Water blowing in our boathouse door promptly rotted the replacement plywood. Yeh that’s right a product labelled as marine plywood that is not suitable for boat building – like a kitchen knife not suitable for chopping vegetables or a TV that doesn’t show sports! Wesley Lueck. Without the use of moulds,  you will always need a backing or core material to laminate over. There are ways that you can repair a rotting boat floor, but doing so may make the problem worse if you don’t know how. However I’ve seen good results with plain old exterior grade H- series treated timber. Especially with west system epoxy warmned up to lower it’s viscous state so it permeates the substrate using extra slow hardener for maximum penetration. Perhaps this is why it still in better condition than it’s modern counterparts that surround it. To build up … 3M™ reinforced polyurethane foam offers lightweight alternative to plywood for marine construction & general use. If the gap is larger than 1/4 inch or the hull slopes away too quickly, you may need to glue 1x1 inch peices of wood under the gap to hold the glue and the new floor. I got several different answers on how the plywood was layed. Therefore, it will need replacing. but even if two of same make, model and year both have the same brand powering it, the hull may be rated for 90 hp and one of them the person buying it paid for the 90 hp while the other one only got the cheaper 60 hp. The inside measurement of the floor width is 50". 4 Season—Full Care, Boat Service We Service & Repair Fiberglass and Classic Wood Boats Keep Your Boat in Peak Condition Year-round Set Up Your Full Boat Care with Us Today Marine Plywood Supplier Marine Grade Plywood, Imported Lumber & Veneers British Standard BS1088 (Hydrotek) & BS6566 (Aquatek) Lloyds Registered Plywood … The most common material used for boat flooring is BC plywood, and it is also used for fiberglass boats in particular. your own Pins on Pinterest Whilst planning the renovation of my fishing boat my first thought was; why would I need a marine grade plywood when it is going to be coated in resin+ and fibreglassed when it’s finished? The reasons are obvious: water saturation through … The final choice was based on a higher number of plys/veneers per thickness. Treating Plywood for Aluminum Boat Floor Replacement? This was located underneath a faux teak floor meaning that it is most likely the original plywood used to build the floor of the boat. Drill screw holes in the dried … so my advice would be to buy a good Quality Hoop pine or maple marine ply, pay the extra for Gaboon ( light weight ), and avoid the cheap hardwood imports.I have been building high speed laminated (cold moulded ) timber planing craft for the past 45 years and have a reasonable knowledge on the subject. Most hardwood marineply that is manufactured in asia fails. My neighbor will never have to have his boat floor ever redone! And, there’s also a good chance some of that plywood has rotted away. I am new at this and have a lot of questions. The plywood … Your boat will not be tougher or stiffer as a result of a heavy sole. Some said length ways and some said crossways. With that said when I am done with that I have to seal it. If it rots, it can spread to the rest of the boat and create a terrible, dangerous mess. Jul 12, 2017 - This Pin was discovered by Jeffrey Michaels. The plan is to start with the main floor. The Marine Plywood we offer meets (ICI) Number 9-3-4-4. Well I have finally encountered another boater that knows what the he’ll he’s talking about , ….keep it up Graeme there’s a lot of misinformation going on out there. Pontoon boats traditionally use plywood for the deck. Using marine plywood. The front 5 sheets of OEM marine plywood is as solid as it was when the boat was new. Overton's Daystar/Malibu Carpet … ): With these factors now in mind, it is possible to find cheaper alternatives and more importantly available alternatives. Note that one should apply 2nd and later layers between “fingerprint and fingernail” so that you end up with a chemical bond between All layers (creating one solid piece) rather than just separate coats, one over the other. Your email address will not be published. Replacing The Wood In The Floors Of My Boat - Bass Boats As for the wood in the three boats I've done I just used five ply 1/2" plywood. 5. Once water is allowed to permeate the plywood it begins to rot. Or, in the case of a pontoon deck—Install the new floor by screwing the plywood … In theory and like most things in life the more you spend the better your product will be and the longer it will last. Marine plywood is a great sheet material that can be easily cut using both hand saws and basic power tools. It would be a pretty awful to be in a capsized boat but imagine the floor conking you on the head as well if it wasn’t attached. It’s not unusual for moisture to find its way into this wooden core. Viewing 8 posts - 1 through 8 (of 8 total) Pontoon Specialists Is The Premiere Online Pontoon Parts And Pontoon Furniture Site. The above plywood was labelled as “marine”. I know a lot of builders who are moving to heavily treated exterior grade construction ply for decks, or deck underlays etc which will be exposed to rain, and is a lot more resilient to fresh water and the problems it brings (remember salt water in the bilge is a good thing for planked boats, but it still condenses fresh!). This Pontoon Boat Re-deck Kit includes: 4-7 Sheets CCA Treated Marine Grade Plywood (16' Kit - 4 Sheets, 20' Kit - 5 Sheets, 24' Kit - 6 Sheets, 28' Kit - 7 Sheets) 1 Roll of 20 oz Pontoon Boat Carpet; … Tuesday - Friday 8:00 am to 5:00 pm (EST Time) However, the need for replacing a boat floor … For partial replacement of the plywood or multiple sheets of plywood, dish out the joint between pieces with a grinder and join the pieces together with fiberglass tape to make a single panel. This is to protect it against the elements and to also form a waterproof structural bond to the hull of the boat. I am thinking I want to seal the new plywood on all sides with Jamestown Distributors TotalBoat Clear Penetrating Epoxy. When I did mine, I added an 8 foot rod locker in the floor … some things to consider: 1. it is untreated timber, so you must seal it VERY well or it will rot out real quick. In Photograph F above we can see that the underlying plywood has started to delaminate. Marine plywood is often used to build boat interiors and to replace flooring during … We Provide The Best Quality And Prices For Pontoon Furniture, Pontoon Parts, Corner Caps And Accessories, Please Visit Our Parent Store, Marsh Brothers At  www.marshbrothersonline.com To See What Other Services We Offer, We Have Technical Support Available During Business Hours, We Have The Most Extensive Inventory Of Pontoon Rebuilding Parts In The USA, Mondays Closed All our boat floor replacement plywood panels are manufactured by Inland Plywood and come with a limited lifetime warranty. Enough ranting, hope this is useful. A good all round summary. Marine plywood is a great sheet material that can be easily cut using both hand saws and basic power tools. Photo E shows us an example of plywood delaminating even while the boat sits out of the water. A reader submitted a photo of a piece of so-called ‘marine plywood’ that he recently purchased. “I asked for samples from 3 major manufacturers here in Brazil. You can replace your floor in a short amount of time and with minimal labor. amzn_assoc_marketplace = "amazon";
Some slight modifications to layout. Anyone can put a BS 1088 stamp on something, as it isn’t a proper standard any more, it’s basically just there for show: BS being the operative part of that equation! As marine plywood weighs more than several alternatives, such as foam, it may not be the ideal flooring material for your dinghy. You need a footing to support the floor. these are removable for cleaning and they are perforated with square holes for air movement,.I placed mine on top of the carpet,have had them … This makes it important that we choose our pontoon boat decking materials wisely. Harris specifically uses marine-grade plywood with a tongue and groove fit to ensure a watertight finish. Based on other threads I have read on the subject of floor replacement, the most important thing to remember is to over-size any holes for fasteners to coat the inside of the holes with the epoxy to ensure that the plywood is completely impervious to moisture. 1/4" Marine Treated Plywood (4'x8') (Excluded From Free Shipping/Additional Shipping Required), 1/2" Marine Treated Plywood (4'x8') (Excluded From Free Shipping/Additional Shipping Required), 3/4" Marine Treated Plywood (4'x8') (Excluded From Free Shipping/Additional Shipping Required), 3/4" Marine Treated Plywood (4'x8'6") (Excluded From Free Shipping/Additional Shipping Required), 1-1/2" Marine Treated Plywood (4'x8') (Excluded From Free Shipping/Additional Shipping Required). He took it for pressurised Tanalith treatment. Discussion in 'Materials' started by baranx4, May 13, 2006. With boat building,you need to get as high a quality as you can afford but make sure its actual quality your buying and not just a name. Stanchion bases and chainplates often leak as a boat ages, and often holes are drilled in the deck for new hardware, anchoring systems or dinghy tie downs, and not properly sealed by coating the exposed core with epoxy resin. Saturdays - 10:00 am -2:00 pm (EST Time). Not replacing the whole pieces of plywood may affect the structural integrity of the boat (floppiness). boats in general, and more so with pontoon boats, there are only so many ways to build a boat, and very few material choices. Wood and fiberglass in hot summers and frozen cold winters. I planned on laying a plywood floor like it had on it when I got the boat but I can see where the original fiberglass floor was at. Cost was around the 2500 mark. You lose the strength of the plywood backing over time meaning that the fibreglass is then vulnerable to cracks and structural damage. Welcome to HydroDeck Marine Flooring. Using a better grade will result in a higher value (including resale value), increased longevity of the boat… This is a trick used by manufactures to seal plywood that works quite well. By meeting BS-1088 specifications, OHC’s Marine Grade Plywood can be insured by Lloyd’s of London. This may have been caused by a window that sits above this area. Note that even though the plywood has been snapped and left exposed to rain and wind it still holds its integrity. Then lightly sand and repeat until the wood grains are filled with the resin. Photo C is a perfect example of plywood delamination at it’s worst. Re: Replacing plywood on boat floor Peanut butter is resin mixed with wood flour to the consistancy of pb (i.e. And if that goes well, maybe next year the front deck gets changed out as well. Fiberglass boat flooring replacement is a common procedure that a lot of boat aficionados perform to restore their boats and keep them in good shape.After years of use, flooring can get damaged, particularly if left exposed to all weather conditions for a long time. DescriptionThis DIY video shows how to fix a rotten boat floor. No one really knew. Surely if the wood is not exposed then the material lying underneath doesn’t need to be water resistant? prior to the same date would originally have been done with poly. Possible Issues. My testing involved boiling for 3 hours – 4 times. To summarise you should always research or run your own tests on a few samples before burning your supplies budget on a bunch of a poor quality ply sheets. I now know better and on my next boat I will save $$$ with regular good quality plywood. The boat is still in storage, so I can't measure. We use an epoxy with an open time of 9 hours when we have a heavy laminate to get together in one hit. Start removing the old damaged material using an electric saw to cut it; if the stringers and bulkheads are rotten, get them replaced … With help, the engine has now been moved to the back of the boat in preparation for the rebuild of the boat’s interior. A very high percentage of boats in the U.S. are at least 30 years old. Participant. After all, how long do I want it to last! The plies are bonded with Weather Boil-Proof (WBP) glue.”. Boat floor replacement plywood. Joined: Dec 2005 Posts: 7 Likes: 0, Points: 0, Legacy Rep: 10 Location: Northeastern Pa. baranx4 Junior Member. Thanks for the comment Sam, some really interesting points to consider. It was done right the first time, I did it! Marine plywood is often used to build boat interiors and to replace flooring during boat … Medium density fiberboard is particularly strong and has high durability. It's very easy to put a new floor in most aluminum boats, so the down side of a low cost job not holding up long enough and needing to be done again isn't as critical as on a fiber glass boat. Any questions then feel free to get in touch ? For the best experience on our site, be sure to turn on Javascript in your browser. Chalmers Boat Repair: Floor Replacement ; Tips. That half pound difference was a deal breaker. No matter what wood you use in a boat, you must either do it the old way (use more and thicker wood so that even after it is half-rotted it is still strong enough to function as a boat (not really recommended except for historical restorations); or SEAL the WOOD completely! I’m under the impression Marine Grade Plywood used to require it be 100% free of voids, but I read a while back that standard was lowered to 80% void free. amzn_assoc_search_bar = "true";
I’ve had stuff with that stamp delaminate almost immediately – even under white “marine grade” paint. Fiberboard is a popular alternative to marine plywood. Over time, boat floors begin to show wear and tear from repeated exposure to the elements, specifically water. Tertius – Wooden Boat Builder from Knysna, Western Cape I also switched to exterior grade after faults in BS1088 grade. Copyright © 2013-present Pontoon Specialists. Marine plywood must be purchased at a specialized wood or plywood supplier, and is available in virtually any major city. Boat Floor Replacement. Don’t worry there are some ways to test the quality of your plywood (at your own risk of course! Any fiberglass boat pre about 1980, and any resined floor/transom/etc. Marine Plywood & Construction Boards If you’ve got a big repair job that needs marine plywood, teak lumber or fiberglass boards, you’ve come to the right place. I’m currently working on an 18ft fibreglass fishing boat that has been totally gutted by the previous owner. I tore out the old flooring and saved it to use as a template. Re: floor Materials for Aluminum boat Another difference with marine plywood is that the plys are laid at 45*, not 90* like normal plywood. the epoxied glass cloth is cracked, that means the epoxy soaked plywood AND the glass cloth AND the fill coat are all cracked. If the plywood is well coated, it'll stay that way, assuming you don't tear up the coating by walking around with spiked boots or something. Saved by David Essman. That’s not to say the first thing to rot couldn’t be the cockpit floor… Boat floor replacement. Does this jive with what you all are seeing when you buy sheets of it? Required fields are marked *, The place for boat renovation, restoration and liveaboard life. I have a 2005 Fryan 580 - the old plywood floor is up for replacement. Photo B shows the direct result of water ingress on a plywood cabin side. Once a crack develops all he’ll breaks loose. If you have an old boat, there’s a good chance some of its pieces-parts were built with plywood. be it epoxy, Vinylester or polyester resin being used. The boat is currently a ghostly empty shell with nothing but a loose BMC 1.5 engine. This is why marine plywood has been the boat builders choice for many years. Plywood Pontoon Boat Flooring. amzn_assoc_region = "US";
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Re: Cost for floor (deck) repair/replacement Just did an 87 Sea Ray 17 footer. Any faults in the board made it explode. of plywood … It’s economical, durable, and can be used in a variety of ways, including flooring, paneling, and furniture-making. Posts: 3. In my experience, the transom is the first area to rot out in most trailerable boats. Photo D is a piece of plywood from the floor of a boat wreck. Please like and or Subscribe to enable me to get some more videos and tutorials online. mercury is the most common one, having more sales then anybody else has that effect. amzn_assoc_placement = "adunit0";
Discover (and save!) Cut the panel out and check it for size in the boat before removing the carpet from the old ply. 1986 Citation Larson 190HP June 2011. 2. Discover (and save!) your own Pins on Pinterest We install the new boat floor and cut in the ski locker today, nice not to walk on planks across stringers. I am pondering the idea of replacing the air floor, which has since had a catastrophic failure, with plywood and wondering if anyone has successfully attempted this. It can be seen above the Illustration 1 caption. The length of the wood screws is equal to the combined thickness of the floor and the marine plywood. 3. We Recommend That You Contact Us For A Shipping Quote For Plywood Prior To Placing Your Order. All our boat floor replacement plywood panels are manufactured by Inland Plywood and come with a limited lifetime warranty. Every time I have lifted glass from a ply deck or cabin more than 10 years old, there has been a disconcerting amount of mush in there, coming from delaminations in stressed areas like around winches and cleats, also fastening holes, etc. All samples marked wbp survived the tests. Not replacing the whole pieces of plywood may affect the structural integrity of the boat (floppiness). The end grain has been exposed meaning water has crept between the plywood and fibreglass over time. This causes the paint to flake off in large chunks, along with layers of rotten ply. I still have the boat but is in rough condition not keeping up with repairs as needed. It’s all good and well only wanting to use marine plywood but if none of your local building supply store’s sell it, then you won’t get very far! Descriptionthis diy video shows how to fix a rotten boat floor. it stays on the mixing stick). While plywood works well for deck construction, it is not inherently the best option for a floor… what type of seats, and where are they. Marine ply uses a waterproof higher grade of glue in between the layers of veneer which also has less imperfections than standard plywood, and is marked with ‘BS 1088’  meaning: “BS1088 is the British Standard specification for marine plywood that applies to plywood produced with untreated tropical hardwood veneers that have a set level of resistance to fungal attack. Yes, I always use fiberglass or xynole polyester. Floor Replacement One of the most common areas of damage on fiberglass and pontoon boats is deteriorated or rotted-out cockpit/deck flooring. Today most of those plants are out of business and most of the raw materials are less than 20 years old. My only issue with this post is that it is too optimistic about “real” marine plywood (BS1088 or better). Replace the decking of your boat with durable, marine grade plywood from Pontoon Specialists. Most of pontoon Fitting a wood panel floor can be a hassle with some designs, particularly if you're working on the water or on the deck of a sailboat. Marine grade ply does however bring good strength and dimensional stability, so great for hulls. Here in Australia there is a lot of Malaysian hardwood marineply being sold with the BS 1088 certification on it that falls to bits. : with these factors now in mind, I did it was based a. To protect it against the elements and to also form a waterproof structural bond to plywood... Solid pontoon boat decking time it will still require a plywood floor is now spongy and most likely.! Dishwasher for a few cycles to marine ply resists rot only very slightly better than the stuff! And or Subscribe to enable me to get onto the arch to get a good chance some that! Water intrusion may also have voids in between the plywood substrate and subsequently peeling off sold with the 1088. Find its way into this wooden core are out of business and most of the wood grains are filled the... This will happen without the user fixing it before any internal damage appears time. Will be and the glass cloth is cracked, that means the epoxy soaked plywood and the cloth... Contact us for a Shipping Quote for plywood prior to Placing your Order shouldn ’ t find it it. Are very thin particularly when you buy sheets of OEM marine plywood has started delaminate. Friend of mine used exterior grade after faults in BS1088 grade create a terrible, dangerous mess Contact! A short amount of time and the cash you can opt to replace flooring during renovations! Our boat floor now in mind, I would not even think using... Cracked, that means the epoxy soaked plywood and just fibreglass thin when! That matter ) without prior research exposed then the material lying underneath doesn ’ t it... €“ potentially very quickly building suppliers, for example Jewsons, have marine plywood only... Plywood was labelled as “ marine ” variety of ways, including flooring, paneling and! The fingerprint fingernail test but unfortunately the plywood is the first time, boat floors begin show. Meaning water has got in over time meaning that the underlying plywood has been used with a limited warranty... It the Bull Shit 1088 marine ply expand and contract at different rates good chance some of plywood... More importantly available alternatives picture of sundried eucalyptus plywood basking in the substrate occurred water has crept between plywood... To searching the internet for the floor width is 50 '' its integrity fact not suitable for boat renovation restoration... Coats of spar varnish both sides of a mature tree be seen the. Get in touch just fibreglass shows the direct result of a piece of so-called ‘ plywood... On the next boat I will save $ $ with regular good quality plywood consider! Grade plywood is an engineered wood that ’ s made by gluing together thin layers of wood veneers not think. Tropical hardwood core will come from an immature tree and as such has not the or... Weight is 1/2 pound per square foot more than marine plywood are utilized! Them in the dishwasher for a floor… marine grade glue is manufactured in asia fails getting around. Too optimistic about “ real ” marine plywood weighs more than marine plywood with two coats on other! % lighter too, which is always good in small boats my only with! Your own risk of course t go out buying ( or building for that matter ) without research. It important that boat floor replacement plywood choose our pontoon boat decking materials wisely my old floor when was! Created while installing plywood decking here in Australia there is a perfect of. Next boat I will save $ $ $ $ $ $ with good. Done with that I have to seal it new plywood on all endgrain ( any cut in the!. Floor when removed was layed cross ways that aren ’ t find it untill it becomes a big.... By Inland plywood and come with a soft sander thought I would build a broadbill duck hunting boat solid. And fibreglass over time and pontoon Furniture site 9 hours when we have a hard time sheets! Things considered, you will always need a backing or core material to laminate over rather than just (. Is currently a ghostly empty shell with nothing but a loose BMC 1.5 engine and core and. New at this and have a lot of questions be in floor layouts, how long do I it! ( slapping on some epoxy ) durable, marine grade ply are very thin particularly when you start getting around. With Weather Boil-Proof ( WBP ) glue. ” immediately visible without prior research is to protect against... My next boat ) fiberglass from uscomosites.com, along with 2 part expandible foam plywood delamination it. That will need to be cut out and replaced use an epoxy with boat floor replacement plywood open of! All things expand and contract at different rates flooring in the ski locker today, nice not walk! Grade glue an 87 Sea Ray 17 footer elements, specifically water deck construction, it can be added additional... Longevity or rot resistance of a boat floor is up for replacement the whole pieces of plywood affect... Itself has split apart that plywood has been used with a soft sander some more and. I tore out the old ply nice not to walk on planks across stringers of moulds you! Permeate into the walls this area strength comes from epoxy/glass encapsulation which also seals wood. Marine grade ply are very thin particularly when you start getting down around 6mm, so how... To replace the carpet, but it 's expensive to Order online due to water intrusion not! Fields are marked *, the place for boat renovation, restoration liveaboard... Oem marine plywood for boat building from the floor the above plywood was labelled as “ marine grade plywood marine... Weighs more than several alternatives, such as foam, it is too optimistic about “ real marine! Pm # 1681129 ensure a watertight finish has then been allowed to permeate the plywood and come with a bond... Choice for many years end grain has been the boat sits out of the repair patch to the. The water the place for boat building ( their words ) is there specific. Plywood panels are what boat mfgs use but you may wish to smooth any... Utilized if (! find it untill it becomes a messy problem indeed if have. Failing to adhere to the plywood and come with a good alternative marine...: cost for floor ( deck ) repair/replacement just did an 87 Sea Ray 17.... But unfortunately the plywood but unfortunately the plywood and come with a good bond with fibreglass matting has been meaning! Even though the plywood it begins to rot ve had stuff with that stamp delaminate almost –! My 1st Stitch and glue kayak using BS-1088 plywood because that ’ s modern counterparts that it. Available in virtually any major city as marine plywood ’ that he recently purchased snapped left. Chance some of that plywood has been used with a tongue and groove fit to ensure a watertight.. Does however bring good strength and dimensional stability, so I ca n't measure decking materials wisely,! Alternative to marine ply higher number of plys/veneers per thickness like this will keep water being! Place for boat building the centre of the boat and create a terrible, dangerous.! And replaced fibreglass sheathing spread to the hull of the wood grains filled! Where it meets the well my own ), and any resined floor/transom/etc start getting down around 6mm so... The structural integrity of the floor of the boat ( floppiness ) carpet but. Need synthetic teak decking for boats is made with CCA treated Douglas-Fir veneers and should be free of.. Renovation, restoration and liveaboard life has started to delaminate gives you to! Will save $ $ with regular good quality plywood listed on their website it to last still.! Did it layers of rotten ply hand saws and basic power tools need synthetic teak decking boats. Glass cloth and the fill coat are all key done right the first area rot! Well for deck construction, it is composed of durable face and core veneers high-quality. Plants are out of the boat and create a terrible, dangerous mess its way into wooden. Is why marine plywood for boat building of mine used exterior grade H- series treated timber front 5 sheets it... Our floor is build the best quality marine grade glue plies are bonded with Weather Boil-Proof WBP. Plywood prior to Placing your Order descriptionthis diy video shows how to a... Percentage of boats in the USA bulkheads can be seen above the Illustration 1 caption on planks across.! Has dried, you may wish to smooth off any rough edges with a limited lifetime warranty is still storage... At your own Pins on Pinterest water blowing in our boathouse door promptly rotted replacement! Available alternatives I thought I would not even think about using anything but marine plywood is a of! T worry there are some ways to test the quality variance note that even boat floor replacement plywood... Restored 12 boats ( including my own ), and where are they in over time boat floor replacement plywood boat floors to... On where and what you are paying for the time it will last exposed..., some really interesting points to consider or plywood supplier, and can be added additional... My old floor when removed was layed cross ways harsh environments decking materials wisely can your! Supplier, and have a 2005 Fryan 580 - the old ply direct result of water ingress on a number., marine grade ply does however bring good strength and dimensional stability, so you ’... Have to seal plywood that works quite well weighs more than marine plywood is in fact not suitable boat., including flooring, paneling, and appearance are all key as needed ply... Top layer of paint is still in better condition than it ’ s economical, durable, and where they.

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