illbruckmaking it perfect. Roll Length m 13 5.5 Description TP300 is an open cell polyurethane foam tape, impregnated with a bitumen free acrylic resin, with the main functions of a weather and acoustic seal and backing for sealant joints where the tape will act as a secondary seal. Colour Grey Joint Size Joint Depth* _ _ . Tape Thickness Tape Width (b) 5 - 10 15 15/8 *For use as a joint backer, TP300 needs to be set back into the joint to suit the depth of sealant to be applied. Technical Information Characteristic Standard Value Water Vapour Permeability (sd < 0.5 m value) Acoustic Performance 56 dB Temperature Store in shaded dry Storage conditions with rolls laid flat 12 months when stored as Shelf Life recommended in original unopened packaging Necessary Tools • Tape measure, flat blade, cutting shears Preparation • Ensure the faces of the joint are free from debris, loose material and parallel. Application • After measuring the width of the joint and potential movement, choose the appropriate size of TP300. Cut off the first and last 20 mm of the roll to avoid the wedge shaped sections of tape. Joint Backer Plus Usage / Purpose TP300 is designed as a special joint backing foam, providing a secondary weather seal in a weatherproof joint. It is suitable for use in various joint types (e.g. masonry and light and heavy-weight prefabricated components). TP300 is also available in other dimensions to enhance the acoustic performance of curtain wall fabrications. For these applications please check the specific requirements with your systems supplier. Key Benefits • Weathertight to 300 Pa • Self-adhesive to one face • Vapour permeable • Provides thermal and acoustic insulation • Solvent free

TP300 Joint Backer Plus • Allow an extra 10 mm/m of joint length to allow for potential shrinkage. The tape will expand at a faster rate in higher temperatures and a slower rate at lower temperatures. Weathertightness is not assured until the tape has recovered fully within the joint. Please Note 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...