The 25 × 350 mm MDF Windowboard – 3.66 m is a high-quality interior windowboard designed to provide a clean, durable and decorative finish to window openings. Manufactured from dense, refined MDF, it offers a smooth, consistent surface that is ideal for painting and precise finishing.
With its substantial 25 mm thickness, generous 350 mm depth and long 3.66 m length, this windowboard is well suited to deep reveals, bay windows and larger openings, delivering a robust and professional interior finish.
Key Features
-
High-quality MDF windowboard
-
Thickness: 25 mm
-
Depth: 350 mm
-
Length: 3.66 m
-
Smooth, uniform surface ready for painting
-
Strong, stable and easy to work with
Typical Applications
-
Internal window sills and window reveals
-
Bay windows and deep window openings
-
New-build and refurbishment projects
-
Residential and commercial interiors
Performance & Workability
-
Dense MDF construction for durability and stability
-
Easy to cut, scribe and fix using standard tools
-
Ideal for painting with water-based or solvent-based finishes
-
Intended for internal use only
Technical Specification
Why Choose MDF Windowboard?
The 25 × 350 mm MDF Windowboard – 3.66 m provides a practical, cost-effective solution for achieving a clean, professional window finish. Selected for its consistent quality, smooth surface and ease of installation, it is a popular choice for joiners, builders and interior fit-out projects.