A weather proof door bottom seal, that is used by OEM joiners in situations where maximum weather protection is required. The multi blade seal defies rain infiltration. RP86 is fitted to the square cut bottom of a door, provided there is a gap of 19-20mm prior to installation (flat sill). It is quick and easy to fit to both door and sill. RP86 can be fitted by builders, but primarily designed for volume joinery fabrication. Location Door bottoms of butt hinged timber doors. Min/Max Gap Flat sills to 19mm to 20mm. Rebated sills 14mm to 15mm. Seal Sizes Tops; 820mm, 870mm, 1000mm Threshold plate; 826mm, 1000mm, 1660mm. Standard finish Threshold plate: Aluminium Anodised 25 microns. Satin Clear (silver), Bronze or Gold finish. Top: rigid black, grey PVC fins. Fixing method Zinc plated, cross recess head S.T. screws of appropriate size and colour are supplied. Seal Material Rigid and Flexible P.V.C., U.V stabilised. Replacement Seal RP486. Threshold plate RP86B Approvals Access & Mobility  UK/EU: Conforms to Approved Document M.