Technical Information dispelling traditions - Formica

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formica_technical.qxd:formica_technical.qxd 28/11/08 16:01 Page 23Fixing and Jointing Composite Boards 1 of 2Composites such as Formica ® Lifeseal Boards, consist ofhigh pressure decorative laminates bonded with adhesivesto core materials and can be manufactured to achieve variousperformance requirements, such as heavy duty, high humidityand defined fire performance. Composites are particularlysuitable for wall cladding and may be used in a varietyof situations.Typical Grounding DetailPreparing the wallIn most cases it will be necessary to fit out the entire wall surfacewith a groundwork of horizontal timber battens. This groundworkshould be of prepared timber with a minimum thickness of 22mmand a maximum distance between centres of 500mm. Thebattens should be erected true and aligned with vertical groundsat internal and external corners. In certain circumstances itmay be preferable to use a framework of metal angles orchannels instead of timber grounds.Panel Attachment Details300mm centres300mm centreJointing and fixingClose butt joints, without cover strips or surrounds, provide a cleanuniform surface. But where joints occur it is good practice to beveleach panel slightly, so that a fine ‘V’ joint is obtained. Alternatively,feature joints may be created by spacing apart the edges of theboards, or by the introduction of an aluminium extrusion orlaminate strip of contrasting colour.For ease of installation and to minimise dimensional movementit is recommended that panel widths should be in order of 600mm.There are many possible fixing methods, the choice of a particularmethod, or combination of methods, is usually dictated by:1. The core material.2. Type of installation.3. Performance requirements.4. Design criteria.Panels may be attached to the prepared grounds by plywoodbuttons or metal clips, by fixing through the joint detail, or bya combination of both. Where plywood buttons/metal clips areused, the grounds will need to be machined to suit prior to fixing.Where the panel thickness permits, the edges may simply begrooved and a loose tongue or spline of hardboard or plywoodinserted to align the panel faces. This method should not be reliedupon as the sole means of supporting the panel.Internal and external corners may be finished either square-edged,or postformed for a softer appearance.Formica Limited, Coast Road, North Shields, Tyne & Wear NE29 8RE. Tel: 0191 259 3000. Fax: 0191 258 2719.Formica is a registered trade mark of Formica Corporation or its subsidiaries.Technical Services Department April 2004.22
formica_technical.qxd:formica_technical.qxd 28/11/08 16:01 Page 24Fixing and Jointing Composite Boards 2 of 2Panels with grooved edges may also be fixed with concealedextruded aluminium sections. This method requires the centresof the panels to be secured with Bostik pads or constructionalneoprene adhesive.For soft cored boards such as calcium silicate, it is recommendedthat the edges are captured by aluminium extrusions.Where aluminium channel is used, the panel edges are rebated andfixed to prepared ground using a temporary spacer to correctlyposition the joints. The aluminium channel is then screwed intothe prepared space and filled with a foam backed laminate insertcut accurately to the internal dimension.Ceiling and skirting details will be dictated by prevailingcircumstances and design considerations; two examplesare shown.23Formica Limited, Coast Road, North Shields, Tyne & Wear NE29 8RE. Tel: 0191 259 3000. Fax: 0191 258 2719.Formica is a registered trade mark of Formica Corporation or its subsidiaries.Technical Services Department April 2004.
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Technical Information dispelling traditions - Formica

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