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Baltek Airex PXc Boards Customer Questions and Answers

10 of 12 Questions

Question

I have a Victoria 18, small but well built. The PO cut a hatch in the forward deck and I wish to close it back up. Would this be a good product to use, vs plywood or fiberglas board? I do plan to laminate it with glass above and below deck, sand, fill and gelcoat. Peter

Asked on 03/07/2012 by FELTON MATHEWS

Top Answer

hi peter jon from boat yard in nj have used the product many times and many different ways and is great. very strong and easy to use most important thing to do is to set in very low viscosity putty so there is good saturation good luck

Answered on 03/07/2012 by JON LOUX
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Yes, this product should work fine, so long as you use best FG practices. I rebuilt a transom on a 16' fiberglass skiff, removing the old rotted plywood core and rebuilt using Baltek Airex PXc Boards with West Epoxy, now stronger than ever and ready for another 30-40 years of service. I like the product and am considering some other projects. jim

Answered on 03/07/2012 by JANIE WILLIAMS

Answer

It would work great in that application, if you are trying to match a radius score the back side with a razor knife to help it flex. The Beauty of the AIREX is that it will NEVER rot. Good luck.

Answered on 03/07/2012 by JAMES KONDZIELA

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I had a failing deck box / hatch cover on my center console. Cover is 18"x30" and had a 15"x25" plywood core (1970's era construction). The plywood had deteriorated with age and the hatch cover was starting to lose structural integrity. I cut out the old core from the back side and replaced it with Airex PXc. I found the material to be very easy to shape ( cuts with utility knife, rounded corners and edges with sandpaper) and a great surface for adhesion. I glued the new panel into place then re-glassed the back side (had a spare piece of Carbon Fiber from an alternate project, so I used that) and the deck hatch is now fully functional. Very happy with the product.

Answered on 03/07/2012 by JEFFREY ADAMS

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Hi Peter I used Airex to recore beneath one of the stanchions on my J24. It's allegedly heavier than the stock plywood and as such remains class legal for me. Its better than ply in that it does not absorb water or rot. There are of course many different fiberglass boards out there and you might find one lighter or stronger than this one but it worked for me. AM

Answered on 03/07/2012 by THOMAS MOUTON
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Question

Need to rebuild my transom on a 20' Escape Grade White CC. Is this the stuff??

Asked on 09/25/2018 by Viking from Milwaukee, WI

Top Answer

Yes it is. Lay up multiple sheets of 3/4" Baltek with thickened epoxy until you get the desired thickness then cut out the shape of the transom. Glass both sides with chopped strand mat and 1708 biaxial cloth, fair with fairing compound, then paint with 2 part polyurethane. Jamestown has both these products.

Answered on 09/25/2018 by sjemery
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I used this product as part of my deck coring to anchor cleats, etc. Jamestown specifies this material for transom coring. I believe it would be ideal for that application.

Answered on 09/25/2018 by losttime1

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Yes. This is the stuff.  We buy alot of supplies from Jamestown.  Let me know if you need any further support. Goodluck.  

Answered on 09/25/2018 by joey
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Question

I am considering this for a false floor in a skiff. Would this be a good choice and what does a sheet weigh?

Asked on 09/17/2015 by Undisclosed

Top Answer

I am using it to replace a plywood motor mount on the transom of my duck boat. The material is light relative to a similar sheet of plywood. I cannot speak to the shear strength (I think that would be the term), would depend on the span between ribs I guess.

Answered on 09/17/2015 by JOHN ENQUIST
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Depends on the thickness but it's much lighter then same thickness plywood. It is excellent material for decks, bulkheads, etc. when wetted out with epoxy or polyester resin

Answered on 09/19/2015 by steve emery

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Add a layer of unidiectional carbon, epoxy, sand paint and go. I'm not sure if the thickness for you application. The weights are all mentioned. I'd imagine what ever you use to cover it would weigh nearly as much as your cut material. Maybe more.

Answered on 09/18/2015 by JOSHUA BONE
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Question

Would this material be a good choice for a rudder extension core ? To be followed by fiber cloth and West Epoxy. I'm looking for strength and light weight !!! Thank You Bill D

Asked on 12/22/2014 by william Dunn

Top Answer

No

Answered on 12/22/2014 by JEFF HOSWELL
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Yes Baltek would make a good core material.

Answered on 12/22/2014 by Rick White

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Jeff! You said No, Why, What would you reccomend? Thanks Bill D

Answered on 12/23/2014 by william Dunn
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Question

Think I know the answer, want to hear it from the pros. Doing a J24 deck and maybe ( hope not ) some of the hull. What size balsa core? Tom Kane 210 313 7519

Asked on 01/23/2012 by Tom Kane

Top Answer

Tom, The J's deck and hull should be 1/2" balsa. That's an educated guess based on the J's I've worked on and that 1/2" is very common for a cored hull of that size. Baltek Airex is NOT balsa core, it's a urethane foam. I've built high load structures with it such as mast step grids, bulkheads, and various reinforcements. It's a great product, but only good for flat and straight surfaces. Hope that helps. --Matt

Answered on 01/25/2012 by MATT BREEF
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I had bought this a while back and used it on my J24 deck. The 1/2" is exactly what you need and will work great. I chose to use this under my stanchion bases as I wanted a repair that would last years of abuse. Make sure to get some collidia silica to help glue it in place. Let me know if you have any other questions. Jim

Answered on 01/24/2012 by JAMES KONDZIELA

Answer

Tom, I did some recoring on my j24 last year. On the cabin top, all of my core was 1/2". On the deck where the winches are mounted, most is 1/2" but there is a forward section that is slightly thicker (either 5/8" or 3/4") You can identify the thicker area by viewing that section from the inside of the cabin -- there is a easy to see, slightly thicker area. Luckily, I only had to replace the section in the 1/2 areas. The class will allow you to put a stiff foam board in the areas of the stantions, chainplates & wiinches -- just so long as it does not extend more that 6" out from the mounting points (i.e. a 12 X 12 +/- is OK) You might want to check with a measurer on this -- and keep a copy of the email for future clarification at measuring time. There is a measurer by the name of Tim Winger that has written a lot of how to articles for the J/24. I used polyester resin. Its more flexible and this also allowed me to paint the finished product with gel coat. Its also a little cheaper than epoxy.

Answered on 01/24/2012 by MATT JORDAN
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Question

Is this material flexible to conform to the curved shape of a deck? I need to easily bend it 1" over 3'. thank you

Asked on 06/15/2016 by Arthur S.

Top Answer

It's going to depend on the thickness of the material whether it can bend to conform to the deck. If you are using 1/2 inch or less its probably doable. I was using 3/4 and 1 inch thickness and this material is very stiff. You'd have to put kerf joints to allow it to bend for these thicknesses.

Answered on 06/15/2016 by RONALD KRAUS
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If you use 1/2" thick board, then yes it will bend in that distance. Use thickened epoxy and hold it down with weights.

Answered on 06/15/2016 by steve emery
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Question

can i use this for the floor of my boat? i have a 20ft glass pro and i want to redo the floor.

Asked on 01/25/2015 by Brutie Fatso

Top Answer

Yes, typically used with fiberglass skins added to both sides.

Answered on 01/26/2015 by Rick White
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This is the 2nd. time your company has sent me this same question. Do not ask again. The product is over priced and your shipping charge is inflated.

Answered on 01/26/2015 by JEFF HOSWELL
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Question

What would be good to use to cover some screw holes I need to use after I epoxy some airex into a floor hatch I don't want the epoxy to come through the holes and get all over the good side of the hatch. Thanks

Asked on 03/29/2021 by Sal from Hamden ct

Top Answer

You could use MarineTex to cover the screw holes. https://www.jamestowndistributors.com/product/product-detail/2088

Answered on 03/29/2021 by Scott
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Question

I'm considering this to replace the 3/4 marine ply used in the floor of my runabout. I'm also considering Coosa Board, but I've read it does not hold screws well and I have several hatches that have Paino hinges screwed into the plywood. Does this material hold screws? Also do I have to put resin or a layer of glass on it or can I just cover it with my flooring material?

Asked on 04/13/2020 by Allen from Bristol, RI

Top Answer

You should cover it with fiberglass and use G10 to reinforce areas where fasteners may be needed.

Answered on 04/14/2020 by Paul
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Question

Baltek Airex PXc Boards are available in various density according to their Data Sheet. Your tech spec states 24 pound material is what you offer. Can you please confirm what specific PXc product that is? Their densities are reported in Kg/cubic Meter. Is the product you offer their PXc.385?

Asked on 08/13/2017 by B.O.B. from Grosse Ile, Michigan

Top Answer

This is PXc.385 the 24 lb density.

Answered on 12/12/2017 by JD Tech Team
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