Wall Ties and Restraint Fixings - Masonry First

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Wall Ties and Restraint FixingsTIES FOR CAVITIES OVER 150MMAncon Two-Part TieCavities exceeding 150mm are sometimesrequired. This necessitates longer ties whichcan be difficult to balance and keep horizontalwhen built into the inner leaf. Alternatively, theAncon Two-Part Tie has one section built intothe blockwork; the other section is then fixedas the outer leaf is built. An embedment of75mm is required at each end. The inner tie isusually manufactured in lengths of 170mmwith variation in the cavity width beingaccommodated by the length of the outersection. Where insulation thickness is inexcess of 60mm, the inner section should belonger than the standard 170mm to ensure theconnection between the two parts is made inthe open cavity.Ancon Two-Part Ties sustain loads whichexceed the requirements for a Type 2 tie toPD 6697 for cavities up to 300mm. Type 2performance can be achieved for widercavities providing the fixing centres areadjusted in accordance with the table below.Inner Section170mmas standardTo specify or order this tie simply quote ‘AnconTwo-Part Tie to suit _ _ _mm cavity with aninsulation thickness of _ _ _mm’. The black TJInsulation Retaining Clip is recommended foruse with the inner section.Recommended Fixing Centres forTwo-Part TiesOuter SectionLength to suitapplicationU.K. Patent No.2 265 920Cavity Vertical Horizontal(mm) centres (mm) centres (mm)150-300 450 900301-333 450 750334-367 450 600368-400 450 450Connection tobe made in theopen cavity75mmInsulationDepth75mmAncon TeploTieAncon Teplo2 (Type 2) wall ties are available tosuit cavities up to 300mm. They have athermal conductivity of only 0.7W/mK, areBBA approved and meet the technicalrequirements of the NHBC. These ties aresuitable for use with partial-fill and full-fillcavities.Wall Tie PD 6697 Length Cavity RangeReference Type (mm) (mm)Teplo2 2 200 50-75Teplo2 2 225 76-100Teplo2 2 250 101-125Teplo2 2 275 126-150Teplo2 2 300 151-175Teplo2 2 325 176-200Teplo2 2 350 201-225Teplo2 2 375 226-250Teplo2 2 400 251-275Teplo2 2 425 276-300CavityANCON SLIP-BRICK TIESAncon Slip-Brick Ties arebolted directly to blockwork orconcrete to give both supportand restraint to thin slip brickfacings.In addition to the standardthree brick version, slip brickties can be manufactured inother multiples on request.10
Tel: +44 (0) 114 275 5224 Web: www.ancon.co.ukTIES FOR STEEL STUDWORKAncon 25/14 Restraint SystemThe Ancon 25/14 system is designed to tiebrickwork to steel studding. Self-drilling screwsfix through the channel and the rigid insulationboard, into the steel. Once the channel isinstalled, Ancon SD25 wall ties can bepositioned at any point along its length and arebuilt into the bed joints of the outer leaf ofbrickwork.The spacing of ties is based on the height ofthe building and its geographical location.This system has a performance in excess ofType 3 and the table below should be used inconjunction with the first wind speed map onpage 5.Tie Spacing Based on 25/14 Channel at600mm Horizontal Centres with Basic WindSpeed < 27m/sVertical Tie Spacing(mm) for VariousAltitude and DistanceHeights of Brickworkfrom the Coast 15m 25m 40mAltitude up to 150m and atleast 50km from coast450 225 225Altitude up to 25m and within50km from coast450 300 225Ancon recommends that wall ties achieve aminimum embedment of 62.5mm in the outerleaf of brickwork. Applications with a 50mmopen cavity require 100mm long ties.25/14 channel is available in lengths of2700mm and 3000mm. It features prepunchedholes at close centres to ensure afixing position is always located near the end,even when it is cut on site. It should be fixedto steel studwork at 450mm vertical centres.14mm16mm25mm25/14 Channel ProfileScrews are available to accommodate aninsulation thickness of up to 115mm. Anconrecommends the use of stainless steel fixingscrews.The channel has a 16mm opening toeasily accommodate a drive socket andwasher for the fixing screws.This system has been independently tested atCERAM Building Technology and meets thetechnical requirements of the NHBC.Note: This system is unsuitable for use with flexible orsemi-rigid insulations. Contact Ancon for furtherinformation.Ancon 25/14 Channelwith SD25 Wall TieSelf-Drilling Screw Ref. HTSS-65-2PT HTSS-82-2PT HTSS-115-2PT HTSS-135-2PTMaterial Stainless Steel Stainless Steel Stainless Steel Stainless SteelDiameter (mm) 5.5 5.5 5.5 5.5Length (mm) 65 82 115 135Insulation Thickness (mm) 35-50 50-70 70-95 95-11511
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