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what we learned from christchurch taking the risk out ... - PlaceMakers

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© Copyright 2011 MiTek Holdings, Inc.All rights reserved.PRODUCT NEWSIncreased bond strengthNew trade mortar ideal for laying re-used bricksJust add water – Trade Mortar TX is strong, smoothand easy to useDricon’s new Trade MortarExtra (TX) is designed for useon recycled bricks, schist andstonework where <strong>the</strong>re is inconsistentsurface quality.Endorsed by <strong>the</strong> industry, TX containsa special additive that gives <strong>the</strong> mix ahigher than normal bond bet<strong>we</strong>en brickand mortar. This stronger bond is essentialwhen recycled bricks are to be used;NZS 4210 states that mortar shall not beless than 200kPa for structural compliancewith NZS 3604 and NZS 4229.Normal mortars generally do not providea high-enough bond. Dricon tests showTX contains a specialadditive that gives <strong>the</strong> mixa higher than normal bondbet<strong>we</strong>en brick and mortarthat <strong>the</strong> need for job-specific engineeringto confirm compliance should not benecessary with TX; ho<strong>we</strong>ver, a free bondtestingservice is available upon request.For fur<strong>the</strong>r peace of mind, <strong>the</strong> requiredstandard 12.5MPa compressive strengthis maintained with TX.Lock in <strong>the</strong> strengthDon’t let accommodating necessary services <strong>we</strong>aken your timber!The LUMBERLOK Top Plate Stiffener(TPS) has been developed to retain<strong>the</strong> structural strength of timberwall frame top plates, which havebeen drilled to accommodate servicesinto <strong>the</strong> wall frame cavity.Originally developed for use with internalvacuum systems in mind, <strong>the</strong> TPS can alsobe used to allow plumbing or o<strong>the</strong>r servicesto be installed where access through timbertop plates is desirable and complies withclause 8.7.5 in NZS 3604:2011.When using <strong>the</strong> TPS in this instance,a maximum hole size of 60mm canbe drilled. The TPS is <strong>the</strong>n fitted to <strong>the</strong>underside of <strong>the</strong> top plate using <strong>the</strong>specific screws included. It must befitted adjacent to a timber stud.The U-shape profile of <strong>the</strong> TPS provides <strong>the</strong>vertical stiffness lost <strong>from</strong> drilling <strong>the</strong> holeand allows both faces of <strong>the</strong> wall frame tobe unobstructed for lining or o<strong>the</strong>r purposes.The TPS is manufactured <strong>from</strong> Z275galvanised material to satisfy B2 durabilityrequirements (enclosed environment).They are packaged eight per carton andavailable at your local <strong>PlaceMakers</strong>.TOP PLATE STIFFENERFor internal vacuum systems ductingReinforces <strong>the</strong> top plate back to FULL STRENGTH!Alternative solution to Figure 8.20 NZS 3604:2011NZ Reg. DesignApp. 408133 © 2006MiTek New Zealand Ltd.The U-shape profile of <strong>the</strong> TPS provides <strong>the</strong> vertical stiffness lost <strong>from</strong> drilling <strong>the</strong> hole and allows both facesof <strong>the</strong> wall frame to be unobstructed for lining or o<strong>the</strong>r purposes08/201124

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