Primed MDF Bullnose Window Board – 25 x 225 x 3660mm

£19.40 (Excl. VAT)
£23.28 (Incl. VAT)

Primed MDF windowboard with bullnose edge provides a smooth, professional finish for internal window sills. Ready to paint surface suits contemporary and traditional interiors, offering a low-maintenance alternative to wooden window board options.

14 in stock

Description

Material Specifications

  • High-quality MDF construction for consistent finish
  • Factory-applied primer coat ready for painting
  • Smooth, grain-free surface eliminates preparation work
  • Moisture-resistant core suitable for most interior applications
  • Responsibly sourced materials for sustainability

Profile and Finish Details

  • Bullnose window board design with rounded front edge
  • Softened profile creates a professional, finished appearance
  • Primed MDF windowboard surface accepts paint evenly
  • No knots, splits or natural defects found in timber alternatives
  • Consistent colour and texture throughout each length

Physical Properties

  • Dimensions: 25mm thick x 225mm deep x 3660mm long
  • Weight: Lightweight compared to solid timber alternatives
  • Stable construction resists warping, twisting or splitting
  • Easy to cut to required lengths with standard tools
  • Clean, crisp edges when cut with fine-tooth saw

Installation Features

  • Pre-primed surface saves preparation time
  • Easy to work with hand or power tools
  • Accepts standard fixings and adhesives
  • Can be routered for cable runs if required
  • Cuts cleanly without splintering or tear-out

Technical Specifications

Property Specification
Dimensions 25mm x 225mm x 3660mm
Material Medium Density Fibreboard (MDF)
Profile Bullnose (rounded front edge)
Finish Factory primed, ready to paint
Weight [need to verify]
Moisture Rating Standard MDF – interior use only
Edge Condition Smooth, sealed edges
Core Type Standard density MDF core
Surface Preparation Primed and ready for topcoat
Usage Internal window boards only

Key Features

What’s Included

  • Single length primed MDF bullnose windowboard
  • Factory-applied primer coat on all surfaces
  • Consistent 25mm thickness throughout length
  • Clean-cut square ends ready for installation

Suitable Applications

  • Internal window board installation and replacement
  • Covering existing damaged or worn window sills
  • New build window finishing and trim work
  • Contemporary and traditional interior design projects
  • Commercial and residential applications

Installation Benefits

  • No sanding or priming required before painting
  • Lightweight construction makes handling easier
  • Consistent dimensions ensure professional fit
  • Stable material won’t move after installation
  • Takes screws and fixings without pre-drilling

Finishing Options

  • Paint: Any interior paint system over primer
  • Stain: Not suitable – use timber alternatives for stained finish
  • Laminate: Can be laminated for high-wear applications
  • Veneer: Suitable for wood veneer application if required

FAQs

What is an MDF windowboard used for?

Covering and finishing window sills to create a neat, decorative ledge. Provides a clean internal window board finish.

What is the difference between bullnose and square edge window boards?

Bullnose has a rounded front edge for a softer appearance. Square edge has sharp corners for modern styling.

Can MDF window boards be used in bathrooms?

Only with proper sealing and ventilation. Consider moisture-resistant MDF or timber alternatives for high-humidity areas.

Do MDF window boards come primed or unprimed?

This windowboard comes factory-primed and ready to paint. No additional primer coat needed before topcoat application.

How do I cut an MDF windowboard to size?

Use a fine-tooth saw or circular saw. Support both sides of the cut and sand cut edges before installation.

Ready When You Need It

In stock at our Scunthorpe branch. Order online for collection in under an hour or delivery within 48 hours using our own vans.

Free delivery on orders over £500 + VAT within 45 miles of Scunthorpe.

Need different sizes? We stock multiple depths and can advise on the right windowboard for your project – no delays, no guesswork.

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