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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 ROOFING WATERSTOPS WATERPROOFING JOINT FILLERS TIMBER FLOORING ALPHABETICAL Index® One Way Vents Moisture relief device consisting of a two-piece polyethylene vent Description The Index One Way Vent is a moisture relief device consisting of a two-piece polyethylene vent. It allows moisture vapour to escape out of the roof deck system without allowing moisture to enter through the vent. Uses Index One Way Vents are most commonly used in re-roofing applications. Blisters caused by internal moisture in “old” roofing systems may be prevented or reduced by using Index One Way Vents. Index One Way Vents allow for continual release of vapour from within the system, while maintaining the watertight integrity from the outside. Installation Spacing Dependant on existing substrate moisture content and Index vent sheet chosen, Index One Way Vents may be installed as per below: Index Perfobase: 1 every 40-100m² Index Rollbase: 1 every 50-100m² Index Vapordiffuser: 1 every 100m² Supply Product Code: 771183 Index One Way Vents: Approx. 90 mm in diameter INDEX 510 Technical Data Sheet April 2013 Page 1 April 2013


Technical Dayta Sheet Compedium
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