illbruckmaking it perfect. Technical Information Property Density FMVSS 302 BS4735 Wicking Dripping Oxygene Shelf Life Storage Description TN220 incorporates the very best quality open cell fire resistant foam bonded to a unique high performance graphite intumescent material. Achieves class '0' spread of flame as specified in British Building Regulations. It does not flame but slowly degrades and expands to leave an inert self insulating char. It is available to seal gaps from 7 to 150 mm with a fire integrity of up to 2 hours. Product Approvals Tested following the principles of BS 476 Parts 20 and 22 (1987) "Methods of determination of the fire resistance of non loadbearing elements of construction'" Colour Black TN220 is supplied in 1 metre lengths. Result 75 kg/m3 Self extinguishing Char length 4 - 5 mm None None 41 Unlimited when stored as recommended. Store in shaded dry conditions between +5°C and +30°C Installation as a Gap Seal • Compress TN220 between fingers and push into place. • Ensure the foam core recovers and it is flush with the face of the joint. • TN220 can easily be cut using a sharp knife or a fine toothed hacksaw. Installation as a Trunking Seal • Cut TN220 to fit tightly into the width of the trunking. • Lay the first piece below the cables. • Any gaps greater than 6 to 8 mm should be filled with small pieces of TN220. • Further layers of TN220 build up the seal until the trunking height is full. • The final top piece should fit tightly to ensure the whole seal is under slight compression. Please Note Not suitable on substrata bleeding oil, plasticisers or solvents. Health & Safety Precautions Safety data sheet must be read and understood before use. Usage / Purpose TN220 is designed for ease of installation. A cost effective solution for stopping flexible gaps in fire rated building elements in internal applications. It can accommodate any gap from 7 to 150 mm, even irregular joints. Useful in cable trunking because it allows addition or removal of cables without damaging the seal. Key Benefits • Fire rated for up to 2 hours in both horizontal and vertical joints • Easy to install • Very flexible • Usable in joints up to 150 mm wide • Unaffected by water or moisture • Maintenance free • Lightweight

illbruck making it perfect. Technical Information Description Gap Size (mm) Dimensions (height x width) (mm) 12 x 12 mm 29 x 12 mm 32 x 20 mm 53 x 20 mm 64 x 35 mm 85 x 40 mm 90 x 50 mm 126 x 100 mm 147 x 125 mm 170 x 100 mm Technical Service tremco illbruck has a team of experienced Technical Sales Representatives who provide assistance in the selection and specification of products. For more detailed information, service and advice, please call Customer Services on 01942 251400. Guarantee / Warranty tremco illbruck products are manufactured to rigid standards of quality. Any product which has...