Commercial Plywood Vs Marine Grade Plywood - lceted -lceted LCETED INSTITUTE FOR CIVIL ENGINEERS

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Mar 4, 2022

Commercial Plywood Vs Marine Grade Plywood - lceted

In this article, we explained the differences between commercial plywood and marine plywood, not only in quality and properties but also in cost. This article compares these two types of plywood.




Commercial Plywood

Marine Grade Plywood


Commercial plywood is of MR grade (Moisture resistant) grade. Note that 'moisture resistant is not the same as being 'waterproof'. It only means that the plywood can withstand some amount of moisture, dampness and humidity.

Marine plywood is a completely waterproof Plywood, that has been specifically manufactured for marine applications.

Adhesive used

The adhesive used for bonding the plies together is Urea-formaldehyde.

Unextended phenolic resin is used for bonding the plies together. Unextended means are undiluted. Phenolic resin is a synthetic plastic resin made from phenol-formaldehyde and it makes Marine plywood completely waterproof.


Commercial plywood is most commonly used in the making of home and office furniture, and interior decoration work such as panelling, partitions and the like.

Marine plywood is used for building boats and ships, and any other applications in which the plywood is sure to get a large amount of exposure to water.


It is an Interior grade plywood that is meant for indoor use.

Marine plywood is of Exterior grade and meant for extreme exterior uses. Its also better than the Exterior grade BWR (Boiling Water resistant) plywood that is used for making kitchen furniture.


Cheaper compared to Marine plywood.

It is a lot costlier than Commercial ply.


Its strength is weaker compared to the strength of Marine ply.

It is much stronger than Commercial grade plywood because of the superior wood and glues used in its manufacture.

Codebook used

Indian standard for Commercial ply is detailed in document IS:303

Indian standard for Marine plywood is specified in the document: IS:710




What is the difference between marine ply and commercial ply?

Commercial plywood is of MR grade (moisture-resistant) quality. Note that "moisture-resistant" is not equivalent to "waterproof". It means that it can withstand a certain amount of moisture and humidity. Marine plywood is completely waterproof plywood that is primarily made for marine use.


Which Is Costlier Marine or Commercial Plywood?

In terms of price. Marine plywood is costlier than Commercial plywood. But marine plywood is much stronger than commercial grade plywood because it made of fine wood and plywood


Which plywood is good for kitchen cabinets?

Boiling Waterproof (BWP) Plywood


Also Read: Woodworking Materials Guide for Beginners! | Woodworking Handbook 

Also Read: Types Of Exterior Grade Plywood For Outdoor Applications - Homeslibro


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