts 3.5" x 3.5" or 4" x 4" Posts
Joists & Bearers: Accepts 1½ - 2" Joists & Bearers
Deck Area Calculator & TuffBlock Estimator
Please use our custom TuffBlock Calculator to estimate your TuffBlocks or use the table below.
| Deck Length (feet) | Deck Width (feet) | Deck Area Calculator (square feet) | Estimated TuffBlocks |
|---|---|---|---|
| 8 | 12 | 96 | 24 |
| 20 | 10 | 200 | 42 |
| 20 | 12 | 240 | 42 |
| 30 | 10 | 300 | 60 |
| 20 | 16 | 320 | 56 |
| 35 | 10 | 350 | 72 |
The number of TuffBlocks required is based on 16 inch centers when calculated.
Geometric calculations only (imperial). Check local building regulations for required material, sizes and spacing.
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Ultra-Lightweight
TuffBlock is an ultra-lightweight concrete block alternative with each TuffBlock weighing just 1.5 lbs. A TuffBlock is 19 times lighter than a concrete block and 11 times lighter than the Evo-Crete Handi Block.
TuffBlock Versatility
TuffBlock's versatility means it can be used across a range of projects. TuffBlocks can also be used as an intermediary solution when used in combination with traditional in-ground concrete methods, where the application requires anchoring.
Strong & Tough
Made in America for professionals and home improvement renovators. Each TuffBlock is incredibly strong, with its vertical load designed to support up to 1,700 lbs and is break tested to 11,000 lbs.
Circular Economy
TuffBlocks are 100% recycled and made from high strength closed loop polymers. Each TuffBlock is made from materials destined for landfill and our oceans. Even better than that, each off-cut is repurposed into a future TuffBlock.
DISCOVER SMARTER WITH
- What are TuffBlocks made from? TuffBlocks are made from high strength recycled plastic. The lightweight material means they’re easily stacked and transported to job sites, unlike traditional concrete deck block methods.
- What's TuffBlock's warranty? TuffBlocks will not chip, crack, corrode or grow mold. We're so confident in our TuffBlocks, we offer a 25 year warranty
- How does TuffBlock save me time? TuffBlocks are perfect for all skill levels and can be used in conjunction with traditional methods to save time and cost. It removes the need for the digging of holes, the pouring of concrete and shifting any subterranean obstacles, like tree roots or pipes.
- Who uses TuffBlocks? TuffBlock empowers professional builders and DIY renovators alike to tackle any project. Build your own outdoor creation, minus the hard labor and long hours. When your reputation and time matter, discover the smarter way to build using TuffBlock.
BUILD USING AN INSTANT FOUNDATION SYSTEM THAT IS DESIGNED TO LAST
"These worked great for my ground level deck! Very easy to use & install, but be prepared because you need more of these than you would with standard footings. Still better than digging those holes and adding concrete!"
B.K / Home Depot / October, 2020 / 5 stars
"I am the ultimate novice. I was so nervous to build my own deck... I was on the verge of buying the concrete blocks when I found these (TuffBlocks) and watched the video. Could not have been easier. I had a contractor friend come by and look at the Tuffblocks before I did my job and he was blown away and is now using them for a deck he is building. Highly recommend!"
Eric M / Lowes / July, 2020 / 5 stars
"I was looking for a replacement to traditional deck blocks. The weight and ease of transport of the Tuffblock had me sold! I used these to build a large 20 x 20 deck over an old patio. The quality of these blocks is great and they work exactly as advertised. I would definitely recommend them to anyone looking to build a floating structure."
Bill T. / Lowes / August, 2020 / 5 stars
- Award Winning
- Highly Versatile
- 100% Recycled
- Won't Crack or Chip
- Load Rated
- 25 Year Warranty
USA Wide Shipping
We deliver across the USA with Free Shipping
Our Guarantee
We're so confident in our products and service, we offer a 25 year warranty on your TuffBlocks & offer a Buy Back Policy for any unused TuffBlocks
Support 24/7
We're building a smarter building community.
Contact Us anytime
Frequently Asked Questions (FAQ)
It is completely dependent on the project. As a general rule, if you’re supporting joists directly on the TuffBlocks, you will need to support the joists with a TuffBlock at every 4.92 feet intervals. Joists will need to be spaced at a distance appropriate to the finished material. For example; it is recommended that some decking timbers be spaced at 17 inches. It is always best to check with your timber material supplier for material specific recommendations.
Deck blocks were introduced over 30 years ago in the USA and since then, instant foundation blocks have been embraced worldwide for creating strong and stable foundations for both professional and DIY projects. TuffBlock's are an extremely popular alternative to digging holes, carrying heavy concrete blocks, mixing concrete and waiting for it to set. TuffBlock's are a versatile utility block and the options are endless for how you can use them to make completing your projects a breeze.
Yes. Especially when you consider the time and effort taken to dig multiple holes and then mix the concrete to fill them back in, not to mention the cost of buying the steel post supports and bags of concrete in the first place. Generally a steel post support and two bags of concrete will set you back around $24-30 USD. Even if you use a few more TuffBlocks, you are still well ahead of the old conventional footing method.
TuffBlocks have been engineered for structures up to 36" above ground. Having said this, many people have built structures higher than this using the composite foundation method (TuffBlocks in combination with concrete-in-ground footings). We recommend that you consult with a qualified builder or engineer regarding your project.
TuffBlocks have been engineered to be stackable and only weigh 1.5 lbs each, compared to that of a traditional concrete deck block that weighs 41.5 lbs each!
Made in America for professionals and home improvement renovators. Each TuffBlock is incredibly strong, with its vertical load designed to support up to 1,700 lbs and is break tested to 11,000 lbs.
Great question and yes we do offer a Buy Back Policy for remaining TuffBlocks not used at the end of a build!
You can find our Master FAQ here, with our full list of TuffBlock questions answered.
