Fixing and buying guide
Window Board Primed Moisture Resistant MDF Profile 3.05 Mtr 25mm x 350mm
What this product is and who it's for
This is a moisture resistant MDF windowboard suitable for internal window applications in kitchens, bathrooms, and living areas. It's designed for builders, decorators, and serious DIY customers installing or replacing window boards. The moisture resistant (MR) core makes it more stable than standard MDF in areas prone to condensation or splashing.
- Pre-primed finish ready for painting or staining
- Bullnosed front edge provides a safe, finished appearance
- Rebated back edge designed to sit securely on window frames
- Moisture resistant MDF core resists warping and swelling
Sizing and pack contents
Each board measures 3.05 metres in length, 350mm in width, and 25mm in thickness. This single length is suitable for standard and larger window installations, though you may need to cut it to fit your specific window opening.
- Length: 3.05 metres
- Width: 350mm
- Thickness: 25mm
- Supplied as one continuous board
Compatibility and fixing
The rebated back edge is designed to fit onto standard window frames and sills. Before fixing, ensure your window frame is clean, dry, and level. The board should be fixed using appropriate adhesive and/or mechanical fixings suitable for MDF. Allow the primed surface to be fully accessible for any additional coats of paint or stain after installation.
- Compatible with standard internal window frames
- Rebated back edge provides positive location on the frame
- Can be cut to length using standard woodworking tools
- Ensure window frame is level before fixing
Pre-installation checks
Inspect the board for any damage before installation. Check that your window frame is clean, dry, and level using a spirit level. Measure your window opening carefully and plan any cuts needed. Allow the board to acclimatise to room temperature and humidity for 24 hours before fixing if it has been stored in a cold or very dry environment.
- Check board for damage or defects on delivery
- Ensure window frame is clean and level
- Measure window opening accurately before cutting
- Allow board to acclimatise to room conditions before fixing