Architectural windows transform a building visually but they also require more thoughtful maintenance. Curved panes, structural glazing and irregular framework can all make cleaning more challenging, especially in busy commercial spaces across London. To keep these windows safe and clear the right methods, tools and planning are essential.
This guide explains how to maintain windows with irregular designs and why professional window cleaning specialists take a more tailored approach when caring for these impressive features.
Why architectural windows need specialised care
Architectural windows add visual impact but their unusual shapes and build quality often mean that everyday cleaning techniques are not enough. Dirt, pollution and weather exposure can settle in corners and recesses that are difficult to reach without professional equipment.
According to the Glass and Glazing Federation, specialist cleaning is strongly recommended for glazing features that include shaped panels, oversized panes or complex structural integration. These windows require careful treatment because incorrect methods can cause streaking, scratching or damage to coatings.
Architectural windows are found in offices, museums, residential towers and retail centres. In all these environments clean glazing contributes to natural light, energy performance and overall appearance.
Common challenges with irregular window designs
Understanding the cleaning challenges helps determine the right maintenance strategy. Typical issues include:
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Unusual shapes that create awkward cleaning angles
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Deep or recessed frames that collect dust and moisture
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Large glazed surfaces that show marks or streaks easily
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Difficult access points in atriums or multi level spaces
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High exposure areas that face pollution or weather extremes
These factors show why specialist window maintenance is valuable for buildings with unique glazing.
Specialist methods used in commercial window cleaning
Different architectural windows require different cleaning methods. Professional window cleaning teams will assess access routes, height restrictions and the glazing specification before choosing the correct approach.
Rope access for high or complex designs
Rope access allows professionally trained technicians to clean windows safely at height. According to IRATA International, rope access is one of the safest ways to work on tall or irregular structures when managed by certified teams. It is particularly effective on curved facades, towers and deep recess features where machinery cannot reach.
Water fed pole cleaning
Water fed poles reach high external windows without mechanical access. These systems use purified water which dries without leaving streaks. The British Window Cleaning Academy notes that pure water techniques are key to maintaining clarity on high specification glass.
This approach works well for architectural windows up to several storeys high.
Specialist hand tools and non abrasive products
Irregular window designs often include coatings or tints that require neutral cleaning agents and soft cloths. According to Pilkington Glass, harsh chemicals can break down protective films or reduce light transmission.
Professional window cleaning teams use microfibre cloths, non abrasive pads and gentle detergents to protect the glass surface.
Maintaining windows with decorative or structural features
Architectural windows are not always one smooth pane. Many include decorative elements or structural details that need their own cleaning considerations.
Deep frames and recessed design features
Frames with shadow gaps or sculptural elements trap dust and cobwebs. Cleaning teams often dust frames before applying water to avoid smearing or dragging debris. Soft brushes and precision tools help keep frames free from build up.
Structural glazing and silicone joints
Some irregular window designs use direct fix glazing with silicone joints instead of traditional frames. Regular checks are important because damaged joints can affect waterproofing. According to Facade Maintenance Engineers, structural glazing should be inspected regularly to maintain performance and prevent leaks.
These checks support both safe cleaning and long term building maintenance.
Architectural window types and specialist considerations
| Window type | Where it is found | Maintenance considerations |
|---|---|---|
| Curved glazing | Atriums and feature facades | Requires precision tools and gentle cleaning |
| Oversized panes | Commercial towers and lobbies | Needs safe access and streak free techniques |
| Structural glass | Museums and offices | Regular inspection of joints and seals |
| Curtain wall systems | Retail and corporate buildings | Works well with rope access or water fed poles |
| Decorative windows | Heritage and cultural spaces | Requires delicate detailing and low impact cleaning |
This overview helps facilities teams understand which solutions best fit their building.
Why regular specialist maintenance is important
Irregular windows often face higher exposure to rain, pollution and bird droppings. Without regular window cleaning their clarity and appearance decline quickly. Routine maintenance protects the building’s presentation and reduces long term costs.
Benefits of scheduled architectural window maintenance
Structured window cleaning supports a range of operational benefits. These include:
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Improved natural light, helping minimise artificial lighting
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Better energy efficiency especially on coated or solar gain glass
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A stronger first impression for building users and visitors
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Lower repair costs through early detection of glazing issues
These advantages demonstrate the value of specialist window maintenance for commercial properties.
How commercial window cleaning teams plan safe access
Planning is essential when maintaining architectural windows. Cleaning teams must understand how to access the glazing safely and what equipment is required.
According to the Institute of Workplace and Facilities Management planning and communication are essential for safe building maintenance. Window cleaning teams typically complete risk assessments, equipment checks and access plans before any work begins.
This planning reduces downtime and ensures compliance with safety regulations.
Linking architectural window care with wider building maintenance
Windows, facades and external finishes all form part of a building’s performance. Keeping architectural windows clean helps prevent staining, mould or deterioration of surrounding surfaces.
Window cleaning teams often notice early signs of water ingress, worn sealant or weather damage during routine cleans. Reporting these issues helps facilities teams protect the wider building envelope.
To understand more about how environmental conditions affect cleaning results see our blog ‘How do weather conditions impact window cleaning results.’
How DOC’s Vertical Division supports specialist window maintenance
DOC Cleaning provides window cleaning and facade care across London buildings with complex architectural glazing. Our teams are trained in rope access, water fed pole systems and precision cleaning techniques suitable for irregular window designs.
We also help facilities managers plan maintenance schedules, access solutions and inspections that protect both safety and presentation. For buildings that require consistent care our planned cleaning programmes support long term glazing performance.
Get in touch
If your building includes architectural or irregular window designs and you need professional window cleaning support, get in touch.
Our specialist teams deliver tailored services that protect your glazing, enhance appearance and maintain safe visual standards year round.