Everbuild Kos Fire Cement in black, 500g, is a high-quality, ready-mixed fire cement designed for use in high-temperature areas such as fireplaces, flues, solid fuel ovens, and boilers. This fire-resistant cement provides a strong seal against heat and smoke, ensuring durable repairs and installations. Suitable for use on most surfaces exposed to intense heat, the Everbuild Kos Fire Cement sets quickly to form a hard seal that withstands repeated heating cycles. Its smooth consistency makes application easy for both professional and DIY projects within the fire cement category.