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Old 12 January 2015, 17:33   #1
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Phenolic faced birch ply

Looking at the Atlantic deck.....Is the above a viable alternative to marine ply? It's widely used on narrow boat decks apparently, easily worked, 9 and 12mm thickness.... Has a phenolic smooth underside and a non slip phenolic patterned / coloured phenolic topside.... Would obv need any cut edges treated (west epoxy as per what we've done with marine ply previously).... It's Birch ply inside..... What do the boat builders etc reckon? Would save glassing and flow coating? The original halmatic hulls we're tread master faced teak... Is this a viable alternative?

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Old 12 January 2015, 17:43   #2
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Looks like the same stuff as 'buffalo board' used for trailer decks. Once the phenolic coating is compromised the timber underneath will rot out pretty quickly as my trailer will testify.
If it was my boat I'd be using the best marine ply I could buy (expensive I know)
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Old 12 January 2015, 19:38   #3
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Looks like the same stuff as 'buffalo board' used for trailer decks. Once the phenolic coating is compromised the timber underneath will rot out pretty quickly as my trailer will testify.
If it was my boat I'd be using the best marine ply I could buy (expensive I know)
Thank you John, it is very like buffalo board.... It's the birch ply bit which is the problem I guess.... Not too concerned re the price of quality marine ply, it's more that I like the idea of a board which has the finish (robust / non slip /waterproof etc ) bonded on already (both sides) to negate the need to epoxy coat below and glass / flow coat above.... The original halmatic flooring on our PAC was treadmaster covered teak ply.. Was shot when we replaced, but had lasted well really..... Anybody any other suggestions? The honeycomb floor systems are more difficult to fix to aren't they?

A phenolic faced ply like the link but with a high grade marine ply (instead of birch) would be interesting.... Such a product out there I wonder? All suggestions appreciated.
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Old 13 January 2015, 02:20   #4
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What thickness is the old deck? i'd have guessed 18mm. you could laminate but you'll be joining 2 x phenolic coatings not 2x ply...

Perhaps 18mm is available too.

you will want to apply something when it wears. so in 2 years it will be flow coated...

Was a thread in 2010: Phenolic board versus marine ply?
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Old 13 January 2015, 06:16   #5
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What thickness is the old deck? i'd have guessed 18mm. you could laminate but you'll be joining 2 x phenolic coatings not 2x ply...

Perhaps 18mm is available too.

you will want to apply something when it wears. so in 2 years it will be flow coated...

Was a thread in 2010: Phenolic board versus marine ply?
Thanks.... saw the old thread, but it didnt really 'get there'....

I have found that Robbins timber will supply any of their marine plywoods (proper marine ply) with a smooth phenolic coating.... however, its not non slip....

I have asked of them (if others here know that would be great):

Is the phenolic coating impact resistant /uv resistant?
Will it allow a flow coat to adhere?

My thinking is that given the issue around quality of ply issue has 'gone away'....If phenolic coating wasnt uv resistant but allowed flow coat it could remove need for glassfibre? and you could cover whole deck with flow coat....

If it was uv resistant and allowed flow coat you could merely mask off and flow coat the traffic areas.....

Am i way off here...makes sense on paper..... am hung up on the idea that adding glass to the deck (if a factory produced alternative is available) is unnecessary.... these arent really structural decks on the halmatics, and i need to be able to screw into it ideally (a problem with the honeycomb products)

Thoughts?
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Old 13 January 2015, 13:18   #6
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Or this looks promising! Mechanical fixing (accepts screws like wood) and is non slip finish.... You'd see al the screws but less of an issue in a halmatic IMO. Dolphin grey looks good...

Large sheets but main issue is that there isn't any in UK and they prob can't do small orders....

Anyone used / any comments OR know of a similar alternative? Someone mentioned nyloplast board but a search has drawn a blank.... ??

Playground Equipment - Densetec HDPE Grip - non slip - A Fahr Better Solution for Playground Equipment
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Old 13 January 2015, 14:43   #7
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Large sheets but main issue is that there isn't any in UK and they prob can't do small orders....
Am I missing summat

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Old 13 January 2015, 15:35   #8
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Am I missing summat

"Extensive Stockholding
Frustrating isnt it! Have spoken with the importer and their resellers... none about at mo (and we prob dont need enough to warrant an order)....

Im also interested in Coosa Bluewater board, but cant find a UK stockist either.... it seems that our friends over the pond are heavily into wood alternatives....are we being slow to adapt, or am i looking in the wrong places
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Old 15 January 2015, 03:20   #9
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I'd be inclined to go for a plastic alternative, the sort of stuff used in the chemical industries. There are also some interesting plastic woods out there, so you could have a teak style deck thats actually structural & wont rot.
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Old 15 January 2015, 09:18   #10
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I'd be inclined to go for a plastic alternative, the sort of stuff used in the chemical industries. There are also some interesting plastic woods out there, so you could have a teak style deck thats actually structural & wont rot.
Been plugging away looking at products and the Densetec is front runner.... They quote an expansion of 1.6mm per linear metre per 10 degrees c temp rise..... I have found a UK comparable product now recommended by an HPDE boat manufacturer (not specifically Marine, but looking into it).... They cite a 2mm expansion per linear metre.... I know ply can expand etc, is that going to be a real world issue I wonder? They are cautious and dont want to commit.... it would be screwed won at say 200mm centres into the halmatic stringers (solid /lots of)..... Anyone any thoughts?


If any of our US members are reading this have you used /seen this used /used in this way?

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