Coosa Composite Board - Bluewater 26

SKU
13770-42332-CP
$110.31
Please Select
Select your product options to view availability.
Free Shipping: Not Qualified
This item is too large for free shipping. Shipping costs will be quoted in your shopping cart.

Key Features:

  • Great Decking and Transom Alternative - Do It Once - Do It Right!
  • Strongest and Stiffest Composite Panel with the Absolute Highest Strength-to-Weight Ratio
  • Consists of Polyurethane foam filled throughout with layers of continuous strand glass and woven fiberglass
  • Over 30% lighter than Plywood with equal superior structural integrity!
  • Absolutely No Water Rot! Mold, Mildew and Algae Resistant
  • 30% to 45% lighter than plywood
  • NO water rot or insect infestation
  • Less than 1% water absorption
  • Mold, mildew & algae resistant
  • NO Special Maintenance Required
  • Sanded for easy lamination
  • Easily fabricated with standard tools
  • Superior resiliency and endurance
  • Transoms
  • Decking
  • Swim Platforms
  • Sun Decks
  • Seating
  • Bench Cores
  • Bulkheads
  • Engine Covers & More!

Coosa Board Frequently Asked Questions


When replacing plywood decking, what thickness should I use?

The Short Answer

Bluewater 26 Coosa Board can be used as an exact replacement for any plywood decking as long as you use the same thickness installed in the same way (i.e. if your plywood was glassed over, so should your Coosa).

The Long Answer

If for some reason you would like to use a different thickness or install the material in a different fashion, there are a variety of things to consider such as:

  • What is the current span width between supports?
  • How is the material installed? (If glassed over, the fiberglass is adding additional rigidity)
  • Is the load spread over a panel or a point load?
  • How is the panel supposed at the edges? Is there a 1/2", 1"...6" overlap?
  • Does the panel need to support an impact load? (Think 300 lb guy jumping off a 5 ft. dock with an ice chest full of beer!
  • How is the board installed? Rigid bonded at the edges or free floating?
All of these factors need to be taken into consideration before a decision can be made on thickness. Boat builders pay a team of engineers to take all of these complex factors into consideration. We therefore recommend leveraging their decision and using the same thickness installed in the same fashion whenever possible.

If you are set on changing the thickness and installation method, please keep in mind that if you make changes that decrease the structural integrity of your deck you will need to make this up somehow. (i.e. if you choose not to fiberglass both sides of the floor, even though your original plywood was, perhaps you need to add additional braces of a stiffener to your span width).


How do I install Coosa Board?

Coosa Board can simply be installed as you would plywood or material being replaced using the same methods and tools.

How do I cut Coosa Board? Can you cut the board to my specific size and shape?

You can cut Coosa Board using any standard woodworking tools. Please make sure to take the same precautions (eye protection, gloves, dust mask, etc.) as you would when cutting plywood.

We are happy to cut your Coosa Board to any required size and shape. Please note that an engineering charge and/or a cut charge may apply depending on the shape of your pattern.

How do I use Coosa Board for decking?

You simply install the Coosa Board as you would plywood using the suggestions above. Many people have simply installed the Coosa Board and adhered carpet directly over the Coosa Board using their favorite adhesive.

Do I have to fiber-glass in the Coosa Board?

You do not have to fiber-glass in the board to prevent absorption of water/liquid; however, glassing the board also adds strength. Therefore, if you choose not to glass in (and your original decking was glassed), you will have to compensate for that loss of strength.

Is Coosa Board UV Stabilized?

Coosa Board is not UV Stabilized. With time, the boards will change color when exposed to sunlight. We recommend that Coosa Board be either glassed over, carpeted over, or painted with a latex or enamel paint.

What types of resin are compatible with Coosa Board?

All typical marine resins work with Coosa Board, including epoxy, vinyl ester and polyester resins.

I see elsewhere online a Nautical Coosa Board. What is the difference and is it available?

Bluewater Coosa Board contains continuous strand glass and woven roven fiberglass, while Nautical Coosa Board only contain continuous strand glass.

Therefore, Bluewater is significantly more rigid and is recommended for all structural applications. If your application is not structural (bulkhead, cabinet, etc.) then Nautical may be a good alternative and more cost effective than Bluewater. Boat Outfitters does not currently carry Nautical Coosa board; however, please let us know if you are interested as we always adjusting our inventoried material.

How does Coosa Board Ship?

It depends on the size piece you are ordering. If you order either a full sheet (96" x 48") or a half sheet (48" x 48"), it will have to ship freight. We are happy to get freight shipping quotes if you will send us your zip code and destination type (either commercial or residential). Please note that with freight shipping commercial addresses are significantly less expensive to ship to.

If you are ordering a third of a sheet (48" x 32"), then your piece can ship UPS. UPS shipping costs will vary based on location but will always be considerably less expensive than freight shipping.

Note: For the price conscious customer who needs a full sheet, please consider having your sheet cut into thirds. (3 pieces - 48" x 32"). This will allow your order to ship UPS and save you shipping costs.

When will my order ship?

Everything listed on the website is in stock available to ship. Our standard lead time is 2-3 days for Coosa Board.

Frequently Bought Together

  1. Coosa Composite Board - Bluewater 26
  2. +
  3. Tuff Coat Rubberized Non Skid Coating
  4. +
  5. Stainless Steel T-Nut
Total price: $0.00
  • This item: Coosa Composite Board - Bluewater 26 $110.31

Reviews
5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
2
0
0
0
0
Coolant board
Very light yet strong
June 23, 2018
Purchased
3 weeks ago
Transom and stringer
Coosa bluewater 26 is extremely easy to work with, very light and unbelievably strong
Center stringer, three 3/4” pieces of coosa, laminated with 1708.
Fountain Transom
Fountain Transom
December 5, 2017
Purchased
7 months ago
Questions / Answers
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 33 questions Browse 33 questions and 33 answers
I'm looking to replace the plywood transom on my 10' inflatable boat. Can Coosa board be used as a substitute? If so, what type of adhesive would be best ?
Bill Brousseau on Jul 21, 2017
BEST ANSWER: Coosa board is ideal for transoms, and most high end boat builders have gone to Coosa for the long term durability & weight savings.

It's very easy to work with (although you'll want some gloves and a mask because it does have fiberglass in the sheet). Alternatively, if you wanted to send us a template, we can cut a piece for you to the exact size/shape of your transom.

Regarding adhesives, I've linked directly to Coosa's recommended adhesive list - http://coosacomposites.com/pdfs/coosa_adhesivelist.pdf
Can this be used for a swim platform?
A shopper on Feb 1, 2018
BEST ANSWER: This material can be used for a swim platform, but it is a raw material. You will likely need to fiberglass the board for additional rigidity. If this isn't necessary, you will still need to cover the Coosa to protect users from the fiberglass in the material.
can coosa be cut into 2” wide strips and layered to make supports for a coosa deck?
A shopper on Jan 4, 2018
BEST ANSWER: This certainly sounds like something that can be done, but we could not tell you from experience. You will want to make sure to fiberglass all the way around the supports to get the full rigidity you are likely looking for. Thank you!
I’m looking to replace a 1.5 in thick plywood transom on a late 70s Starcraft aluminum boat. Boat is rated to a 140 hp motor but transom is failing with 115 Yamaha 4stroke. Already replaced the transom about 15 years ago, so figuring I need to beef it up a bit. Was considering taking a piece of 1” ply and coating it with fiberglass. The splash tray is screwed to the inside of the transom and definitely adds some structural support. Would coosa board still have enough “screw hold” for this application. I would love to not have to do this project again. Any advice? Thanks.
Nordie on Jan 3, 2018
BEST ANSWER: Hello, Cossa is an excellent material for transom replacements it is typically recommended to us the same construction method and material thickness as what was originally used by the manufacturer. As for screw retention, Coosa does not hold screws, not quite as well as plywood but depending on the project there are some options available. If you would like to discuss your project please feel free to give us a call and we would be happy to talk through your options with you.
Is this being used in floors or aluminum boats in Half inch thickness or is it not rigid enough. Thank you
Brian earley on Jul 22, 2017
BEST ANSWER: Hello Brian, that is a great question. It is always recommended to use the same thickness as the plywood the Coosa would be replacing. If you are adding this floor from scratch the thickness needed would really depend on how it it is supported underneath. If you would like to discuss the specifics of your project please feel free to give us a call and we can go over some options for you.
I have a Dargel scooter that has a transom that rises and lowers the outboard according to the depth of water we are in. With this board by strong enough to support my outboard ( Yamaha 50 ) in this situation since it would be free floating and not bonded to anything?
Mark M on Jun 4, 2018
BEST ANSWER: Great Question Mark,

This product is designed to be a replacement for Marine plywood. From the pictures that we have seen online, it looks like the Cossa would work for your application. But, the Coosa would need to build in the same way it was originally manufactured.

Thanks Mark!
I'm Replacing the aft center floor deck of my 1981 Ski Natique. The motor cover bolts to the deck via hinges. Is the coosa board going to resist the amount of pressure that could be applied there?
Shane A on May 20, 2018
BEST ANSWER: Great question Shane!
The Coosa Board does doesn't quite standard up standard screws the way wood does, so if you through-bolt the hinges instead of a standard screw you should have any issue with the Coosa Board.
will the material float good?
elvis on May 12, 2018
BEST ANSWER: Hello Guion, I would recommend calling in to one of our customer service reps to go over the details on your project to see what options we can provide for you.
Can I use this for the bunker boards on the trailer?
Big Dog on May 10, 2018
BEST ANSWER: Hello Michael, Coosa can be used anywhere you would normally use plywood. If you had plywood bunks previously you can definitely use Coosa to replace those. If you had any other questions regarding your specific project I would recommend giving us a call to discuss it by phone.
Can you ship a sample of the coosa board? Thinking of using it as the flooring on an Airstream renovation instead of plywood.
David B on May 9, 2018
BEST ANSWER: Hello David, we actually do have Coosa samples available on the site, I can include a link to those below for you.

https://www.boatoutfitters.com/coosa-composite-board-sample
Is there a
possebillity to make larger dimensions?
Hugo V on Apr 29, 2018
BEST ANSWER: Hello Hugo, that is definitely something we can look into for you, I would suggest giving us a call so we can discuss your project needs and see what options we have available for you.
I would like to use this product to replace the wood on my upper deck of my pontoon. It measures 12' x 8' with bracing ever 2'. How would the decking assemble (tongue and grove, adhesive), can carpet be glued to it?
Mark W on Apr 15, 2018
BEST ANSWER: Hello Mark, you would work with Coosa the same as if you were working with plywood. Given the spans you would be covering and the material only coming in 4 x 8 sheets I would suggest giving us a call to go over the specifics of your project.
A common problem on pontoon boats is the laminate on plywood deck is destroyed when removing old carpet. Would Coosa board have similar problems if the carpet or vinyl had to be removed and replaced? Thanks in advance...Rick
Rick B on Apr 8, 2018
BEST ANSWER: Great Question Rick,

It should not pull apart like laminate on plywood. With any project, you will want to be careful when replacing the surface of anything.

Thanks.
Can I paint the board well? Does it hold paint and who is the process?
A shopper on Apr 8, 2018
BEST ANSWER: Great Question,

This product can be painted. If you are looking to have a glossy smooth finish you will need to use a high buildup primer. But other than that you can paint it like you normally would paint wood.

Thanks.
Can you get the coosa board custom cut to a specific size?
A shopper on Apr 1, 2018
BEST ANSWER: Great Question,

We can most certainly take care of that. You will need to give us a call in order to get this taken care of.

Thanks.
I'm looking to redeck the floor on my 28' pontoon, would this product be good for this project? About how much would it cost for the material to do this project?
A shopper on Mar 20, 2018
BEST ANSWER: Great Question,

This can work as a deck on a pontoon boat. But It would need to be finished with fiberglass or carpet. In regards to how much it would cost we would need to know the model of your Pontoon boat and or the width of the vessel in order to help you find the cost.

Thanks.
Can this be used for boat deck and if so how do you cut and mount?
A shopper on Mar 17, 2018
BEST ANSWER: Great Question,

This product can be used as a boat deck. The best way to mount it would be to fiberglass it in place.

Thanks!
Would this coosa board be good for stringers in a boat ?
A shopper on Mar 8, 2018
BEST ANSWER: Great Question,

Yes, Cossa board is designed to be used as stringers and transoms for boats.

Thanks
I want to replace plywood floors in an Avon inflatable,is Coosa a viable option?
JACK W on Mar 4, 2018
BEST ANSWER: Great Question Jack,

This product can be used for your application, but it would need to be finished.

Thanks
Can this be used to rebuild interior seats of a runabout boat - This would be covered with cushioning and then with vinyl. So, can you staple the vinyl to this and would it hold securely?
SCOTT T on Feb 25, 2018
BEST ANSWER: Great question Scott,

We suggest that you use Starlite instead of Cossa Board. Staples do not hold well in Cossa board and often will fall out.

Thank you Scott!
swim platform?
Jason D on Feb 11, 2018
BEST ANSWER: Great question. Coosa is excellent when used in decking applications. However, it is recommended that the final product is fiberglassed over for best results.
Screw hold?
Jason D on Feb 11, 2018
BEST ANSWER: Great question. Screw retention in Coosa board is not quite as good as it is in plywood. If you are screwing through the Coosa into another material that the screw can bite into you would generally be ok. However, it is recommended that if you are mounting directly to Coosa use of either a through bolt or a tee nut. Please feel free to give us a call if you have any other questions or if there is anything else we can do for you.
I am replacing an old plywood firewall in my boat would coosa board be a good use for this?
MIkeG on Feb 10, 2018
BEST ANSWER: Great question. Coosa board would most likely be excellent in this application and we would love the opportunity to discuss the specifics with you on this. Please feel free to reach out to us for more information and get started.
My sailboat does not have floor timbers. I am looking at adding wood timbers running side to side, and bolting the keel (using stainless "L" brackets) to the floor timbers, then glassing the timbers to the hull. Would Bluewater Coosa Board work for that?
Charles Shaw A on Jan 29, 2018
BEST ANSWER: Hi Charles, this sounds like something that Coosa could work for. I do believe you will want to reinforce the coosa, as you would do with wood, by fiber glassing all the way around the material. Thanks Charles!
Can I get a piece of 1-1/2x52"11" without having to buy a whole sheet?
Mark H on Jan 27, 2018
BEST ANSWER: Hi Mark, great question. Because your longest dimension is over 47.5", you would be required to purchase the full sheet of material. Thank you!
Can I glue 2 pieces of 3/4 to make 1-1/2? And what kind of adhesive do I need
Mark H on Jan 22, 2018
BEST ANSWER: Hello Mark, yes you can bond the 2 pieces with adhesive. Coosa is really a direct replacement for plywood so you would work it the same way as if you were working with wood and use the same construction methods. If it were me I would use thickened epoxy to bond the 2 pieces but you can use any adhesive or resin that you would use on wood. I hope this helps and please feel free to reach out if there is anything else we can do for you.
Screw retention?
A shopper on Jan 8, 2018
BEST ANSWER: Hello, screw retention in Coosa is not as good as it is in plywood. if you are screwing through the Coosa into another material that the screw can bite into you would would usually be ok but, it is usually recommended that if you are mounting directly to Coosa to use either a through bolt or a tee nut. Please feel free to give us a call if you have any other questions or if there is anything else we can do for you.
I have a 2003 Suntracker Party Cruiser (32 foot) pontoon boat with laminated walls. The original walls are laminated plastic, wood veneer, and styrofoam. They have de-laminated badly and are no longer in production. Is Coosa Composite board a viable replacement? If not, what would you recommend?
David P on Dec 31, 2017
BEST ANSWER: Hello David, Coosa could work for you depending on how you would like to finish them but we may have some other material options available. I would suggest giving us a call and one of our sales associates can try to find a product to meet your needs.
Can you use Coosa boards for a pontoon boat, the underside will have water splashing against it?
Tom H on Dec 26, 2017
BEST ANSWER: Hello Tom, Coosa is a great replacement any where that you would use plywood, it will not absorb water or rot and is close to 30% lighter than plywood so that should work very well for you. You would want to use the same thickness as the plywood that was originally installed and finish at least the top with something to protect it from UV. They say that structurally UV will not damage the material but it will discolor if left exposed to direct sunlight.
Can you custom-cut this product to fit my transom if I provide measurements/specific drawings of the shape and thickness I need?
C L on Dec 15, 2017
BEST ANSWER: Absolutely! If you give us the dimensions and a template then we can let you know for sure. Thanks!
Copyright © 2018 Boat Outfitters. All rights reserved.