MR-grade MDF: the green-core question
MR-grade MDF costs roughly 25% more than standard MDF. Is it worth it? Depends entirely on where you're using it. A short guide to the rooms where MR matters and the ones where it doesn't.
Standard MDF swells and loses structural integrity when it gets wet. Moisture-resistant (MR) MDF uses a different resin binder that holds up to intermittent humidity and the occasional splash. The green tint is just a dye to distinguish it from standard — it has no functional purpose.
Where MR-grade matters:
- Kitchens. Around sinks, dishwashers, and under-bench cabinetry. Not the carcasses themselves — those are fine in standard MDF if they're melamine-faced.
- Bathrooms. Vanity carcasses, mirror-frame panels, and any MDF within 1m of a shower or bath.
- Laundries. Washer/dryer surrounds and any under-bench panel that might see splash.
- Coastal buildings. Anywhere within 30km of the Red Sea or the Arabian Gulf. Salt air and humidity degrade standard MDF faster than inland conditions.
Where MR-grade is overkill:
- Living rooms and bedrooms. Interior conditions with no water source. Standard MDF is fine.
- Wardrobe interiors. Even in a bedroom, the wardrobe interior sees less humidity than the room itself.
- Ceiling bulkheads. Dry conditions regardless of room type.
The honest answer: for a typical Riyadh apartment, only the kitchen and bathroom vanity need MR-grade. The rest can be standard MDF. Specifying MR across the board adds about 8% to the total materials cost for no functional benefit.
We stock CW-MDF-MR18 — 18mm green-core MR MDF, EU mill origin. Cut to size and edge-banded in-house. info@cherrywood.com.sa for a quote.
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