Location: O’Connor, Perth WA

Commercial Window Cleaning in O’Connor — HiFraser Group and Pipeline Actuation & Control

Most of the work we do is residential — homes across Perth’s southern corridor where windows, solar panels, and gutters need regular professional attention. But we also take on commercial jobs, and this one in O’Connor is a good example of what professional window cleaning looks like on a commercial building facade.

The client is HiFraser Group and Pipeline Actuation & Control, located at 13 Bowen Street, O’Connor — an industrial and engineering business operating from a substantial commercial premises in one of Perth’s established light industrial suburbs. The building is a two-storey commercial structure with large format windows running the width of the facade across both levels, set into corrugated metal cladding with the company signage mounted prominently above.

The before and after photos from this job are a clear demonstration of what happens to commercial glass in an industrial environment when it goes without professional cleaning — and what a proper clean restores.

What the Windows Looked Like Before

The two before photos show the same facade window panels prior to our clean. The contamination on this commercial glass is immediately recognisable to anyone who works in or near Perth’s industrial corridor: heavy vertical streaking running down the full height of each pane, with a dense overall haze across the entire surface.

This streaking pattern is characteristic of water-borne mineral contamination on large commercial panes — rainwater or cleaning residue running down the glass carries dissolved minerals and particulates, depositing them in vertical streaks as it evaporates. On large commercial windows, the effect is amplified because the panes are bigger, the runoff has more vertical distance to travel, and the industrial environment adds additional contamination from airborne particulate to the base mineral streaking.

The upper panes in the before photos show a heavy whitish haze across the full surface, partially obscuring the blue sky reflected in the glass. The lower panes, while slightly cleaner in baseline tone, carry the same vertical streak lines and general contamination film. The dark-tinted commercial glass — standard for office-facing commercial buildings to reduce heat gain — is reading as dull and opaque rather than the deep, reflective dark tone it should have when clean.

The company signage is partially visible above the windows in the before shots, but the overall impression of the facade is one of a building that hasn’t been maintained — regardless of what’s happening inside. First impressions matter for any business premises, and dirty commercial windows communicate neglect whether or not that’s an accurate reflection of the business itself.

Why Commercial Glass in O’Connor Accumulates This Contamination

O’Connor sits in Perth’s inner southern industrial belt, and the environment here is distinctly different from the residential suburbs we service further south. Several factors specific to this location drive the contamination profile on commercial glass:

Industrial particulate from surrounding businesses. Bowen Street and the surrounding O’Connor precinct are home to a range of industrial and trade businesses — vehicle workshops, engineering suppliers, fabricators, and service companies. The combination of vehicle movements, metal fabrication particulate, and general industrial activity generates airborne contamination that settles on building facades and glass throughout the working week. This is a heavier and more chemically varied contamination load than the residential bore water mineral deposits and atmospheric dust we typically work with further south.

Vehicle exhaust and road dust from high-traffic routes. O’Connor’s location relative to the Leach Highway and surrounding arterial roads means high volumes of vehicle traffic passing close to commercial premises. Exhaust particulate and road dust from this traffic is a continuous source of contamination on building facades facing the street or car parks.

Lack of eaves or overhang protection. The building facade on this property, like many commercial structures in the area, has minimal architectural overhang above the windows. Without eaves to deflect rainwater, rain runs directly down the facade and across the window glass, carrying the contamination that has accumulated on the cladding above. Each rain event deposits a fresh layer of streaking across the glass — which is exactly what’s visible in the before photos.

Infrequent professional cleaning cycles. Commercial buildings in industrial precincts often have longer intervals between professional window cleans than residential properties, partly because the cleaning responsibility may not have a clear owner in a busy business environment. When cleaning is deferred, the contamination from the industrial environment compounds — and the longer it’s left, the more intensive the clean required to restore the glass.

The Clean: How We Approached a Commercial Facade

Commercial window cleaning at this scale — large-format panes across a two-storey facade — requires a different approach to a standard residential job in terms of equipment and logistics, but the core principles are identical.

Assessment and preparation. Before starting, we assessed the contamination type and severity across all panels. The heavy vertical streaking on the upper panes indicated mineral and particulate runoff rather than purely contact-based contamination, which shaped the pre-treatment approach.

Pre-treatment for streaking and mineral deposits. The dense streaking and mineral haze required pre-treatment with a professional-grade solution to begin breaking down the deposited contamination before the main wash. On commercial glass at this scale, working section by section and allowing appropriate dwell time is the approach that produces consistent results across the full facade rather than patchy outcomes.

Professional wash and squeegee across all panels. Large commercial panes like these are cleaned using a combination of long-handle tools and professional squeegee technique — working top to bottom on each panel to ensure clean, streak-free results across the full surface. The horizontal rail between the upper and lower panes on each window bay is a critical detail point where water management determines whether the result is fully clean or leaves a line across the middle of the window.

Frame and sill cleaning. The aluminium frames and window sills on the commercial facade were cleaned as part of the job. On a commercial building, dirty frames are as visible as dirty glass — particularly against the light-coloured cladding on this property.

Final inspection from multiple angles. Commercial windows are viewed from distance and from multiple angles by clients, staff, and passing traffic. The final inspection accounts for this — checking the glass from the car park perspective as well as close-up to ensure the result reads as clean from all the angles that matter.