Profiled metal roof and cladding refurbishment

Commercial cladding refurbishment

Commercial cladding refurbishment.Repair, recoat or reclad.

Survey-led restoration for profiled metal wall and roof cladding—cleaning, repairs, corrosion treatment, protective coatings and colour change without defaulting to full recladding.

Start with evidence

Send photographs, the site postcode and the visible failure.

Request assessment 01254 433987
01Retain serviceable sheets
02Treat the actual defects
03Restore protection + appearance

The commercial case

Full recladding is not always necessary. If the existing sheets remain serviceable, they can be prepared, repaired and recoated. The survey confirms what can stay.

What goes wrong

Inspect the cladding before specifying a coating.

A colour problem, a corrosion problem and a water-ingress problem may look similar from ground level. They do not receive the same scope.

Faded or chalking finishes

UV exposure and weathering leave plastisol and coated steel looking tired, patchy and harder to protect.

Corrosion at cuts and fixings

Sheet edges, fasteners, laps and drilled penetrations can become the first points of coating failure.

Water at joints and interfaces

Failed seals, trims, flashings and gutter junctions can move water behind an otherwise serviceable elevation.

A building that no longer represents the occupier

Colour change and controlled restoration can reset the appearance without automatically committing to full recladding.

Problem → inspection → repair

Repair, prepare, coat or replace?

Ground-level appearance is only the starting signal. Preparation tests and close inspection determine whether the correct route is cleaning, repair, resealing, recoating, local replacement or recladding.

01Fading or chalking

Test the existing finish and adhesion

Clean, prepare and recoat where the substrate remains sound

02Peeling or delamination

Establish why the previous coating lost adhesion

Remove unstable material and rebuild the compatible coating system

03Local corrosion

Map sheet edges, fixings, laps and exposed metal

Treat corrosion, repair locally and protect the retained sheets

04Failed seals

Inspect laps, openings, flashings and transitions

Renew seals and repair interfaces before decorative coating

05Damaged panels

Separate isolated damage from widespread failure

Replace local panels or trims, then blend into the refurbishment scope

06Water ingress

Trace roof, gutter and wall junctions

Repair the actual route; coating alone is not a leak diagnosis

07Brand or colour change

Confirm coating compatibility and operational constraints

Controlled respray in a suitable RAL or BS colour

08Widespread structural failure

Assess sheets, rails, fasteners and supporting structure

Recladding or structural work may be required instead of coating

Scope of works

Roof and wall cladding in one scope.

The roof, walls, gutters, flashings and penetrations meet each other. Refurbishing them as isolated trades is how defects get missed.

01

Cladding condition survey

Map coating breakdown, corrosion, failed seals, damaged sheets and interfaces before choosing a finish.

02

Cleaning and preparation

Specify the preparation standard around the existing coating, contamination and selected refurbishment system.

03

Cut-edge and local corrosion treatment

Arrest treatable deterioration at sheet edges, laps, fixings and local defects before wider coating.

04

Local panel, sheet and trim replacement

Replace isolated failed roof or wall cladding elements where the wider envelope remains suitable to retain.

05

Seal replacement + interface repairs

Renew failed seals at laps, flashings, openings and junctions before the wider coating scope is completed.

06

Protective respraying + colour change

Restore weather protection and transform tired roof or wall cladding using a compatible coating route.

07

Roof and wall junction detailing

Treat parapets, flashings, gutters, penetrations and transitions as part of one building-envelope problem.

How we deliver the work

Preparation and coating specified for the existing cladding.

01

Survey

Inspect sheets, coating adhesion, corrosion, seals, fixings and difficult interfaces.

02

Prepare

Define access, cleaning, repairs, masking and the preparation standard.

03

Restore

Carry out local repairs, corrosion treatment and the specified coating build-up.

04

Protect

Record the completed scope and maintain the envelope through planned inspection.

TopSpray35 in application

Preparation and protective coating for commercial cladding.

TopSpray35 is a two-component aliphatic polyurethane protective topcoat for suitable prepared substrates. It supports UV-stable colour and weather protection; it is not presented here as a standalone waterproofing membrane.

The imagery shows application, access, detailing and completed appearance without presenting unnamed buildings as case studies. Preparation, primer, film build, RAL colour and warranty requirements remain project-specific.

Large-area commercial metal roof coating in progress
Large-area commercial metal roof coating in progress01
Controlled preparation and coating across profiled roof sheets
Controlled preparation and coating across profiled roof sheets02
TopSpray35 airless application to profiled commercial metal cladding
TopSpray35 airless application to profiled commercial metal cladding03
Protective coating applied across a commercial cladding elevation
Protective coating applied across a commercial cladding elevation04
Completed metal cladding finish after protective topcoat application
Completed metal cladding finish after protective topcoat application05
Industrial elevation following cladding refurbishment
Industrial elevation following cladding refurbishment06
Protective polyurethane finish on retained profiled cladding
Protective polyurethane finish on retained profiled cladding07
Airless coating application to a commercial building envelope
Airless coating application to a commercial building envelope08

Chemistry

Two-component aliphatic polyurethane

Application

Airless spray · minimum two coats

Colour

RAL range confirmed at specification

Warranty

Project and complete-system conditions apply

Commercial coverage

Commercial roofing by town.

Find roof surveys, leak repair, refurbishment, cladding and gutter services for your area. Each town page explains the local coverage and the next step for your building.

Planning the work

What to confirm in a cladding refurbishment quote.

Compare quotations against the same elevations, preparation and finish. Confirm these six points in the written proposal so the price and programme reflect the work your building needs.

  1. Elevations and measured scope

    Identify the elevations, panel areas, trims and doors included in the price. Separate colour renewal from repairs to damaged sheets, fixings and seals.

  2. Access and protection

    Agree access equipment, masking and protection for windows, signs, vehicles and adjoining surfaces. Set out deliveries, working hours and how entrances will remain usable.

  3. Cleaning and corrosion repairs

    Confirm how the existing finish will be assessed, cleaned and prepared. Define corrosion treatment and the allowance for local sheet, fixing or seal repairs before coating.

  4. Primer and protective finish

    Ask for the proposed compatible primer and topcoat, colour and application specification. Confirm how adhesion and finish requirements will be checked on the existing substrate.

  5. Programme and recoating

    Discuss elevation-by-elevation access, weather conditions and product curing or recoating intervals. Confirm how temporary restrictions and changes to the programme will be communicated.

  6. Handover and future care

    Agree the final specification, colour and product records, photographs and maintenance guidance. Check the scope and conditions of any proposed warranty before appointment.

Manufacturer product guidance

The manufacturer's guidance for Prokol Rocathaan TopSpray35 describes the protective topcoat and its application requirements. The coating specification still needs to match the prepared cladding and project conditions.

Clear answers

Commercial cladding refurbishment answers

Direct answers for building owners, facilities managers, surveyors and contractors deciding whether to repair, recoat or replace.

Can faded commercial cladding be restored without replacement?
Often, yes. Where the sheets remain serviceable and the existing finish can be prepared to accept a compatible system, cleaning, local repair and protective recoating can restore appearance and weather protection. Adhesion, corrosion and interface condition must be assessed first.
Can plastisol-coated cladding be resprayed?
It can be suitable for respraying, but the existing plastisol condition, chalking, contamination, adhesion and exposed metal determine the preparation and primer route. Unstable or delaminating material cannot simply be coated over.
Do you refurbish roof cladding as well as wall cladding?
Yes. The scope can include profiled roof sheets, wall elevations, flashings, trims, gutters, laps, fixings and roof-to-wall junctions. The different exposure and waterproofing duties mean roof and wall areas may require different preparation or systems.
Can damaged cladding panels and seals be replaced before spraying?
Yes. Local panel, trim and seal replacement can form part of the refurbishment scope where the surrounding envelope remains suitable to retain. Repairs should be completed before the final coating build-up.
When is cladding coating the wrong solution?
Coating is not appropriate where there is unresolved structural movement, widespread perforation, unsafe or failed supporting components, uncontrolled moisture behind the system, or an incompatible substrate that cannot be prepared reliably. In those cases local replacement, recladding or structural work may be necessary.
Can a commercial building remain operational during refurbishment?
Frequently, but access, overspray control, masking, ventilation, deliveries, public interfaces and working hours must be planned around the occupier. The programme is set by the building operation as well as the coating process.
How is a cladding colour change specified?
The existing substrate and coating are assessed first, then preparation, primer and finish are selected as one compatible build-up. RAL or BS colour selection is confirmed during specification rather than assumed before compatibility is known.
How do we start a commercial cladding project?
Send the site postcode, photographs, approximate elevations or roof area, building use and the visible problems. We can then decide what needs to be inspected before preparing a specification and quotation.
How much does commercial cladding refurbishment cost?
Cost depends on elevation area, access, masking, cleaning, existing-coating removal, corrosion and seal repairs, primer, coat build-up, colour and programme constraints. A useful price needs measured areas and a clear preparation scope, not a generic square-metre rate.
How is commercial cladding prepared before spraying?
Preparation can include controlled cleaning, removal of loose or delaminating finish, abrasion where specified, corrosion treatment, local sheet and seal repairs, masking and compatible priming. The standard follows the existing finish and selected coating system.
How long does cladding refurbishment take?
Programme length depends on elevation area, access method, repairs, masking, weather windows, curing or recoating requirements and whether the building remains operational. The work can often be phased by elevation to manage disruption.
Is a cladding coating warranty available?
A warranty route may be available on qualifying projects, but eligibility depends on substrate condition, preparation, complete system build-up, approved application, inspection and project documentation. Warranty length should only be confirmed against the final specification.

Commercial cladding assessment

Send the building details for assessment.