Premium moisture-resistant MDF (HMR) is an engineered wood panel manufactured with a moisture-resistant resin binder for improved performance in kitchen, bathroom, and high-humidity interior applications, available at Windsor Plywood. The HMR core swells significantly less than standard MDF when exposed to humidity, making it appropriate for painted kitchen and bathroom cabinetry and trim.
Features
- Moisture-resistant HMR resin binder -- significantly reduced swelling versus standard MDF
- Smooth, consistent face for excellent paint and lacquer adhesion
- Suitable for kitchen and bathroom cabinetry in humid environments
- Available in a range of thicknesses for cabinetry and trim applications
- Better dimensional stability than standard MDF in humid conditions
Specifications
| Typical Sheet Size |
4' x 8' |
| Common Thicknesses |
1/4", 1/2", 5/8", 3/4" |
| Core |
HMR (High Moisture Resistance) MDF |
| Surface |
Smooth, consistent -- ready for paint or lacquer |
| Application |
Kitchen and bathroom cabinetry, interior doors, painted trim |
Common Uses
HMR MDF is used for painted kitchen cabinet doors and drawer fronts, bathroom vanity components, painted interior doors, and trim in kitchens and bathrooms where standard MDF would be at risk from humidity.
Pro Tips
- Even HMR MDF should have all edges sealed before installation in humid environments -- apply a coat of oil-based primer or wood hardener to raw cut edges.
- HMR MDF is heavier than standard MDF -- account for the additional weight when designing cabinet door hardware and hinge specifications.
- For kitchen cabinet doors, apply two coats of primer and two finish coats for a durable, moisture-resistant paint film.
Frequently Asked Questions
What is the difference between standard MDF and HMR MDF?
Standard MDF uses urea-formaldehyde resin binders and swells significantly when exposed to moisture. HMR MDF uses moisture-resistant resin binders that dramatically reduce swelling. HMR MDF is often green in colour as a visual indicator and is recommended for kitchens and bathrooms.
Is HMR MDF fully waterproof?
No. HMR MDF is moisture-resistant, not waterproof. It resists humidity and minor moisture exposure significantly better than standard MDF but will still swell if submerged or exposed to sustained direct water contact.
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