Intumescent Pipe Collar - Pipe Size 110mm Timco 487090 Stainless Steel outer casing Tab closing device & welded lugs for quick & easy installation Can be face fixed in a wall or ceiling structure Intumescent material unaffected by water, non-flaking and difficult to tear Suitable for use on concrete, masonry and plasterboard partitions (PPC25 - PPC160 only) Soil, waste and drainage 'above ground' applications 4 hour fire rating in vertical & horizontal applications The Intumescent Pipe Collar is expertly designed for retrofitting to plastic piping or trunking that passes through fire-resistant structures, such as walls or floors. In the event of a fire, the collar's intumescent core rapidly expands to crush the pipe or trunking, effectively sealing off the area and maintaining the fire integrity of the structural element. With a robust stainless steel outer casing and a user-friendly installation process, this product ensures safety and compliance in various applications, including soil, waste, and drainage systems. Trust in TIMCO's commitment to quality and performance with this essential fire protection solution.