For a useful specification, begin with the application. A dry wardrobe, a kitchen cabinet near a sink and a utility-area shutter need different levels of moisture resistance.
MR plywood
MR means Moisture Resistant. MR plywood is commonly considered for dry interior applications such as furniture bodies, wardrobes and general indoor work where direct water exposure is limited.
BWR plywood
BWR means Boiling Water Resistant. It is selected when the project needs more moisture resistance than a typical dry interior application, while exposure remains controlled and construction details protect the board.
BWP plywood
BWP means Boiling Water Proof. It is generally discussed for demanding moisture conditions, including wet-prone kitchen and utility applications. Always confirm the product specification and applicable standard before ordering.
How to choose between the three
| Grade | Think about it for | First question |
|---|---|---|
| MR | Dry furniture and interior work | Will the board remain protected from direct moisture? |
| BWR | Moderate or controlled moisture exposure | Does the design need extra resistance without constant wet exposure? |
| BWP | Higher or repeated moisture exposure | Could the board face water, humidity or wet-area conditions? |
Do not specify grade alone
Include thickness, sheet size, application, finish, quantity and delivery location in the specification. Edges, laminates, sealants, joinery and installation also influence the service life of the finished work.
- Identify the room and moisture exposure.
- Choose the thickness required by the design.
- Ask for the current datasheet and certification details.
- Confirm availability before finalizing quantities.