07.002 weber.therm XB - Complete Rendering …

1 External wall insulation systemfeaturing a real brick slip XB Provides efficient thermal insulationfor refurbishment and new buildprojects Eliminates interstitial condensationby creating a warm wall construction British Standard brick dimensions,designated frost resistant Hard durable surface reducesproblems arising from impactdamage and graffiti Provides designers with greaterscope for creating and harmonisingtheir ideas within architecturallysensitive projects Suitable for, and effective on mostbuildings including lightweightsteel frame structures and in-fillpanels Supported by comprehensivetechnical and architectural services Extends the life of existing buildingsby keeping the old structure warmand stable Facilitates the decoration and re-modelling of existing.

2 Tired facades Simplifies wall construction withinthe new build sectorConstraintsThe quality of application of these materialsdepends on suitable operative skills andproduct on weather conditions duringapplication and curing must be trade practices and printedinstructions must be access and appropriate protectionmust be and benefitsrender (41)August 2013 Uniclass XBis a high performance external wall insulation systemwith an authentic brick this XB external wall insulation systemsInsulation Board ReinforcementFixing 1st Coat2nd CoatFinishEPSN/A Mechanical EXBN/A Brick slip andPIR EXBB rick slip BPMMFLN/A EXBN/A Brick slip BPMT echnical XBTo the best of our knowledge and belief, this information is true andaccurate.

3 But as conditions of use and any labour involved are beyond ourcontrol, the end user must satisfy himself by prior testing that the productis suitable for his specific application, and no responsibility can be accepted,or any warranty given by our Representatives, Agents or are sold subject to our Standard Conditions of Sale and the enduser should ensure that he has consulted our latest literature. render requiredThe following product options can be used in the XBsystem. Details on theirapplication can be found on the relevant page of the weber Render Solutionshandbook, or byrequesting the appropriate Data optionsFix base and other full system beads MFD insulant:Temporarily fix boards using 1 or 2 fixingsper board.

4 Mix and apply LAC toa thickness of 3 mm and immediately lay inthe Weberstandard mesh. Fix the boardsthrough the meshcloth coat with a further 5fixings per m and cover the head of the thefixings with a patch of other insulation types:Fix the insulation as described in the SystemSpecification Sheet or relevant and apply EXBas directed inthe data sheet. Bed the Weberbrick slipsinto the freshly applied EXBusing the spacers to support the brick andprovide the correct gap for up the joints carefully with practiceDo not apply mineral renders.

5 If frost is forecast within 24 hours of use In damp/wet conditions In temperatures below 5 C or above 30 C On elevations in direct sunlight or wherethe substrate is hotApplicationDuring the planning stages of a project,advice should be sought from Webertechnical based on technical expertise togetherwith unrivalled practical experience is freelyavailable and covers:Design:assistance with the selection of theappropriate system, including workingdetails and U-value Documentation:specifications,typical details, method Documentation.

6 Site packages,available through the specialist include approved details, specificationand site support and adviceExisting rendered substratesHammer test and remove all areas of loose, bossed surfaces with weber CL150, a biocidalwash, to remove any traces of good surface using stippleand TUCor build masonry or frame structureEnsure all surfaces are clean, in-plane and ofadequate thickness to provide appropriatesupport and stiffness without deflection oredge Sheet216weber , trims and flashingsFull system beads are available in polyesterpowder coated galvanised mild steel orgrade 304 austenitic stainless steel in 3 mand m and flashings such as overcills andcopings, are available in PPC aluminium m lengths or made to insulation boards are supplied fromthe following range:EPSE xpanded polystyrene slabGrade SD/FRA.

7 CFC/HCFC-freeDensity 15 kg/m3 Size 1220 x 610 mmThickness 30 100 mmMFDM ineral fibre slabGrade CFC/HCFC-freeDensity 160/100 kg/m3 Size 1200 x 600 mmThickness 30 100 mmMFLM ineral fibre lamellaGrade CFC/HCFC-freeDensity 95 kg/m3 Size 1000 x 200 mmThickness 40 100 mmPIRP olyisocyanurate slabGrade BRE Green Guide Rating ADensity 32 kg/m3 Size 1200 x 600 mmThickness 30 100 mmMechanical fixingsA wide range of fixings is available toaccommodate all insulant thicknesses andsubstrate types.

8 Fixings are specified on aproject by project basis and pull-out valuesare established to ensure XBsystem is securely fixedback to the LAC A factory batched mortar for bonding rigidinsulation slabs to existing EXB adhesive EXBis a high polymer-modified,cement based adhesive mortar for bondingMineral Fibre lamella insulation toplywood substrates and also for bondingbrick slips to rigid insulation slipsBrick slips are in accordance with BS3921covering shape and brick slip size 65 x 215 x 15 slips are available in a wide range ofcolours and textures.

9 Refer to WeberExternal Wall Insulation Technical BPM pointing BPMis a factory batchedcoloured, polymer-modified, cement basedmortar for pointing brick slips as used in XBEWI weber LtdDickens House, Enterprise Way, Maulden Road, Flitwick, Bedford MK45 5BY, UKTel: 08703 330 070 Fax: 01525 718988 e-mail: sCustomer Services Department has ateam of experienced advisors available to provideon-site advice both at the specification stage andduring application. Detailed specifications can beprovided for specific projects or more generalworks.

10 Site visits and on-site demonstrations canbe arranged on helplineTel:08703 330 are distributed throughout theUK through selected stockists and contact the relevant Customer ServicesTeam below for all product orders and enquiries. UK and IrelandTel:08703 330 070 Fax:01525 enquiriesTechnical services