Water resistance bending ability and appearance are all key.
Marine plywood versus regular plywood for jon boat floor.
It takes paint well and could make a beautiful finish as a top floor something that regular plywood could not do.
A sheet can cost 10 to 50 as opposed to the cost of marine plywood which ranges from 70 to over 200 a sheet.
Marine grade plywood for boat building.
Fuel economy is important to me so i was considering building with foam core rather than plywood to keep it as light as possible.
Plywood is plywood right.
Given sufficient time and use it may be that the protective fibreglass layer becomes damaged allowing water to permeate the surface and begin to rot the underlying plywood.
If the plywood is required structurally then this becomes a messy problem indeed.
As a diyer do you know the difference between marine grade plywood and the more common pressure treated plywood.
The plywood is either expected to be a show face or at least a consistent face that can.
Wood is good unless it fails to serve the purpose for which it is intended.
The main issue with using a non marine plywood is the eternal problem of time.
Advantages of regular plywood over marine plywood.
I m considering building a 20 power boat something along the lines of an atkins rescue minor or a tolman skiff.
I ve been unsuccessfully looking for some kind of comparison between the two materials.
In the end marine plywood is ideal for building boats houseboats and other water projects.
3m introduces its new 3m reinforced polyurethane foam a lightweight and rot.
Regular plywood is much less expensive than marine plywood.
Regularly treated plywood is good for everyday projects around the house such as wall and floor sheathing.
In some ways it would make most sense for the plywood suitable for boat building to be the only plywood with a marine grade label.
Since marine wood is waterproof it will last longer than treated plywood.
To understand the differences between grades of plywood and the meaning of the various designations is to choose wisely.
The difference can sink or float your boat.
Where do you buy marine grade treated wood a person can t win here i posted an opinion which it seems everyone has one but as posters here have said and argued over and over that marine ply uses the same wood from trees as regular ply just thinner and with no voids and the same glue i would then take from the above post not to use any wood for a deck i have used treated wood before on my.