The main floor will be .5" plywood to aluminum braces. All our boat floor replacement plywood panels are manufactured by Inland Plywood and come with a limited lifetime warranty. prior to the same date would originally have been done with poly. Joined: Jul 2012 Posts: 3 Likes: 0, Points: 0, Legacy Rep: 10 Location: Springdale, AR Scrapper New Member. Jul 12, 2017 - This Pin was discovered by Jeffrey Michaels. Some experts suggest that 15/32-inch plywood should be standard if the underlying floor joists are spaced 16 inches apart or less, but slightly thicker 3/4-inch plywood should be used for joists spaced further apart. Any type of composite decking out there and widely available? Any extra you pay for a better grade will be repaid by The longevity of your boat Reduced repair bills A reduction in building time The resale value. Aluminum floors are great to have on your inflatable boat, a few common examples are leisure boating, fishing, placing equipment on the deck, and having pets on board. The plan is to start with the main floor. Thanks! In the OP's case, with a big flat surface, I'd go back with plywood, glue down overlapping sheets of 4' X 8' galvanized sheet to it, and paint it. Replacing wood floor in Lund aluminum fishing boat. Discussion in 'Fiberglass and Composite Boat Building' started by Scrapper, Jul 21, 2012. Using a better grade will result in a higher value (including resale value), increased longevity of the boat, and a … I use stainless cup washers and stainless screws, and sealed the edges with white sikaflex which I masked off so it looks really professional. It would be easier to do if oar or paddle will be placed between ground and boat bottom, such way that to lift edge of board off the ground. To build the best boats, the best quality Marine Grade Plywood must be used. Make sure that floor will flatten by spreading inside the boat. We also offer water putty for filling in any screw holes, gaps, or cracks created while installing plywood decking. Hi guys, has anyone ever installed foam decking for their aluminium fishing boat? This can save you money as well. The OEM screws are T30 Torx 1 3/4inch long. Long story short, I have an Intex Seahawk 4 inflatable boat and I’ve long wanted to build a DIY hard floor to add some much needed stability. For hulls and decks, my advice is to always use marine grade. Carpet will hold water and cause wood rot. i removed the plywood last year when i recarpeted,and still have no problems. The bottom of the decking is subject to water damage from repeated exposure to spray from the pontoons when the boat is underway. When boat building with plywood always use the best quality you can afford. What wood do you use? We set out the 18 different types of plywood here by ply, wood type as well as other wood sheets made from other materials. Nah. Making New Marine Vinyl Boat Seats: Alright, Finally got a little time to do some work so I made new seats and motor box for the back of the boat. If you have a 20' pontoon boat, two gallons of glue will be enough glue to cover the entire floor of your boat. Plywood for Boat Building. The boat is a quintrex and i understand that thickness depends on sub floor frame and how the floor is supported, but im guessing 3mm ought to be enough (considering the bottom of the boat is 3mm press out of the same material). This kind of plywood is very smooth as well. Insert aluminum stringers between boat tubes and floor sections. The many types of plywood can differ in materials, number of layers, rating and grade. Cheap exterior plywood and some kind of deck or porch paint for wood will hold up for several years and just use some sand as a non skid finish. Hey guys I'm looking to extend my deck on my job boat. The subfloor is the decking installed on top of flooring joists; the finished floor is then installed on top of the subfloor. The boat is still in storage, so I can't measure. When plywood is exposed to water or extreme humidity conditions it can cause the glue to come undone, weakening the entire integrity and foundation of the wood. Been comparing the big three (lund, alumacraft, and crestliner). Looking at options and keen to hear peoples experiences with them; * Tube floor matting - I imagine tackle can easily get caught in between tubes? plywood was used in construction and some general care was taken of the boat, you can rest assured that you'll get many years of relatively carefree service from your pontoon boat purchase before any issues or observation of any decay. The recommended thickness of the plywood subfloor is governed by the spacing of the joists. I cut and laid exterior plywood covered with Sears porch oil based paint for many years with sand sprinkled on the last wet cote for anti slip.I cut 2x4 to fit for braces where needed. There are no limits as to what you can do or have on your deck when you use an aluminum floor. Some slight modifications to layout. Discover (and save!) I'm sure they are all great aluminum boats. Epoxy WILL last longer, and yes poly resin will eventually let some water through... but lots of old aluminum boats did nothing but paint the wood, and in lots of cases it still lasted 30+ years. your own Pins on Pinterest Pontoon boat decking is usually constructed of marine plywood screwed to the aluminum deck beams and covered with marine carpet. I have a fiberglass boat that the pedestal screws to the floor. Replacing the deck on my pontoon and this is absolutely crazy....Marine Plywood is going to cost me over $500-600...then carpet and glue are going to be somewhere around $400. It is also a strong wood, and while not as strong or as durable as marine plywood itself, is often a good alternative. The one thing I hear that I can't verify is that the crestliners do not use marine grade plywood on their decks or floor, and won't last as long as the other 2 brands. Therefore you should be certain that a good grade of marine plywood was used in the construction of your boat. I looks like Ranger didn't get the floor thick enough where the pedestal bolts to the floor. It doesn't last long once it's exposed to the elements. The bow will be 1.5" 2x2's through the aluminum bow which lays over (original) wood. 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. By meeting BS-1088 specifications, OHC’s Marine Grade Plywood can be insured by Lloyd’s of London. I was on Tinboats.net and people were saying not to use treated wood on aluminum boats. Plywood is a necessity in many DIY and construction projects, but not every type of plywood works for every project. Greetings, I have a two place aluminum snowmobile trailer that I am replacing the decking on. This guide will explain the different uses of plywood, as well as popular plywood sheet sizes and its rating and grade system, so that you can choose the best plywood for your project. Many pontoons use an aluminum sub-frame covered with a marine grade plywood as the decking. I read stainless steel reacts with aluminum. Many of the same parameters are in play but the water resistance does not have to be as key and often appearance is of much less importance because the plywood is used as a substrate for an exterior hardwood, softwood, or composite material. The question i ask, am i wasting money paying for 3mm when 2mm might be enough? I'm trying to add a few feet to the deck up front. Plywood is a wood that is oftentimes used on docks and boats. Yeah that desk paint is good, on my boat I wrapped the ply in boat cloth for a bit of extra strength, then epoxy resin, then primer then deck paint on top, hull paint underneath. 50+ years of personal experience with Aluminum boats and plywood.Treated wood will react and corrode Aluminum be it 2x4 or plywood. So since im already looking at a pretty pricey amount to redeck..I figured I would check to see if there are any good alternatives. I am looking at pressure treated plywood, and am concerned because it will react with the aluminum. This Water Based Vinyl Adhesive is specifically designed for wood surfaces. If marine grade CCA treated 3/4 in. What Size Plywood Do I Use for a Subfloor?. Our marine plywood for boats is made with CCA treated Douglas-Fir veneers and high-quality, marine grade glue. I didn't know for sure what to use or how to treat it then, I'm planing on putting carpet too. fishing boat. How thick of plywood should I use for the floor. The only drawbacks compared to having an aluminum floor versus an inflatable floor is the setup and breakdown time which takes … It's a '94 Starcraft PikeMaster 16'. I see that these screws are 1 1/2inch long. Page 1 of 2 - Plywood for floor-What to use - posted in Trailer Talk: I need to replace the floor in my clamshell. And if that goes well, maybe next year the front deck gets changed out as well. Then the .5" plywood to the 2x2's. But the screws keep pulling out. Need plywood for a project? The Coosa is lighter than plywood. One gallon will cover an 8' x 10' section, or 80 square feet. Will this be an issue? And regarding the ski locker, I see some with an aluminum lip edging that holds the lid. The plywood for the original motor box and seats was rotten to the the core so everything had to be rebuilt including new plywood, cushi… Came up really nice. You have more choices than you think. This is your ultimate plywood buying guide. Consisting of two long aluminum or composite pontoons sitting on either side of the craft, the decking attached to the floor above the pontoons must be strong and durable. Unfortunately, plywood is made by gluing layers of wood together where it is later finished with a veneer. . How about a wood 1" X 2" lip on which to set ... Hello I just installed new floors in my boat and used 3/4 marine plywood. I am using 5/8inch thick marine grade plywood, which is the same thickness as the OEM plywood. Any fiberglass boat pre about 1980, and any resined floor/transom/etc. I expect my replacement floor to out last me. Doing hours of research on YouTube and Google, I’m pretty sure that every floor I saw plans for used some kind of plywood or OSB sheets. Doesnt look super durable with … It seems to be special order only. Because of this, it does not need to have any further changes made to it after installation. the aluminum in mine is very thin,about like aluminum roof flashing.plywood would be much cheaper and not add that much weight.1/2 inch should be sufficient,with the rib spacing in the boat.you could even go thinner with the foam support below. What type and length screws should I use? I've got the same issue with my boat. What thickness does anyone suspect that our floor is? Should I consider 5/8" instead? I have filled in the holes with fiberglass and redrilled them but they still pull out. While perhaps not as harsh an environment as on a boat, depending on where the structure is situated exterior plywood can take quite a beating. The original floor had holes in it but had been in the boat for 35 years. I have attached a photo of the OEM screws. I have serious rot in the plywood floor of my 17 ft. Lund alum. I have turned the pedestal and drilled new holes and they pulled out. 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