plywood thickness for boat floor
4mm seems a little thin for a 26 footer. Marine Plywood offers high resistance to water fungus and damp.
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Sold as ¾ but will be slightly under due to the finishing.
. Thank you for your time and insights. Plywood thickness for boat floor. Regular plywood on the other hand is typically made with just 3-layers.
I am wondering if given the closeness of the supports I could get by okay with 58 or 12 thick plywood for the decking material. 34 vs 12 marine plywood weight. The foam you have under the deck is.
A ¼ inch thick piece of 48 Marine grade. Attachments photo213047JPG 1344 KB Views. Marine plywood is highly resistant to water dampness and fungus.
Also use 5 ply plywood not 3 ply. What thickness plywood for boat floor. It may be used not only for boat flooring but also for boat interiors in general.
I believe the original boat was planked with 14 inch cedar. The minimum thickness allowed for ceramic tile installations is two sheets of 58-inch thick plywood. The higher the ply count for the same thickness the more stable and resistant this plywood is to cupping and warping.
So when i look to replace this i was considering using 34 plywood for the base of the deck with a glass and non slip surface finish. Ad Browse discover thousands of brands. Shop and save up to 15 at our Waterproof Flooring Event.
I just dont want to end up building a battle ship if I dont need to. Get 24-month financing on orders of 3500 with install. Just make sure to seal it good.
When you cut your floor out of plywood the 8 side should be portstarboard across the boat the 4 side bowstearn. It can save both labor and material compared to 12 installations while giving a major increase in strength. 6 mm plywood would be more consistent with the 14 inch cedar but if 4 mm plywood is adequate Ill use what I have.
It really depends on the boat design. The best type of plywood for boat flooring is marine grade plywood ideally made from Douglas Fir or Western Larch wood. In some applications you can eliminate structure by going 34.
Personally you are only spanning about 18. The aluminum in mine is very thinabout like aluminum roof flashingplywood would be much cheaper and not add that much weight12 inch should be sufficientwith the rib spacing in the boatyou could even go thinner with the foam support below. Im doing a project now and the 34 ply doesnt need stiffeners like the 12 did.
It features a durable face and core veneers. The original deck of the boat was 12 inch plywood covered with what appears to be glass and gell coat. Marine plywood is the best boat floor replacement plywood.
In construction plywood is ran across the joist the 8 way because that is where the strength is. 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. Ad Whatever Youre Building Our Selection Of Wood Makes It Easy To Complete Any Project.
3 64osby Admiral Joined Jul 28 2009 Messages 6704 Dec 12 2014 2. The boat floor takes a real hammering. I think more important than epoxy and glass on the outside is internal strength from bulkheads andor frames and stringers.
In addition a boat floor is a perfect place for plywood to rot. Read customer reviews find best sellers. But I have no problem with buying 6 mm if 4mm is inadequate.
What size plywood you use for your Jon boat depends on how big your deck is as well as what kind of Jon boat you have. What thickness plywood for boat floor. I went from 12 to 34 on a 17r and it let me use less framing so a little of the extra weight was offset by less structure.
PAR where are you lad. B BMOLCHANY Petty Officer 1st Class Joined Jul 3 2008 Messages 224 Jul 30 2008 10 Re. The plywood must be exterior grade for all wet areas and it has to be installed in such a way that the joints between each layer do not line up using what is known as a stagger pattern to keep the pieces from ever lining up.
Here is what one user said on River Dave Place s forum. Im no expert however and will watch this thread with interest. Some ply is guaranteed for 15 and 25 years depending on where and what you purchase.
Marine plywood differs from regular plywood in that marine-grade plywood is made with 5 or more veneered layers glued together with waterproof adhesive. Its ideal thickness is 8 to 12 mm depending on the size of the boat and the weight she intends to carry. I believe the original boat was planked with 14 inch cedar.
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Make sure you paint or seal it thoroughly. It can easily be cut using basic power tools and hand saws. The best plywood size for boat floors is 7 x 4 ft 2100x1200mm which is also the standard size of Marine plywood a hardwood amalgamation designed specifically for use in boats catamarans and ships.
Most of the gentlemen here use a exterior grade plywood from the big box stores like HD or Lowes. The marine grade plywood is the best option. The direction you place the plywood is also critical.
The DownTrodden Boat Floor. Water slopping around in dark corners and stagnant air in musky hollows are all part of the floors experience. Ad Its time to love your floors.
Apr 5 2011. A- and B-grade plies will be void-free. James Wharrams Tiki 21 is stitch and glue and uses 6mm ply.
1 Attached is a picture of decking supports for one section of my Sea Nymph 14R Big water. However on many fishing forums most Jon boat owners prefer ½ to ⅝. It has to deal with heavy loads carelessly dumped on it.
Enjoy low prices on earths biggest selection of books electronics home apparel more. Regular 12 ply weighs -50lbs a sheet and 34 ply weigh -75lbs. 02122020 1 views.
Essentially you are paying for the time it will last when exposed to harsh environments. It is composed of durable face and core veneers and should be free of voids. In total the plywood should be a 7-ply lamination with most plies made from Douglas fir bonded together with waterproof glue.
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