Red Chalk is a hand-held marking stick used to make visible, temporary marks on masonry, timber, tile, metal and many fabrics; it is primarily used for laying out cut lines, mortar joints, tile runs and sewing/ upholstery patterns where a clear red contrast is required. The product is intended for tradespeople and hobbyists who need a bright, easy-to-see line that can be brushed or wiped away during finishing.

The chalk is formulated from high-purity calcium carbonate with an iron‑oxide pigment to produce the red colour and is pressed into a compact stick form. This dust‑reduced formulation gives a crisp, consistent mark with less airborne powder than loose chalk. There is no thread, head or drive type associated with this product. As a marking material it is not subject to DIN/ISO/BS fastener standards; it is manufactured under standard quality control processes appropriate to hand tools and consumables.

Typical applications include brickwork and blockwork layout, carpentry and joinery marking, tiling and paving alignment, metal workshop scribing where a non-permanent mark is required, and pattern marking in upholstery and tailoring. It is commonly used by masons, plasterers, carpenters, tilers, landscape contractors and upholsterers as a quick visual guide during cutting and assembly operations.

Key benefits of this red chalk are its high visibility on light and mid‑tone surfaces, reduced dust generation compared with powdered chalk, and ease of removal by brushing or light sanding (or washing on many materials). The iron‑oxide pigment provides consistent colouring so marks remain distinct during typical site handling. The compact stick shape is compatible with most standard chalk holders and marking gauges, improving control for straight or curved lines.

Duchy Fasteners holds a stock range of red chalk in single sticks and multi‑pack options suitable for trade use; please contact us for current pack sizes and bulk supply pricing. If you require a different colour or powdered chalk for chalk reels, we can advise the most suitable product for your application.