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32857 Parchem Technical Data Compendium 2015_Crop4emag.pdf

CONTENTS CONCRETE REPAIR CORROSION CONTROL GROUTS & ANCHORS PROTECTIVE COATINGS INDUSTRIAL FLOORING SURFACE TREATMENTS JOINT SEALANTS CONCRETE JOINTING ROOFING WATERSTOPS WATERPROOFING JOINT FILLERS TIMBER FLOORING ALPHABETICAL INDEX 404 Technical Data Crack-A-Joint Sheet Pre-formed metal crack inducing strip Uses Inserted into wet concrete, Crack-A-Joint allows the concrete to crack along the strip as it cures and immediately initiates a contraction joint in the slab. „ Pavements „ Slabs „ Driveways Advantages „ Finish floor same day, no need to return the next day to saw cut „ Visqueen need not to be disturbed, enabling superior curing and saving on time „ Will butt up to any given edge „ Remains rigid during installation „ Can be joined using joining clips „ Capping is UV stabilised and available in four colours „ The steel edge acts as a support for the edge of the concrete and stops unsightly fraying and chipping Description Preformed metal crack inducing strip that is placed into wet concrete and is used in lieu of saw cutting to induce a crack through the concrete slab. Crack-A-Joint can be supplied plain or with a Rip-A-Strip capping that is available in four colours; grey, black, terracotta, sandstone. Supply Crack-A-Joint is available in 3 m lengths and comes in two sizes; 25 mm and 45 mm. Installation 1. Precut Crack-A-Joint or join with clips if necessary. 2. Pop a string line or straight edge along the line of joint. 3. Place Crack-A-Joint flat along the edge then stand it up to 90°. 4. Work Crack-A-Joint into the concrete until the top edge is flush with the concrete. 5. Lightly trowel with hand float, ensuring that all voids are closed, then continue with screed. 6. Remove Rip-A-Strip after the final trowelling, but prior to curing or brooming. Peel back on itself, keeping a low angle for a clean separation between slabs. February 2010


32857 Parchem Technical Data Compendium 2015_Crop4emag.pdf
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