Manufactured from galvanised steel to BS EN 10346:2009 of grade Z275 the external plaster key provides a secure key for a rendered finish.
Suitable for use with Cougar lintels(CG, CH, CX) timber frame lintels(CTF5, CTF7, CTF9, CN23) and External solid wall lintels (CN71 and CN81).
Unless required immediate use on site the product should be stored in a clean dry environment.
External plaster key simply clips into place and is secured using a full length of adhesive bead (supplied by others). The PKS87 Plaster Key MUST be fitted to the lintel before the lintel is installed.
i) Ensure plaster key mounting surface and underside of lintel is clean, dry and free from grease and dirt.
ii) Locate plaster key centrally over lintel.
iii) Apply a 6mm bead of adhesive along the full length of plaster key in accordance with adhesive manufacturers instructions.
iv) Locate the plaster key against the toe of the lintel at the position previously determined and rotate onto lintel, apply downward pressure to ensure full adhesive contact to both surfaces.
v) Pull surfaces apart to allow adhesive to dry for 10-15 minutes.
vi) Reposition the plaster key onto the lintel base (as step iv) applying uniform pressure over the lintel length.
vii) A strong initial bond is achieved whilst full bond strength results in 48-72 hours.