CUSTOM OPTIONS As well as an infinite range of special lintel designs to suit any architectural design or loading requiriment, Supergalv lintels are available in all cavity wall styles adapted to suit special circumstances. Please contact our technical advisory service for details and information on price and availability. Examples of these special service lintels are: NM Where the inner leaf of the cavity wall is fair-faced and the inner flange of the lintel is not plastered, the plaster key on this flange can be omitted. To specify, add 'NM' to the end of the lintel Reference: e.g. CB50NM  ND To minimise the mortar bed thickness at the end bearings, e.g. when using stone heads and surrounds, te weather drip on the front flange of the lintel can be omitted To specify, add 'ND' to the end of the lintel Reference: e.g. CB50ND CP Where the underside of the lintel is completely exposed, e.g. porches, driveways, etc., a closer plate can be welded priorto galvanizing to provide a neat, aesthetically pleasing finish to the soffit of the lintel. To Specify, add 'CP' to the end of the lintel Reference: e.g. CB50CP MF Where the external leaf of a cavity wall is rendered, an additional mesh plaster key can be welded to the front flange prior to galvanizing to facilitate this. To specify, add 'MF' to the end of the lintel Reference: e.g. CB50MF U2K 'Ultragalv 200' maximum corrosion protection with 2000g/m2 (including both sides) Zinc coating. To specify, add 'U2K' to the end of the lintel Reference: e.g. CB50U2K