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What is wbp plywood used for?

4 Answer(s) Available
Answer # 1 #

According to the FAO of the United Nations, properly formulated WBP plywood is the only plywood recommended for exterior use. WBP plywood is designed for outdoor uses such as house building, shelters & covers, roof, container flooring, concrete shuttering, etc.

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John-Michael Stolhanske
Power Maintainer
Answer # 2 #

WHEN flooring contractors are faced with the need to overlay an old floor surface, prior to installing a high quality flooring finish, they always seem to end up asking for – or perhaps being offered – WBP plywood.

But it may come as a surprise to many, to learn that there is actually no such thing as WBP: and in fact, there probably has never been such an animal, in the world of contract flooring!

The letters WBP in themselves, stood for Weather and Boil-Proof (and not Water and Boil-Proof, as so many users of plywood seem to think!); but this was only ever a description as to how well-glued any plywood was supposed to be.

And I say ‘was’, because that description became obsolete more than a decade ago…although when dealing with many plywood stockists, even in 2012, you’d be forgiven for thinking it was still current and had some meaning to it. But no – those letters have absolutely no validity in the 21st Century!

They were meant to convey the idea that plywood, when used in any situation where there might be moisture, dampness or excessive humidity, should not fall apart – or ‘delaminate’, as the posh word for that problem, really is.

However, over the years, those three little letters have somehow come to invest plywood with almost magical properties, so that it will do virtually anything if it is called WBP: but nothing could be further from the truth.

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Nandkumar Yasmin
CRUSHER SUPERVISOR
Answer # 3 #

In this article, we will compare the different kinds of construction grade of plywood and understand better the characteristics of the plywood and their applications.

WBP (Water Boil Proof) Plywood

The WBP plywood is whereby the veneer layers are glued using WBP adhesive. The WBP plywood offers a higher quality surface finish, and is also less susceptible to shrinkage and expansion compared to the regular hardwood plywood. WBP plywood should be able to pass the hot water boiling test without delamination and also undergo wet and dry conditions repeatedly without delamination. In actuality, WBP is more of a rating of glue used in the manufacture of the plywood than it is in the wood itself.

In Singapore context, WBP plywood veneer layers are usually of tropical hardwood. The WBP plywood offers a higher quality surface finish, and is also less susceptible to shrinkage and expansion compared to the regular hardwood plywood.

Applications: Outdoor applications such as temporary shelters and covers, general construction works, container flooring etc

Marine Plywood (Complies to British Standard BS1088)

The marine plywood is made using thick and high-grade veneer and the core veneer must be voids free to be classified as marine plywood. Marine plywood is bonded using Type A top grade phenolic bond, making it structurally stronger than the other variants of plywood. The plywood must be able to pass the stringent water boil proof (WBP) test.

As such, marine plywood, is also WBP plywood but is of the best grade of WBP plywood. The marine plywood is considered one of the best variants of plywood in terms of surface finishing, ply count and durability. Costing for marine plywood is high.

Applications: Boat and ship decking building, premium furniture, vehicle body, suitable for extreme outdoor conditions.

Film Faced Plywood

Film faced plywood is exterior plywood used for concrete shuttering and formwork. The plywood is made with quality grade veneers with WBP bond which can withstand the water boil proof test. Both sides of the panel are coated with a smooth laminated film.

The main purpose of having a laminated film is for a better smoother concreate finishing (F3 finishing) and an easier striking after casting.

Film Faced Plywood is also known as phenolic board, tego film plywood, phenolic film faced plywood, formwork plywood. Film is usually black or brown in colour. Good quality film faced plywood can be recycled in formwork applications, the number of times it can be recycled depends on the quality of the film and veneer. Good quality film faced plywood can be reused up to 10 times if applied a layer of form oil before casting. By doing this, it can pro long the lift span of film face plywood.

Applications: Cast in-situ of column, slab, beams, staircase wall, lift-core walls, decking of loading platforms, transport equipment containers.

Falcata Plywood

The Falcata plywood is a lightweight plywood which is ideal for use in applications where weight-reduction is crucial. It is made using wood from the Albasia tree in Indonesia, the Falcata plywood is generally 35% lighter than standard hardwood plywood, which is why it can deliver significant weight savings in lightweight joinery applications in an interior outfit. The Falcata plywood also comes with a lighter appearance as compared to standard hardwood plywood. It has a clean face with very few knots or imperfections.

Applications: Furniture, crates manufacturing, interior joinery applications

Protection Plywood (MR Plywood)

It is also known MR (Moisture Resistance) plywood or structural plywood. Knots are allowed on both surfaces of the plywood. Face is usually of C/D or D/D grade. As the plywood surface does not have a good appearance finishing, the plywood is usually use for temporary protection, site storage or coverage purpose whereby the looks do not matter.

Applications: Protection of flooring or walls, temporary roofing, indoor packaging, temporary site platforms, site shelfing etc.

Hardwood Plywood (BB/CC Plywood)

The hardwood plywood is a manufactured wood panel made from gluing layers of wood veneers, with every layer of wood veneer placed in right angles to the preceding and following layers. The veneer layers are of tropical hardwood giving the plywood heavy duty characteristics.

The surface is of good appearance, top side BB grade and thus can be use for racking or heavy-duty furniture applications.

Applications: Heavy duty furniture, racking, industrial wooden casing.

Birch Plywood

Birch plywood uses birch veneers that are evenly sandwiched together, usually at right angles to the layer above or below, also known a ‘cross bonded’. This results in a product with a void-free core which gives it greater strength and more resistance to shrinkage. Its void free core also means that screws bite and hold with 100% of their threads leading to better screw holding, this makes it a great choice for long-term use. Birch plywood has an elegance to it, thanks to its smooth, pale finish which leaves a beautiful sheen on any product made from it.

Applications: Quality furniture, structural and industrial applications, pattern making.

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Mir Esther
ASSEMBLER BICYCLE I
Answer # 4 #

“WBP” means “weather and boil-proof”. This is a type of plywood where the glue line will not get damaged during periods of wet weather, nor will it have any issues if exposed to regular boiled water.

The glue line on other types of plywood don’t have this benefit, but this is what makes WBP plywood so popular in construction.

As we’ve mentioned, it’s mainly used in construction. The properties of the plywood make WBP plywood the perfect type to be used for outdoor projects or for exterior home improvements.

It’s very common for WBP plywood to be used for outdoor sheathing. Because of its weather resistant properties, construction workers prefer using WBP plywood to other types of plywood that would not be able to stand up to adverse weather conditions.

WBP plywood is not to be confused with Marine plywood. Although they are almost the exact same type of plywood, Marine plywood is superior in the sense that it will not show any knotholes and will never have cracks in the wood. In comparison, WBP plywood may have these imperfections.

Indeed, it can! Because it’s both weather-proof and boil-proof, WBP plywood has the ability to withstand bad weather (such as rain and snow), boiling hot water, and be splashed without an onlooker seeing any difference.

A major benefit of WBP plywood is that it can get wet and be dried multiple times, and the owner will still see the same plywood. There should be no delamination if it is true WBP plywood.

This certainly isn’t true! Both WBP plywood and Marine plywood are available from numerous suppliers across the construction market. Many professionals that work in construction and/or home improvements will likely be offered WBP plywood several times over the course of their career.

The name of the plywood actually refers to the type of adhesive that was used in its making.

There are a few differences between structural plywood and WBP plywood. The most obvious one is the WBP aspect of WBP plywood – that being that it can get wet and withstand boiling water.

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Tomoko Soler
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