The main issue with using a non marine plywood is the eternal problem of time.
Marine ply horse float floor.
One of the projects we see a lot of at north geelong timber supplies is horse float construction and restoration.
The reason for this is the horse urine melts the marine glue that glues the timber veneers and after a while the ply will break down.
It resists humidity from steam and can stave off absorbing stagnant water.
It even holds up well against boiling water.
With the side walls it is ok to use plywood.
If the plywood is required structurally then this becomes a messy problem indeed.
So far i have been recommended form ply or marine ply although i would prefer jarrah it is harder to come by and would take a bit of scanning salvage yards to find.
Ph 02 4732 1290.
Marine ply is a water resistant timber product made from bonded glued multiple layers of sheeting and in the case of horse float flooring has a rating of f17.
This makes it a superb option as an underlayment for your kitchen or bathroom floor.
If used as flooring you must have a steel or aluminum sheet under ply to take the weight then use a cheaper 12mm sheet as a cover to protect the horses foot.
These very strong layers are bonded together in alternating directions which further increases the strength of the finished product.
Marine ply refers to the construction and treatment not the thickness.
Here s an extract from it.
1 4 marine ply won t do the job.
Whether used as a floor or a subfloor marine plywood resists rotting warping and shrinking.
We see so many people coming in to discuss this type of restoration that we wrote a whole article about it.
Any advice would be appreciated also for ply what would be the minimum thickness i would be looking at as the.
While it is a little more expensive than other kinds of ply it will last a lot longer making it a good investment for your float.
It is thin compared to the old wood floors which she is probably taking out of the.
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.
Friend of mine just went thru the same thing ended up calling the manufacturer and was advised the marine ply is not strong enough and will rot quite quickly as the urine will remove the coating on the ply.
Ended up having the floor was replaced for about 400 thru caprice floats at kingswood near penrith.
Our hardwood formply is perfect for the job because of it s strength and waterproof qualities.