A storm proof door bottom seal that is used in situations where maximum weather protection is required. The multi blade seal defies rain infiltration. RP4 can be fitted to the square cut bottom of a door without removing the door, provided there is a gap of 25mm under the door before the seal is installed. It is quick and easy to fit to both door and sill. The sealing section is slotted for adjustment. Location Door bottom and sill of single and double butt hinged doors. Min/Max Gap 23mm/25mm. Seal Sizes Available in stock lengths. Standard Finish Aluminium anodised 15 mocrons. Satin Clear (silver), Bronze and Bright Gold finish. Fixing Method Zinc plated, cross recess head S.T. screws of the appropriate size and colour are supplied. Seal Material PVC (grey). Replacement Seal RP404. Replacement Gaskets RP404A, RP404B and RP423. Approvals Access & Mobility  UK/EU: Conforms to Approved Document M.