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Water/Moisture Resistant MDF Board: What is It and Its Applications

  • By: Crostapanels
  • FEB 9, 2023

Using MDF boards in kitchens or bathrooms can pose a significant threat of warping due to high moisture levels. To avoid this problem, it is recommended to use moisture-resistant MDF, which has been specifically designed to handle humid environments. Crosta EDXMR is a moisture-resistant MDF and has a wide application in furniture and construction. Let’s explore them.

MDF, also known as medium-density fiberboard, is a widely used engineered wood product for furniture and non-structural building purposes. It is created from waste wood fibers, such as sawdust and shavings, mixed with resin and wax, and compressed and heated to form boards. This process is environmentally friendly, as it repurposes waste wood. However, standard MDF has poor moisture resistance, causing it to swell and deform when exposed to moisture, making it unsuitable for use in damp conditions.

Moisture resistant MDF or EDXMR, on the other hand, is made to withstand moisture and humidity, eliminating the problems associated with regular MDF. This is achieved through the use of moisture-repellent resin during production, making it less susceptible to moisture absorption. Moisture-resistant MDF is identified by its green hue on smaller boards, which has no effect on its production process.

Can Regular MDF be made Moisture Resistant?

It is possible to add moisture resistance to regular MDF by using quality wood sealants, applied over an MDF primer. A few coats of the sealant will be required to achieve the desired results.

EDXMR Applications

Moisture resistant MDF board is used in environments with high humidity levels, much like regular MDF.


This type of MDF is ideal for furniture such as cabinets, shelves, and kitchen countertops in bathrooms and kitchens. MDF is cost-effective and easy to cut, making it a popular choice for furniture. Its dense structure and strength make it suitable for normal furniture use. Using moisture-resistant MDF for these pieces of furniture ensures that they will perform well in humid environments.

Cladding for Kitchens and Bathrooms

MDF is also commonly used for paneling and cladding due to its ability to be shaped and decorated easily. Items such as architectural moldings, window sills, and baseboards can be made from moisture-resistant MDF and used in kitchens and bathrooms.

Is it Possible to Paint Moisture Resistant MDF?

Both regular and moisture-resistant MDF board requires priming before painting to prevent the paint from seeping into the board. After applying a special MDF sealant, the MDF can be painted using oil, acrylic, or latex-based paint, although it is advisable to avoid using water-based paint to minimize the risk of damage. Between coats, it is essential to sand and dust the surface for a smooth finish and an attractive appearance. MDF is typically painted or covered in some way during use.

To buy moisture resistant EXDMR get in touch with Crostapanels today.

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