STRUCT waterproof sandpaper P400, 400-grit fine grain for wet sanding on painted surfaces and metal. Set of 5 sheets for professional and DIY finishing tasks.
STRUCT Waterproof Sandpaper P400 – Fine Grit Abrasive for Professional Finishing
The STRUCT Waterproof Sandpaper P400 is a fine-grit abrasive sheet designed for wet sanding on painted surfaces and metal. The 400-grit grain delivers a smooth, even finish without scratching the underlying material.
400-grit grain for fine, scratch-free surface finishing
Waterproof construction allows wet sanding for dust-free, clean results
Suitable for painted surfaces and metal — versatile application across workshop and finishing tasks
Set of 5 sheets — sufficient quantity for multiple sanding passes or several workpieces
What makes STRUCT Waterproof Sandpaper P400 stand out
The waterproof backing prevents the paper from swelling or tearing during wet use, maintaining consistent abrasion performance throughout the sanding process. The fine 400-grit grain removes minor imperfections and prepares surfaces for painting or coating without leaving deep scratches.
Ideal for...
Workshop professionals and DIY users working with painted surfaces, metal parts, or prepared substrates that require a fine, smooth finish before the next processing step. Suitable for automotive refinishing, furniture finishing, and general surface preparation tasks.
Application of STRUCT Waterproof Sandpaper P400
Wet the sanding surface and the paper thoroughly before use
Sand in uniform, overlapping strokes with moderate pressure
Rinse the paper periodically to prevent clogging and maintain grit effectiveness
Wipe the surface clean after sanding to remove all residue before applying paint or coating
STRUCT is a Swiss brand specialising in workshop consumables and abrasive products for professional and trade use. The brand focuses on durable, specification-driven supplies including sanding materials, cutting tools, and surface preparation accessories. STRUCT products are distributed through the Brack/Alltron network and are commonly found in Swiss hardware and trade retailers.
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