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Catnic Building Products
Catnic Plasterer's Bead
Corrosion ProtectionIn normal circumstances, matured plasterwork may be regarded as dry and therefore non-corrosive. Risks of corrosion in galvanised beads only normally become apparent during the initial plaster drying out period, which should be kept to a minimum, and subsequently during periods of heavy condensation. The use of sand or water contaminated with soluble salts in plastering mixes should be avoided as should soluble chlorides as they are likely to increase the risk of metal corrosion. The presence of sea salts in sand used in plastering which is in contact with galvanized beads will often cause rust staining and should therefore be avoided. In external applications and, in conditions where heavy condensation, persistent damp or regular exposure to moisture are likely, stainless steel, PVC-U or PVC-U nosed beads should be specified. In general, care should be taken to ensure that metal beads are kept dry and distortion is prevented during storage and handling. Care should also be taken to prevent mechanical damage to the galvanized coating. Stainless steel beads are for use specifically with cement based renders. Contact our Technical Services Department if considering the use of stainless steel beads with Gypsum plaster. MaterialGalvanised steel to BSEN 10327-DX51D+Z275. Austenitic stainless steel to BSEN 10088-2-1.4301 for external applications. SpecificationAll metal beads comply with the British Standards, Beads for Internal Plastering BSEN 13658-1:2005 and External Rendering BSEN 13658-2:2005. Catnic Expanded Metal Lath & Metal Mesh
Material (Lath)Galvanised steel to BSEN 10327-DX51D+Z275 for internal use. Stainless steel to BSEN 10088-2-1.4301 for external use and conditions of heavy condensation or persistent damp. Specification (Lath)Complies with BSEN 13658-1:2005 for Internal Plastering and BSEN 13658-2:2005 for External Rendering. Material (Mesh)Galvanised steel to BSEN 10327-DX51D+Z275 for internal use. High quality stainless steel to BSEN 10088-2-1.4301 for external use. Catnic Wall Ties
MaterialManufactured from austenitic stainless steel wire for proven corrosion resistance. Catnic Wall Starter Kits
Material (Product Code: SWC)Manufactured from high quality stainless steel, to BS EN1088-2-1.4301, offering superb corrosion resistance, the STRONGHOLD Wall Starter (SWC) is both strong and extremely durable. Material (Product Code: CWC)Manufactured from a galvanised steel substrate, to EN10326, offering good corrosion resistance, the STRONGHOLD Wall Starter (CWC) is further protected with Colorcoat®, Corus' distinguished PVC based paint coating, making it both extremely durable and abrasion resistant. Click here for printable PDF of this page
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Catnic
Tel : 029 2033 7900
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Technical information associated with: Catnic Building Products