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Technical Dayta Sheet Compedium

CONTENTS CONCRETE REPAIR CORROSION CONTROL GROUTS & ANCHORS PROTECTIVE COATINGS INDUSTRIAL FLOORING SURFACE TREATMENTS JOINT SEALANTS CONCRETE JOINTING JOINT FILLERS WATERPROOFING WATERSTOPS ROOFING TIMBER FLOORING ALPHABETICAL INDEX Technical Data Sheet Page 1 September 2007 401 Metal Dowel Covers U shaped metal dowel bar cover for square dowel bars Uses Metal dowel bar cover system used at joints in concrete where there is a need to transfer vertical loads across the joint, metal dowel covers are used in conjunction with square dowel bars. Metal dowel covers allow square dowel bars to move both parallel and perpendicular to the concrete joint as the concrete slab shrinks during curing. Advantages „ Ideal for use with large size square dowels „ Can be substituted for Dowelmaster sleeves at construction joints „ For use with black or galvanised dowels „ Sleeve sizes to suit 16 mm, 20 mm and 25 mm square dowels „ Non standard sizes can be made up on request „ Square dowels available to suit 16 mm, 20 mm, and 25 mm dowel cover „ Metal dowel cover can be supplied on dowel cradles as a special order Description Metal dowel covers are a ”U” shaped galvanised section with a closed cell foam attached on the two vertical faces, the cover is turned upside down and placed down over the top of the square dowel bar. The Metal dowel cover is normally installed just before the second concrete pour. Metal dowel covers are normally used with square dowel bars in situations where slab shrinkage parallel to the joint is expected to be greater than the +/- 5 mm allowed by Dowelmaster sleeves. Estimating All sizes are available in boxs of 100 units per box 16 mm x 200 mm, 16 mm x 250 mm, 16 mm x 300 mm 20 mm x 200 mm, 20 mm x 250 mm, 20 mm x 300 mm 25 mm x 200 mm, 25 mm x 250 mm, 25 mm x 300 mm Dowel Bars A range of dowel bars are available in round or square, black or galvanised. Please contact your nearest Parchem office for details. Application Instructions After the first pour of concrete the formboards are stripped and the square dowel bar is inserted into the concrete, at this stage half of the dowel bar will be inside the concrete leaving the other half of the dowel bar protruding out of the concrete. The metal dowel bar cover is placed over the square dowel bar ready for the second pour of concrete. September 2007


Technical Dayta Sheet Compedium
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