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SOUDAL PU backer rod is a round profile made from open-cell polyurethane foam, mainly used as a backfilling for connection and expansion joints in the construction industry.
Key points
expand_moreSpecification
expand_moreApplication
expand_morePlaced as backfilling in horizontal and vertical connection and expansion joints before applying the joint sealant.
Open open-cell PU backer rod is ideal for joints of varying widths.
Suitable for use with cold-applied sealants such as silicones, polyurethanes, hybrid polymers, acrylic sealants,...
Method:
Before applying the backer rod, the joint must be prepared as prescribed by the sealant manufacturer. Apply PU backer rod compressed in the joint. Use the correct diameter to prevent movement in the joint. Diameter of the backer rod should be up to 50% larger than the joint width. Apply backer rod evenly to the desired depth (see sealant manufacturer's instructions). Do not apply the backer rod with a sharp object. Make sure there are no breaks between the different pieces of backer rod and that they fit properly.
Thickness: 15mm
Soudal Soudatight LQ is a high-quality fibre-reinforced polymer membrane which forms an air and vapour-tight elastic membrane after drying. The product can be quickly and easily applied with a brush in the desired layer thickness on almost any mineral substrate.
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