Maintenance & Cleaning Regime

Maintenance & Cleaning Regime Render Frequency: 6 months Requirements: Use soft brush/sponge & clean water. Inspect: 6 months PPC Metal Spandrel Panels ◊ Frequency: 6 months ◊ Requirements: Clean with detergent & rinse with ◊ potable water. ◊ Inspect: 6 months ◊ ◊ Copper Angled Seam Cladding ◊ Frequency: 6 months Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade Requirements: Rinse with potable water. Inspect: 6 months 03/07/2023 Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023

Maintenance & Cleaning Regime Frequency of cleaning Terracotta Cladding ◊ Cleaning must be carried out to keep the cladding in good repair. ◊ Frequency of cleaning will depend on the environment, occupancy levels, etc. Inspection Generally ◊ As a guide we would suggest the following cleaning regime: ◊ It is recommended that inspection of the Terracotta cladding coincides with the ◊ Areas subject to heavy traffic – every 6-12 weeks general cleaning. ◊ Areas subject to light traffic – yearly. ◊ operations, any cracked or broken tiles should be replaced immediately and the insulation behind. Repairs and Replacements ◊ inspected for damage and repaired. Frequency of Inspection: ◊ The Terracotta panels, if damaged, are not repairable and should be replaced. ◊ Damages to the framework supporting the cladding would be more serious ◊ The frequency of inspections will depend largely on the environment and and we would advise you to immediately contact a specialist cladding installer relative position of the cladding, low-level areas subject to an interface with (please refer to Section 9 of this document). vehicles and the public should be inspected regularly (maybe 6-12 weeks) ◊ Replacement of a terracotta panel can be undertaken as follows: whilst areas at high level may be inspected at less regular intervals. (Maybe ◊ Due to the weight of the cladding materials, three operatives are required to yearly). carry out removal/replacement of a single panel. ◊ In order to remove a single panel, the two panels above need to be lifted Cleaning Instructions upward to give clearance for the operation. ◊ Two of the operatives using their fingers in the joint above the tile to be ◊ Dust can be removed using a soft brush/sponge and if required, clean water. removed should lift the tiles above in an upward direction whilst the remaining More stubborn marks can be removed by scrubbing with a stiff brush and water operative lifts the tile to be removed upwards at the same time. or a pressure washer. ◊ Once, the tile to be removed is clear of the flanges of the bottom clips ◊ On no account should a detergent or any type of acid or abrasive brushes etc. supporting it, the bottom of the tile being removed maybe tilted toward the be used as this could have a detrimental effect on the finished terracotta operative and withdrawn with a downward motion. surface. ◊ Replacement of a tile is a reversal of the operations listed. ◊ If necessary, any repairs to the foil facing of the insulation material can be made good using. Idendum T303 tape. Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023 Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023

Maintenance & Cleaning Regime Frequency of Cleaning P.P.C. Window Surrounds and Channel profiles ◊ Cleaning must be carried out to keep the P.P.C. surrounds/profiles in good repair. Inspection Generally ◊ Frequency of cleaning will depend on the environment, occupancy levels etc. ◊ As a guide we would suggest the following cleaning regime: ◊ It is recommended that inspection of the P.P.C. window surrounds and channel profiles coincide with the general cleaning operations. ◊ Areas subject to heavy traffic – every 6-12 weeks ◊ If any faults are found in the system, please refer to repair/ replacement ◊ Areas subject to light traffic – yearly. paragraph below. Repairs and Replacements Frequency of Inspection ◊ Minor repairs to the surface finish of the Architectural Metalwork may be ◊ The frequency of inspections will depend largely on the environment and undertaken with a brush-applied touch up paint, (RAL 9006), however, relative position of the surrounds/profiles, low level areas subject to an replacement of sections should only be undertaken by skilled operatives interface with vehicles and the public should be inspected regularly (maybe 6- (please refer to section 9 of this document). 12 weeks) whilst areas at high level may be inspected at less regular intervals (maybe yearly). Cleaning Procedure ◊ Although the polyester powder coated surface to the surrounds/profiles is a durable finish, strong or abrasive chemical detergents should not be used. ◊ A mild detergent, diluted with warm water and applied with a soft cloth, rinsed and finally wiped off and the sections gently buffed. Oily or stubborn stains, if not removed by washing, can be wiped with white spirit but care is necessary to avoid affecting the gloss level of the surface by harsh rubbing. ◊ Access to the higher-level surrounds/profiles should be gained via Cherry Picker or Scissor Lift operated by trained personnel only. Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023 Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023

Maintenance & Cleaning Regime GENERAL CLEANING PROCEDURE: Reynobond Cladding ◊ A 5% solution in warm or cold water of a commonly used commercial detergent will not have harmful effect. Inspection Generally ◊ The washing of the panels should start from the top using a cloth or soft bristle brush ◊ It is recommended that inspection of the Reynobond cladding coincides with the general with the diluted detergent solution, this should be followed by a thorough rinse with cleaning operations, any damaged panels should be replaced immediately and the insulation clean water to ensure the removal of all remnants of the cleansing agent. behind inspected for damage and repaired. ◊ A final wipe down by means of a sponge, leather or wiper is necessary to avoid water stains. ◊ Large areas can be cleaned with the aid of special cleaning apparatus such as high-pressure Frequency of Inspection sprays, foam appliances etc.; such operations are generally carried out by specialist contractors. ◊ The frequency of inspections will depend largely on the environment and relative position of ◊ Advice about the removal of non-water-soluble deposits and staining is available on request. the cladding, low level areas subject to an interface with vehicles and the public should be ◊ The above information and recommendations are based on previous experience, however inspected regularly (maybe 6-12 weeks) whilst any areas at high level may be inspected at less since conditions of actual use are beyond our control, any advice is offered without warranty regular intervals (maybe yearly). express or implied. Cleaning Instructions Repairs and Replacements (Cleaning information supplied by Telford Technology Ltd) ◊ Minor repairs to the surface finish of the Reynobond cladding may be undertaken with a CLEANING AND MAINTENANCE OF TELABON STANDARD STOVE LACQUERED SURFACES. brush applied touch up paint, (metallic silver), however the replacement of panels should only ◊ The standard stove lacquered finishes present a relatively non- adherent surface to airborne be undertaken by skilled operatives. (Please refer to section 9 of this document). particles. ◊ The frequency with which cleaning is to be carried out and the choice of a suitable cleansing agent depends upon aesthetic requirements and type of contamination, but it is recommended that it is carried out at least once a year. PRECAUTIONS: ◊(1) Do not use wire brushes, abrasives such as Vim, Ajax, etc., or any cleaning tools that are likely to mechanically abrade the surface coating. ◊(2) Do not use solvents that are likely to attack the lacquer. If in doubt, check by testing on a sample or in an inconspicuous area before using on a larger scale. Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023 Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023

Maintenance & Cleaning Regime Cleaning of Small Areas Powder Coatings ◊ The powder coating can be cleaned by using a solution of mild detergent in warm water. All surfaces should be cleaned using a soft cloth, sponge or a natural ◊ As with any organic coating, in order to retain the aesthetic qualities and the expected long-term bristle brush. durability of the powder coating, it is important that the coating is cleaned regularly. ◊ Abrasive materials should be avoided, as they will damage the coating. If the coating has become heavily soiled it may be difficult to remove this soiling using only a mild detergent. ◊ The frequency of cleaning depends upon the environment in which the coating is in service and in line with the terms outlined in the guarantee. Nevertheless, our standard terms state that the finish ◊ In order to overcome this problem any mild, non-abrasive household cleaner may be used(after must be cleaned, commencing from the date of installation at not less than three monthly intervals, applying to a small test area first). by washing with a mild cleaning solution applied using a soft brush, sponge, or chamois leather. ◊ Cleaners containing esters, ketones or chlorinated hydrocarbons must not be used. Should oil or ◊ If any undue soiling is present, then the coating should be cleaned more frequently. Under no grease deposits exist, strong solvents must not be used to remove them. White spirit has been tested circumstances should the finish be cleaned using abrasive cleaners, solvents, acids or alkali materials, and approved for this purpose. or cutting and abrasive polishes. ◊ Whilst tests show that products of this type may be used successfully in the removal of heavy ◊ It should be noted that one of the conditions of the Guarantee is that the coating is cleaned at the surface deposits, particular care must be exercised in their use to avoid any scuffing of the powder specified frequency and that the building occupier retains proof of cleaning. coating. ◊ Cleaning of the powder coating is an important part of the routine maintenance of any building. ◊ It is for this reason, that we advise that only companies who specialise in this type of work are used ◊ It is recommended that in all cases, such products are reserved for heavy soiling only and should be for large cleaning operations. tested on small areas of the soiled powder coating first to assess their efficiency. ◊ After application, all detergents and cleaners must be thoroughly rinsed away with clean water. Summary: The Render and the Copper facades are susceptible to impact damage. Abseilers must not traverse or touch onto these facades. Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023 Clear Line Ltd – Design, Supply, Refurbishment, Maintenance and Installation of Curtain Walling & Façade 03/07/2023