YOU NEED A LARGE BARGE?

We have a lot of cutomers who are looking to build large barge systems for house boats and work platforms. Our 37" wide floats work great for such vessels, but supplying a manufactured frame system for this application is a real challenge for a handful of reasons. We can still help get your massive dream platform out on the water, but only one frame system is available directly through us. Hear us out on this before leaving this page as there is a lot to read, but we have three options presented below.

OPTION A:
BUILD A FRAME OUT OF STEEL

If you need a work barge to drive heavy equipment onto, this is the best option. The top of the floats have 2" wide, 4" deep pockets that accept structural steel tube and make for a super strong platform. There are many ways to build a frame system out of steel, and they're all heavy, but this is the way to go for high-capacity, high-impact applications. Welded steel structures are simple and quick to build and don't require any complicated geometry or materials. However, you must protect the frame system with paint, or have it galvanized as a whole when completed to keep it protected from the elements. A galvanized structural steel platform is heavy, but it's as strong and resiliant as you'll get for applications where you have to carry big equipment.

We are happy to have verbal discussions concerning steel frame design, but we will not design a frame system for you. We will not provide drawings, price out materials, provide any strength analysis, or email any details on a steel frame design. If you intend to build a steel frame for your boat and do not have experience with such things, we strongly recommend working with a structural engineer.

OPTION B:
BUILD A FRAME WITH STANDARD STRUCTURAL ALUMINUM MATERIALS

We have a complete line of bolt-together frame systems designed that we were offering (discontinued April 2022), but due to a few different market conditions, it simply doesn't make sense for us to do so any longer. To avoid unecessary discussion, here are the reasons for the discontinuation:

-Required 5"x2", 1/4" wall rectangular aluminum tube is NOT available on the east coast and has to be trucked in from the northwest US.

-Required material prices are constantly fluctuating. This means that we spent quite a bit of time obtaining quotes for materials from multiple vendors that are too expensive to stock, and quotes are valid for a very short period of time. Customers do not make large purchasing decisions quickly, and all quotes provided end up being invalid within a matter of a few days.

-Required machining of I-beam bolt hole flats add a considerable amount of time and cost to the frame system (see notes below).

-We absolutely CANNOT ship anything beyond 15' in length at this point.

-Quoted complete frame systems end up being more than a customer is willing to spend every time we provide a quote due to all combined factors.

The short of it is that the bolt-together frame systems that we designed using aluminum rectangular tube and I-beam end up being far too expensive and time consuming on this end and customers simply don't buy them. However, we're happy to share the designs so that you can build them. All of the specifications and complete CAD drawings for these systems are listed below. If you choose to build one of these designs, please contact us and we'll be happy to provide you with our sources for the aluminum tube and I-beams.

We are happy to have verbal discussions concerning these frame systems, but we WILL NOT price them out and WILL NOT provide further design advice for this system via email. If you want to discuss the designs listed below, please call us. ALL of the design info that we have available for this system is listed in the tables and CAD files you can download below. Also, no, we will not provide 2-D drawings of any of these sytems. We simply can't spend time on a product line that we no longer sell.

NOTE:

Please be aware that the required American Standard aluminum I-beams our designs call for have tapered flanges. This means that in order to properly bolt to the flanges, you need to machine flats for every bolt you install. Otherwise, the bolt head (and washer) will not sit flat against each other, which greatly diminishes the strength of each bolt. Please view the diagram below for a better understanding.

10' & 12' WIDE PONTOON BARGE SYSTEMS
WITH 37" WIDE FLOATS

(OPTION B SYSTEM)

NOSE CONE BARGE MODULES WITH 2 ROWS OF FLOATS:

10'X8' NC module 10'x12' NC module 10'x16' NC module 10'x20' NC module 12'X8' NC module 12'x12' NC module 12'x16' NC module 12'x20' NC module
Pontoon width 37" 37" 37" 37" 37" 37" 37" 37"
Overall width 120" 120" 120" 120" 144" 144" 144" 144"
Overall length 99.4" 147.4" 195.4" 243.4" 99.4" 147.4" 195.4" 243.4"
Platform width 120" 120" 120" 120" 144" 144" 144" 144"
Platform length 74" 122" 170" 218" 74" 122" 170" 218"
Frame & float kit weight 883 lbs. 1358 lbs. 1833 lbs. 2308 lbs. 941 lbs. 1442 lbs. 1943 lbs. 2444 lbs.
Frame & hardware kit only weight 433 lbs. 638 lbs. 843 lbs. 1048 lbs. 491 lbs. 722 lbs. 953 lbs. 1184 lbs.
Weight of floats only 450 lbs. 720 lbs. 990 lbs. 1260 lbs. 450 lbs. 720 lbs. 990 lbs. 1260 lbs.
Capacity of floats 2610 lbs. 4318 lbs. 6026 lbs. 7734 lbs. 2610 lbs. 4318 lbs. 6026 lbs. 7734 lbs.
Capacity of frame & float kit 2177 lbs. 3680 lbs. 5183 lbs. 6686 lbs. 2119 lbs. 3596 lbs. 5073 lbs. 6550 lbs.
Height of I-beam crossmembers 3" 3" 3" 3" 3" 3" 3" 3"
Number of crossmembers 9 13 17 21 9 13 17 21
On-center spacing of crossmembers 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12"
.STEP CAD MODEL** 10x8 NC MODULE 10x12 NC MODULE 10x16 NC MODULE 10x20 NC MODULE 12x8 NC MODULE 12x12 NC MODULE 12x16 NC MODULE 12x20 NC MODULE

BLUNT END BARGE MODULES WITH 2 ROWS OF FLOATS:

10'X8' BLT module 10'x12' BLT module 10'x16' BLT module 10'x20' BLT module 12'X8' BLT module 12'x12' BLT module 12'x16' BLT module 12'x20' BLT module
Pontoon width 37" 37" 37" 37" 37" 37" 37" 37"
Overall width 120" 120" 120" 120" 144" 144" 144" 144"
Overall length 98" 146" 194" 242" 98" 146" 194" 242"
Platform width 120" 120" 120" 120" 144" 144" 144" 144"
Platform length 98" 146" 194" 242" 98" 146" 194" 242"
Frame & float kit weight 1051 lbs. 1526 lbs. 2001 lbs. 2477 lbs. 1122 lbs. 1623 lbs. 2124 lbs. 2625 lbs.
Frame & hardware kit only weight 511 lbs. 716 lbs. 921 lbs. 1127 lbs. 582 lbs. 813 lbs. 1044 lbs. 1275 lbs.
Weight of floats only 540 lbs. 810 lbs. 1080 lbs. 1350 lbs. 540 lbs. 810 lbs. 1080 lbs. 1350 lbs.
Capacity of floats 3416 lbs. 5124 lbs. 6832 lbs. 8540 lbs. 3416 lbs. 5124 lbs. 6832 lbs. 8540 lbs.
Capacity of frame & float kit 2905 lbs. 4408 lbs. 5911 lbs. 7413 lbs. 2834 lbs. 4311 lbs. 5788 lbs. 7265 lbs.
Height of I-beam crossmembers 3" 3" 3" 3" 3" 3" 3" 3"
Number of crossmembers 11 15 19 23 11 15 19 23
On-center spacing of crossmembers 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12"
.STEP CAD MODEL** 10x8 BLT MODULE 10x12 BLT MODULE 10x16 BLT MODULE 10x20 BLT MODULE 12x8 BLT MODULE 12x12 BLT MODULE 12x16 BLT MODULE 12x20 BLT MODULE

*Above weight capacities are rated at half submersion of the pontoons.
**Main Beam bolt holes are omitted from CAD models.

14' & 16' WIDE PONTOON BARGE SYSTEMS
WITH 37" WIDE FLOATS

(OPTION B SYSTEM)

NOSE CONE BARGE MODULES WITH 3 ROWS OF FLOATS:

14'X8' NC module 14'x12' NC module 14'x16' NC module 14'x20' NC module 16'X8' NC module 16'x12' NC module 16'x16' NC module 16'x20' NC module
Pontoon width 37" 37" 37" 37" 37" 37" 37" 37"
Overall width 168" 168" 168" 168" 192" 192" 192" 192"
Overall length 99.4" 147.4" 195.4" 243.4" 99.4" 147.4" 195.4" 243.4"
Platform width 168" 168" 168" 168" 192" 192" 192" 192"
Platform length 74" 122" 170" 218" 74" 122" 170" 218"
Frame & float kit weight 1358 lbs. 2086 lbs. 2813 lbs. 3541 lbs. 1425 lbs. 2183 lbs. 2940 lbs. 3697 lbs.
Frame & hardware kit only weight 683 lbs. 1006 lbs. 1328 lbs. 1651 lbs. 750 lbs. 1103 lbs. 1455 lbs. 1807 lbs.
Weight of floats only 675 lbs. 1080 lbs. 1485 lbs. 1890 lbs. 675 lbs. 1080 lbs. 1485 lbs. 1890 lbs.
Capacity of floats 3915 lbs. 6477 lbs. 9039 lbs. 11601 lbs. 3915 lbs. 6477 lbs. 9039 lbs. 11601 lbs.
Capacity of frame & float kit 3232 lbs. 5471 lbs. 7711 lbs. 9950 lbs. 3165 lbs. 5374 lbs. 7584 lbs. 9794 lbs.
Height of I-beam crossmembers 4" 4" 4" 4" 4" 4" 4" 4"
Number of crossmembers 9 13 17 21 9 13 17 21
On-center spacing of crossmembers 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12"
.STEP CAD MODEL** 14x8 NC MODULE 14x12 NC MODULE 14x16 NC MODULE 14x20 NC MODULE 16x8 NC MODULE 16x12 NC MODULE 16x16 NC MODULE 16x20 NC MODULE

BLUNT END BARGE MODULES WITH 3 ROWS OF FLOATS:

14'X8' BLT module 14'x12' BLT module 14'x16' BLT module 14'x20' BLT module 16'X8' BLT module 16'x12' BLT module 16'x16' BLT module 16'x20' BLT module
Pontoon width 37" 37" 37" 37" 37" 37" 37" 37"
Overall width 168" 168" 168" 168" 192" 192" 192" 192"
Overall length 98" 146" 194" 242" 98" 146" 194" 242"
Platform width 168" 168" 168" 168" 192" 192" 192" 192"
Platform length 98" 146" 194" 242" 98" 146" 194" 242"
Frame & float kit weight 1618 lbs. 2345 lbs. 3073 lbs. 3800 lbs. 1700 lbs. 2457 lbs. 3214 lbs. 3972 lbs.
Frame & hardware kit only weight 808 lbs. 1130 lbs. 1453 lbs. 1775 lbs. 890 lbs. 1242 lbs. 1594 lbs. 1947 lbs.
Weight of floats only 810 lbs. 1215 lbs. 1620 lbs. 2025 lbs. 810 lbs. 1215 lbs. 1620 lbs. 2025 lbs.
Capacity of floats 5124 lbs. 7686 lbs. 10248 lbs. 12810 lbs. 5124 lbs. 7686 lbs. 10248 lbs. 12810 lbs.
Capacity of frame & float kit 4316 lbs. 6556 lbs. 8795 lbs. 11035 lbs. 4234 lbs. 6444 lbs. 8654 lbs. 10863 lbs.
Height of I-beam crossmembers 4" 4" 4" 4" 4" 4" 4" 4"
Number of crossmembers 11 15 19 23 11 15 19 23
On-center spacing of crossmembers 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12" 6" / 12"
.STEP CAD MODEL** 14x8 BLT MODULE 14x12 BLT MODULE 14x16 BLT MODULE 14x20 BLT MODULE 16x8 BLT MODULE 16x12 BLT MODULE 16x16 BLT MODULE 16x20 BLT MODULE

*Above weight capacities are rated at half submersion of the pontoons.
**Main Beam bolt holes are omitted from CAD models.

OPTION C:
EASIEST SYSTEM TO BUILD
REQUIRES THE MOST TIME TO GET

We have a bolt-together system that is a scaled up version of our small pontoon boat kits (small kits go up to 15' in length). This system is minimizes the amount of effort required to assemble the boat and allows for a lot of flexibility in the layout. The kicker is that the aluminum frame components are too expensive to stock, so they are always made to order, and orders from the local extrusion plant with our dies are taking 8-9 months to fill. There are are a few other caveats about this design that cause challenges and the positives and negatives of this system are listed below.

POSITIVES:

-Frame system is easy to bolt together and uses standard hardware.

-Main beam extrusion does not require special machine work as slots for square nuts are integral in the design.

-Flange-tube crossmembers are strong and have flat bolting surfaces designed into the part (one operation machining of bolt holes).

-LESS THAN HALF the amount of machine work goes into this system than in option B listed above.

NEGATIVES:

-8-10 month turn-around time

-Customer MUST order a minumum of 2000 pounds of ANY material in this kit of any given length. That means a minumum of 2000 pounds of Main Beam and 2000 pounds of Flange Tube extrusion, regardless of the needs of a particular boat.

-Each barge module has a maximum length of 244" (2" overhang on either end of 20' boat) and a maximum width of 14' (we are not able to machine parts longer than this due to facility limitations - crossmembers are available up to 18' in length WITHOUT bolt holes machined).

-We absolutely CANNOT ship anything beyond 15' in length at this point.

-Frame systems longer than 15' MUST be picked up at our machine shop in Concord, NH and tractor trailer trucks are not permitted on the grounds of our facility.

If you are a house-boat manufacturer, or if you are have multiple boats to build, this is a great option if time is on your side. If you need to build a boat in the next month or two, this simply is not an option for you. However, if you do have time to spare, this is a fantastic option as it's so easy to assemble.

An info table will soon be posted providing specifications and CAD files for existing configurations.

NOTE:

Please be aware that when purchasing our large bolt-together frame kit, you are not purchasing a complete boat with a hull identification number (HIN) or certificate of origin; you are purchasing parts. If using your newly constructed boat on public waterways, you will need to register the vessel as home-built. If using the vessel for commercial purposes, your state may have different regulations for registration or certification that we will NOT be able to help you with. For further information on this, we strongly recommend contacting your local DMV, RMV, or DNR. We are not experts in registering newly built commercial craft and will not be able to aid you in the process.

FREQUENTLY ASKED QUESTIONS

Q: What are the floats made from? How are they constructed?

A: All of our boat kits use super tough HDPE plastic floats with closed-cell urethane foam filling. The HDPE plastic shells are rotomolded parts that are made from the same material that pick-up truck bed liners and snowmobile skis are made from. Our floats are individually sealed units, but in the event that one is punctured, you simply can't sink. To see all the details on our plastic float construction, please visit our MODULAR PLASTIC FLOATS page.

Q: How quickly do the kits ship? How does shipping work?

A: Our "Option C" frame systems are the only large barge systems that we sell and they take an enormous 9-10 months to fill orders as the frame components are manufactured per order due to the high-dollar nature of the parts. Frame systems are only able to be shipped when the frame components are no longer than 15' and they ship from our fabrication and machine shop in NH. Frame systems of longer lengths must be picked up at our NH location and tractor trailer trucks are not permitted on the premisis. We will not palletize frame systems with components over 15' in length and we have maximum shipment weights of 1100 pounds per skid.

Floats ship from our partnering factory in Arkansas. If you're close enough to physically visit the plastics facility in AR, you're welcome to pick-up your floats in person with prior arrangements. If ordering an "Option C" frame system, we will not hold floats until the frame system is complete. Material and shipping prices for our floats fluctuate too much to facilitate this. We will not arrange international shipping for our "Option C" frame systems. The overall weight and dimensions of these kits makes international freight far too difficult to arrange.

Q: How do I mount an engine or a motor on these frame systems?

A: We do not manufacture transoms for our large barge systems. Due to the custom nature of these systems, you will have to source or build an appriate transom if you are looking to power your barge. We currently have no plans to design or build transoms for our large barge frame systems.

Q: If I ask really nicely, will you build me a steel frame (Option A) or "I-beam" frame system (Option B)?

A: No.

Q: How do I get the "Option C" frame system quicker than the 9-10 months stated on this page multiple times?

A: Develop a time machine, set the dial backwards by 8-10 months, and place your order then.

Q: What do I use for decking?

A: At this time, we do not offer an appropriate decking for our large barge systems. The aluminum decking that we offer for our small scale boats is not engineered to handle the weight that our large barge systems can handle. When decking one of our large bage frame systems, we recommend using either thick wood planks, thick marine grade plywood, or the type of aluminum decking that is used on heavy-duty cargo trailers. DO NOT USE PRESSURE TREATED WOOD on our frame systems. The copper content in residential construction type pressure treated timber eats aluminum in wet environments and completely voids your frame warranty.

Q: What is the warranty on these kits?

A: Our floats have a 1-year warranty that covers manufacturing defects. This period starts the day that the floats leave the factory. This is a 365 day period and the warranty covers the cost of freight for customers in the contiguous US (Alaska and Hawaii are not included), but not the cost of installation. Our "Option C" frame systems have a 2-year warranty that covers manufacturing defects. This warranty starts the day that the frame kit is shipped and is a 730 day period. The frame kit warranty covers the cost of freight for customers in the contiguous US (Alaska and Hawaii are not included), but not the cost of installation or assembly. For non-US customers, for both floats and frame kits, replacement parts themselves are covered under warranty, but the cost of freight is not included. If you receive a product and find a defect, please contact us as soon as possible and we will replace the part or parts after clear pictures of the defect or defects are received. Crash damage, misuse, and abuse are not covered under warranty.

Q: How is payment accepted?

A: As any order for an "Option C" frame system will total over $7000, payment must be in the form of a bank-to-bank wire transfer, ACH payment, company check, or certified bank check. Personal checks are not accepted for these systems. Payment is due at the time the order is placed, and no order will be placed into our production queue before payment is received. "Net" payment terms are not offered by Silver Lake Fabrication LLC. This is a steadfast company policy. All prices provided are in USD and are subject to change without prior public notice.

Q: How do returns and cancellations work?

A: Simply put, they do not work. We DO NOT accept returns and we WILL NOT cancel an order. We work hard to get orders out the door as quickly as possible and provide the best service that we can. This means that when you commit to a purchase, we have committed to fill the order in a timely manner. Once an order is placed, the money you've paid goes into materials and labor specifically for your order, and we don't get that back, even if you change your mind. We repeat, WE DO NOT ACCEPT RETURNS AND WE WILL NOT CANCEL ORDERS.