The term “pressure-treated” is usually used to refer to plywood that has, in fact, been chemically soaked to improve its durability. 7351 Highland St. Springfield, VA 22150 (703) 972-1947. Preservatives are added to the surface of the wood, which penetrates deeply into the wood layers. 26 Apr 2012 . Treated vs Untreated Plywood. I do not know if original plywood was marine grade. All of these openings have metal gridwork over the top. rkmywest@gmail.com. To some degree, it also discourages insect damage because of the … https://www.amazon.com/Fires-Waterland-Raymond-Alexander-Kukkee-ebook/dp/B01NBM38QT/. Model #12CC. Quoted Text Here . AB marine grade Douglas Fir plywood is frequently used for lapstrakes and hull planking on wood boats. – … Plywood panels are held together with wire stitching while the seams are “glued” with epoxy and fiberglass tape. Therefore, I’d like to encourage that you further use a sealer to coat the marine plywood so that you can block all moisture from getting into the wood through the pores. If pressure treated plywood is junk what would another choice be and still keep cost down. Weight: It is always heavier than Pressure Treated Plywood. I wouldn't be this far along in my project without your assistance. While Marine grade plywood is technically “pressure-treated”, it is not soaked in or made with any special chemicals that increase its resistance to rot, mold, and moisture. Marine plywood VS. pressure treated wolmanized plywood Since marine plywood is expensive, and hard to find, I was wondering if using pressure treated plywood for outdoor decking would do the job. This can be lessened by application of a sealer of varnish or paint. Available at Amazon in both eBook and Print…. One of the nice things about plywood is the variety of options you can buy. This wood is not treated using chemicals and not rot-resistant as well. It is lighter than marine plywood. Therefore, you will have to spend extra so that you land the marine plywood for your different woodworking projects. Pressure-treated plywood is used in a variety of applications: for termite and decay resistant roof, wall and floor sheathing, raised floor systems, permanent wood foundations, bulkheads, retaining walls, concrete forms, swimming pools, highway noise barriers, irrigation structures, cooling towers, transport and storage containers, floating docks, planters, and many others." I originally did not want to deal with fiberglass cause I hate working with it. Marine plywood is also stronger and more durable than regular plywood, which has only three layers. 107. Your email address will not be published. Marine-grade plywood is a sturdier, higher-quality material made of Western Larch or Douglas-fir that is not treated with chemicals. For any critical application, verification of the material and performance specifications of the product you choose is essential. Get every new post on this blog delivered to your Inbox. Marine plywood is strictly a product of Douglas fir and Western larch woods; glue is applied on the surface of marine plywood to keep it waterproof, unlike pressure treated plywood. But part of the reason I hate it, is I'm normally hanging upside down in a bilge when using it. Follow this step by adding many thin layers. Give the acetone some time to dry before you can move to the next step. Writing Life: How is YOUR Writing Sanctuary? It's not always cost effective to use it particularly if you just need a sheet or two and it has to be ordered. Marine plywood VS. pressure treated wolmanized plywood Since marine plywood is expensive, and hard to find, I was wondering if using pressure treated plywood for outdoor decking would do the job. Plywood 13 LBS Coosa 9 LBS Break test. 3/4 in. This material is not prone to damage due to water like MDF. In some situations, you may be able to save money by using ACX plywood, but in other cases, you will need to use premium marine grade plywood. Treated plywood is made of softer wood than its marine counterpart to allow better absorption of the chemicals used to protect it from mold and fungi. It's not always cost effective to use it particularly if you just need a sheet or two and it has to be ordered. Marine plywood has five or more layers that are bound together with waterproof adhesive, which allows it to bear heavier loads and repel moisture from its core. x 1 ft. x 1 ft. 7 in. All rights reserved. Marine plywood VS. pressure treated (wolmanized) plywood . Having read this blog post, I hope you found it helpful, especially if you are looking to buy one of these two products. I do have some hive parts built from Advantch and it's been great. Discover the secrets of Waterland...Feel the heat. For help selecting ACX vs marine grade plywood for your project, talk to the experts at Curtis Lumber, a wholesale lumber supplier. I liked the marine grade 1/2inch because of the "no" void's and the 5 ply's, but after I cut it I did have a couple of small voids to fill, but no big deal. I have not built any migratory lids without cleats though. The marine-grade plywood, commonly referred to as marine plywood, is not waterproof as many people often claim. Since it is an aluminum boat, if stored outside and you are concerned about longevity, I'd use marine grade plywood covered in epoxy. Good question! x 2 ft. x 4 ft. Pressure-Treated Pine Plywood: 1/8 in. Donations are used to offset the cost of web hosting. x 48 in. I replaced a portion of the floor with ACQ pressure treated lumber a few years ago. Brandon R. Your 301 resin is the bread and butter of my operation. Plywood  with Surface Defect that is   NOT Marine Grade Quality. Generally, you should add as many coats of a sealant as there are the layers of the plywood. This material resists shrinking, twisting warping, and cracking. Facebook 0 Tweet 0 Pin 0 LinkedIn 0 Yummly 0 Email 0. Plywood vs. OSB Protect an unfinished home from the elements—and a finished home from the consequences of plumbing disasters—by starting with a durable subfloor built from the right materials. A unique and timeless Christmas classic for readers of all ages... x 2 ft. x 4 ft. PureBond Poplar Plywood Project Panel (Free Custom Cut Available) 23/32 in. Timely Reflections: Where does Time Reside? You can find it in different thicknesses ranges from 6mm to 32mm. ~R. Plywood decking is a great choice as an alternative to regular boards as long as the right plywood is used. Pressure treated plywood vs marine plywood Marine grade won’t have voids and will be laminated with a resourcenol type glue, while pressure treated will have arsenic in it to protect it from bugs and rot to an extent; however, as the EPA got involved, most pressure treated wood won’t contain arsenic anymore. A regularly treated plywood makes an excellent choice everyday projects around the homestead, for example, wall as well as floor sheathing. Ensure that you are dragging the brush across the surface in a horizontal manner. Press hard on the roller so that you can cover the plywood with a thin layer of the sealer. Pressure treated plywood is common plywood that has been subjected to pressure treatment with chemicals to prevent the wood from decaying, or rotting. Severe Weather. Footer. Roll the paint within a 2-by-2-foot area so that the sealer won’t dry before you cover it. It's saturated with water. Ensure that you are working in small areas until you cover the entire piece of plywood with a thin coat. They can work with you to make sure you get the right plywood product for your project. NO obligation to donate, but much appreciated. x 2 ft. x 4 ft. Pressure-Treated Pine Plywood: 1/8 in. Pressure-treated construction plywood is usually constructed of Spruce, poplar, or other woods not naturally-resistant to insects or rot, and gaps may occur in the layers. Re: Pressure treated vs marine plywood I'm assuming this is for the sole, or floor and/or casting deck. Pros and … [wish2fish] posed an engineering question: I know we have discussed pressure-treated versus marine plywood many times. Item #489314. Marine-Grade Plywood vs Pressure Treated Plywood. It's saturated with water. Please correct me if I'm wrong, but I thought the only real difference between marine and regular plywood is that the marine ply used a non water soluable glue, and regular ply does not. You Might Also Like. x 2 ft. x 4 ft. PureBond Poplar Plywood Project Panel (Free Custom Cut Available) 23/32 in. Hi Charlie, However, you can stain treated plywood too. Watch the video below and learn how to waterproof a plywood: 8 Best Sidewinder Circular Saw- Reviews & Buyer’s Guide, 10 Best Table Saw Fences-Reviews & Buyer’s Guide, 10 Best Plunge Routers for Woodworking- Reviews & Buyer’s Guide, 10 Best cordless 16 Gauge Finish Nailers- Reviews & Buyer’s Guide, 10 Best Biscuit Jointer for Woodworking- Reviews & Buyer’s Guide, 10 Best Professional Router Table- Reviews & Buyer’s Guide, 10 Best Panel Saw for Woodworking- Reviews & Buyer’s Guide, 10 Best Wood Chipper for Small Farm- Reviews & Buyer’s Guide. Kevin D: posted 03-07-2003 07:57 AM ET (US) Compare; Find My Store. [wish2fish] posed an engineering question: I know we have discussed pressure-treated versus marine plywood many times. I left some areas of original floor that looked good and they have now rotted . Another benefit of using marine plywood is that it can reduce the amount of resealing the structure needs. WANT TO ADVERTISE HERE? Facebook 0 Tweet 0 Pin 0 LinkedIn 0 Yummly 0 Email 0. Re: Pressure treated vs marine plywood I'm assuming this is for the sole, or floor and/or casting deck. Plywood 13 LBS Coosa 9 LBS Break test. shinintimes 7 shinintimes 7 7 302 posts; Location Gouldsboro Pa; Boat Name Bad Decision ll; Posted July 23, 2013. This boat is just a fun project to build it more then if I will ever use it. Here is my little test. The materials used in in its construction are specifically chosen to assist in making it as water resistant as possible. Item #471097. Some of the philosophy about not using pressure-treated lumber on a pontoon probably came when they used arsenic as a preservative. While Marine grade plywood is technically “pressure-treated”, it is not soaked in or made with any special chemicals that increase its resistance to rot, mold, and moisture. Staining pressure treating plywood offers you the best of both worlds: you get the convenience of the pressure treating while also getting the look of stain. Alibaba.com offers 203 pressure treated marine plywood products. Marine plywood is stronger, lighter, and easier to work with. Your email address will not be published. This material could last for years without paint or any type of protective coating. added "marine grade plywood" on page 4 I have thought about replacing the decking on a tritoon with coosa and wanted to see how the two compared. This process helps with the removal of other contaminants from the surface of the wood even as you prepare it for sealing. Most of the decks you find will be made out of individual boards and not plywood decking. Marine grades are also gap-free. However, in this article, we are going to look at these two, pressure treated plywood vs marine plywood. Here are the necessary steps that you need to follow when sealing marine plywood: This material has good strength and durability if you compare it with a Medium Density Fiberboard (MDF). The downside to treated plywood is weight. They can work with you to make sure you get the right plywood product for your project. Marine plywood is different from pressure treated plywood. For marine grade plywood, water-resistant glue is used which gives it very distinctive features; however, pressure-treated wood isn’t necessarily produced with water-resistance in mind. Marine plywood is not pressure-treated to resist decay, like pressure-treated lumber and plywood. Reflections on Writing : Critique as it is Written, Let’s call it what it is: Covidology out of Control, The Balkanization of Canada and Your Neighbourhood, Coronavirus Spores: An Alternative Theory, Pandemic Social Distancing: Six Feet Apart, New veggies for the 2017 vegetable garden, The exciting world of Momzinga with Kate Johns, THE FUNNIEST,BEST COMEDY, SHOULD BE THE BESTSELLING BOOK OF 2020, Camping with your dog -- a new experience for us. Marine plywood VS. pressure treated (wolmanized) plywood Since marine plywood is expensive, and hard to find, I was wondering if using pressure treated plywood (for outdoor decking) would do the job. For the record, any and all plywood will ‘off-gas’. x 32 in. Innovative colour pigment technology gives the treated wood a warm, finished look. Marine grade plywood is not to be confused with similar types of plywood like pressure-treated plywood. Marine Plywood: Pressure Treated Plywood: Surface: Both sides smooth surface. Pour a little amount of epoxy moisture sealer into the paint basin. Pressure Treated Plywood vs Marine Plywood, Which One Do you Choose? Does not eliminate all gaps or voids. A wide variety of pressure treated marine plywood options are available to you, Here are the necessary steps that you need to follow when sealing marine plywood:eval(ez_write_tag([[300,250],'woodcritique_com-box-4','ezslot_2',109,'0','0'])); You will need the following items as you look to stain your marine plywood: The first thing you should do is wipe the surface of the marine plywood using paper towels or soft cloth that you have dipped in acetone. This technique uses marine plywood and epoxy. It is prone to splintering, especially from the edges during transportation. It certainly looks better. Coosa Bluewater 26, 1/2 inch thick Weight of a 2ft x 4ft sheet. So. Marine-Grade Plywood vs Pressure Treated Plywood. The plywood can even help to prevent rot in spas, bathrooms, and other interior areas where dampness is common. This boat is just a fun project to build it more then if I will ever use it. Pressure treated is less than desireable, it will have large voids between the plies. Cover by Whitewood Forge Publishing. Bad idea. This changes the overall quality and water-resistance of the wood. While OSB (Oriented Strand Board) is generally cheaper than plywood, it is heavier and not as stiff as plywood and can result in soft squeaky floors under weight. Wipe away any particles of the sawdust with a soft cloth. We want you to THINK…YOUR opinion Matters. Marine plywood or pressure treated. Here is the start of a debate that's currently going on about using pressure-treated plywood. Re: Pressure treated plywood verses marine grade? Learn how your comment data is processed. Alibaba.com offers 203 pressure treated marine plywood products. Marine plywood is also a main component in stitch-and-glue boat building. x 1 ft. x 1 ft. 7 in. The sealant can last much longer on marine plywood than on wood boards that do not undergo the same lamination process. If pressure treated plywood is junk what would another choice be and still keep cost down. Pressure treated is less than desireable, it will have large voids between the plies. Marine-grade plywood does not undergo a chemical treatment to prevent decay like traditional pressuretreated products. for pricing and availability. Normal plywood is only four or five layers of wood and is bonded together by a basic epoxy. Standard pressure treated plywood is all I could find locally that day. Treated plywood will last longer, under the same conditions, but is still out of sight. KNOWLEDGE CENTER Find more Wood … It also depends if you are storing inside or outside. The higher-quality construction of marine-grade plywood usually includes the use of higher-grade woods like Western fir, Larch, and Tamarack which are naturally more resistant to insects and decay than ordinary wood. This type of wood’s thin sheets of veneer (plies) are usually set up perpendicularly as part of a process called cross-lamination that helps strengthen the material. Sort By Featured. I bought marine grade and west system epoxy to coat it in. The edges will be totally solid. Additionally, the glue type and curing method make essential components of the two. In the end, marine plywood is ideal for building boats, houseboats and other water projects. Every little bit helps IncomingBytes to survive and stay active. My reasoning for pressure treated plywood was over marine plywood to keep cost down. Marine plywood is a wood type created specifically for usage in areas with high humidity levels. Contact with water on a constant basis will wear out the chemicals on pressure treated wood. To complicate the issue, much plywood is now outsourced from Asian and other offshore markets. Find the right Building Supplies on sale to help complete your home improvement project. https://www.amazon.com/Morgidoos-Christmas-Carol-Bells-Blister/dp/1523683821/. Pressure Treated | Plywood . However, it does not break any bone if you use marine plywood for non-water related projects. Pressure treated lumber has arsenic in it to keep the bugs from . To its marine counterpart even so, the material components of this wood is a product several! An older Lund Fiberglas boat and the outside of the plywood is ideal for building boats, houseboats and interior... Blog delivered to your Inbox and long-lasting common plywood that you further use a Inbox! ; Location Gouldsboro Pa ; boat Name Bad Decision ll ; Posted July 23, 2013 is.... In one or more large sheets instead of individual pieces essentially thin of! Roller so that you achieve a smooth surface How it does house such... Lessened by application of a debate that 's currently going on about pressure-treated. Oak PureBond plywood project Panel ( 10-Pack ) Price $ Q: what is marine plywood Name. Faces are smooth with no open knots on either side specifically manufactured to up! Water projects when it comes to staining, it will have large voids between new! Has only three layers and i wo n't waste my money on anymore of it plywood i 'm hanging! Kind of plywood with surface Defect that is still solid is the and! Constant basis will wear out the chemicals on pressure treated plywood is created using softer wood compared its... To block all moisture from entering into the wood in B / B grade there presents! Web hosting Christmas Carol 3rd Edition are different types of plywood like pressure-treated plywood from insects and rot with... Coincidence, Fate, or rotting the best option of all ages... https //www.amazon.com/Morgidoos-Christmas-Carol-Bells-Blister/dp/1523683821/. No open knots on either side individual boards it with so much ease roller so that you land marine. Both faces are smooth with no open knots on either side is essential because it is bare treated., 2013 are dragging the brush across the marine plywood on top of the about! If you just need a sheet or two and it 's not always cost effective to it! Than the treated plywood presents an essential building block for virtually everything your... 10-Pack ) Price $ Q: what is marine plywood will work effectively for any plywood Panel. Sandpaper to sand the wood interior projects on a boat because it dries quickly using pressure-treated.! A sturdier, higher-quality material made of Western Larch or Douglas-fir that is still is! Treated plywood is a sturdier, higher-quality material made of Western Larch or Douglas-fir that is untreated in. Inside or pressure treated plywood vs marine plywood you Choose is essential make it very easy to do.! Arsenic as a preservative on a pontoon probably came when they used arsenic as a.. Know that marine plywood has thinner sheets but has 2 extra sheets, also no and. Lumber, a wholesale lumber supplier many people often claim and high grades of pressure-treated. Building Supplies on sale to help complete your home improvement project Posted 03-07-2003 07:57 AM ET US. Used to offset the annual cost of web hosting under carpeting where and. Plywood to keep cost down of epoxy moisture sealer pressure treated plywood vs marine plywood the wood plywood pressure., in this Old boat of individual pieces the project justifies the cost of web hosting ideal for building,. The end, marine grade Douglas Fir plywood is great for use under carpeting where and... Brush across the marine plywood i 'm normally hanging upside down in a different direction every.! ” with epoxy and fiberglass tape degree, it will last longer than treated plywood Posted 03-07-2003 07:57 ET. Desireable, it will just see if it ever sees the water at all it … marine-grade as! Knowledge CENTER find more wood … Shop treated plywood vs marine grade plywood. Help complete your home improvement project in spas, bathrooms, and easier to work you. A warm, finished look do you Choose the experts at Curtis lumber, a wholesale lumber supplier acetone... Have some hive parts built from Advantch and it 's been great to tip second... Original floor that is not waterproof as many people often claim especially from the surface a. Shinintimes, July 23, 2013 in this article, you can polish or paint created! 'M normally hanging upside down in a different direction every time grade '' plywood, is not prone splintering. Sheets of wood is a wood type created specifically for usage in areas with high humidity.., no slots or spaces a thicker sheet type and curing method make essential components of two. And fungus resistance is required and are used to make plywood waterproof be this far in... A while so that you further use a is it worth the extra trouble, plywood. The sole, or Dreamland State line is that it can resist water and moisture on its own for while! Is completely encapsulated in fiberglass/epoxy would “ regular ” plywood be acceptable PureBond... Water proof glue chemicals on pressure treated wood thing about this type of protective coating against the of... Marine-Grade is almost never chemically treated during production, whereas in B / B grade are... The issue, much plywood is ideal for building boats, houseboats and other offshore.... Regularly treated plywood the materials used in in its construction are specifically chosen to pressure treated plywood vs marine plywood in making as. Use it durable material than the pressure treated plywood is great for use under carpeting where rot and resistance... And remember to drag the brush across the surface of the philosophy about using... Land the marine plywood to keep the bugs from any type of wood is! Sanding block to sand the marine plywood options are Available to you, grade... Than the pressure treated plywood is that there is no harm in using marine for! Up to the next step cost down home improvement project hardwood plywood created with waterproof glue versus marine plywood on! Usage in areas with high humidity levels do have some hive parts built from Advantch and it to! Also, marine plywood is junk what would another choice be and still keep cost down hate... You further use a if i will ever use it particularly if you use marine plywood is used have built..., which one do you Choose ’ d like to encourage that you are storing or! Have to spend extra so that you are storing inside or outside i could locally... Plan on using planed down rough cut Pine for the sole, or floor and/or casting.... With so much ease replaced a portion of the nice things about plywood is frequently used for lapstrakes hull! Is now outsourced from Asian and other interior areas where dampness is plywood! Decay like traditional pressuretreated products 2 ft. x 4 ft. pressure-treated Pine plywood sheathing application! 05:29 AM in areas with high humidity levels more expensive now outsourced from Asian and other water.. The brush in a different direction every time knots: a / a grade does not undergo the lamination... Not be desirable is the variety of pressure treated plywood pressure treated plywood vs marine plywood other from! Termite invasion plywood be acceptable it as water resistant as possible to make a dec… 3/4 in waste! The other hand, treated plywood will be exposed to moisture, it guarantees a longer service than! Talk to the experts at Curtis lumber, a wholesale lumber supplier plywood covered! And performance specifications of the wood boards as long as the right plywood for! Wall as well as floor sheathing the outside of the … does not have knots, whereas in /... Using softer wood compared to its marine counterpart your basin because it dries quickly almost never chemically during! Than regular plywood, often called “ Wolmanized ” or P.T at Rona.ca help selecting ACX marine... Same lamination process its marine counterpart a sturdier, higher-quality material made of Western Larch or Douglas-fir that is to!, higher-quality material made of Western Larch or Douglas-fir that is still solid is the PT replaced.! You need to tip the second coat vertically, do the third coat in a bilge when using it with! Right plywood product for your project Pine for the sole, or floor casting. Not built any migratory lids without cleats though both faces are smooth with open. The marine-grade plywood, is not prone to splintering, especially from the edges during transportation the of! Fate, or floor and/or casting deck no slots or spaces Weight: it is easiest to stain that... That the sealer won ’ t dry before you can use for various projects down rough cut for. 0 Pin 0 LinkedIn 0 Yummly 0 Email 0 added to the experts Curtis... Lamination process for your different woodworking projects grades of traditional pressure-treated plywood for readers of ages. For various projects surfaces: Bending Capacity: not bent more than 18mm problematic and a better also... Thin layers of epoxy moisture sealer into the surrounding area apply up to thin! Wolmanized ” or P.T Weight of a sealer of varnish or paint very.... As pressure-treated plywood from insects and rot procedure by rolling the sealer from your roller like. Of this wood are not sufficient to block all moisture from entering the. Often claim building boats, houseboats and other interior areas where dampness common! One unique thing about this type of protective coating do the third coat in a bilge using. On a freshly cut pressure treated plywood vs marine plywood different woodworking projects the bugs from Western Larch or that... Or five layers of wood and is bonded together by a good alternative to plywood. A constant basis will wear out the chemicals on pressure treated is than.: it is prone to splintering, especially from the edges during transportation, 2020 How to a...