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Approximate Estimates
Published in DAVIS LANGDON, Spon's Architects' and Builders' Price Book 2008, 2007
Item 2E EXTERNAL WALLS - cont'd Cavity wall; coloured masonry block; outer and inner skins; fair faced both sides Cavity wall; block outer skin; 50 mm insulation; lightweight block inner skin outer block rendered extra for architectural masonry outer block 75 mm thick cavity insulation Reinforced concrete walling In situ reinforced concrete 25.00 N/mm2; 13 kg/m2 reinforcement; formwork both sides 150 mm thick 225 mm thick 300 mm thick Panelled walling Pre-cast concrete panels; including insulation; lining and fixings generally 7.5m x 0.15 thick x storey height standard panels standard panels; exposed aggregate finish brick clad panels reconstructed stone faced panels natural stone faced panels marble or granite faced panels Wall clad dings Non-asbestos profiled cladding "Profile 6"; single skin; natural grey finish "P61 Insulated System"; natural grey finish; metal inner lining panel extra for coloured fibre cement sheeting insulated; with 2.80 m high block inner skin; emulsion insulated; with 2.80 m high block inner skin plasterboard lining on metal tees; emulsion Metal profiled cladding coated steel profiled cladding on steel rails; insulated built up system coated steel micro-rib profiled cladding on steel rails; composite sandwich panel system coated aluminium profiled cladding on steel rails; insulated built up system coated aluminium flat panel cladding on steel rails; insulated built up system Other cladding systems Vitreous enamelled insulated steel sandwich panel system; with insulation board on inner face Formalux sandwich panel system; with coloured lining tray; on steel cladding rails Aluminium over cladding system rain screen High pressure laminate board on a simple metal component framing system Timber rainscreen cladding; carrier frame system; bracketry Terracota rainscreen cladding; aluminium support rails; anti-graffiti coating Curtain/glazed walling Stick curtain walling with double glazed units. aluminium structural framing and spandrel rails. Standard colour powder coated Unitised curtain walling system with double glazed units, aluminium structural framing and spandrel rails. Standard colour powder coated
Polysilazane-based coatings: corrosion protection and anti-graffiti properties†
Published in Surface Engineering, 2019
S. Rossi, F. Deflorian, M. Fedel
The problem related to the protection of structures and building from the graffiti is remarkably increasing. As a consequence, the development of efficient anti-graffiti coatings is a growing challenge [11,12]. These coatings should be able to limit the graffiti problem by reducing the effort needed to clean up the marks. This shall be achieved by employing proper coatings which directly affect the adhesion of the graffiti paints thus making the removal of solvent/detergent easier. At the same time, these anti-graffiti coatings are requested to maintain a high degree of transparency. In this context, several siloxane/silicone-based coatings have been developed [13]. In fact, the coatings based on Si in several cases present a super-hydrophobic behaviour which is of great interest for the applications where anti-fouling, anti-corrosion and self-cleaning properties are needed [14]. For these reasons, PSZ coatings are potential alternatives to the traditional Si-based coatings.