Introduction

When winter hits, it doesn’t just test your heating system; it tests the integrity of your building envelope.

External windows are one of the most vulnerable and overlooked elements.

Dirt, mineral build-up, sealant fatigue, and frame degradation can lead to costly problems, not just cosmetic ones, but issues that compromise energy efficiency, water resistance, and long-term safety.

The SSH Group recently delivered external window maintenance on a commercial site, addressing build-up before the cold weather sets in and reducing the risk of costly winter damage.

Why Exterior Windows Need Pre-Winter Attention

Throughout the year, windows on commercial and public buildings are exposed to:

• Pollution and traffic residue, especially in urban or roadside locations
• Organic build-up, including moss, algae, and grime that collects in window seals and frames
• UV and thermal wear, which weakens the sealant and cladding over time

By the time winter arrives, small gaps or frame faults can allow draughts, leaks, or condensation to spread internally. If left untreated, these issues affect internal environments and raise compliance risks for public-facing facilities.

What We Delivered

For this recent project, SSH Cleaning carried out a full external window clean and inspection, targeting:

• High-level windows on multiple elevations
• Grime and build-up removal on frames and surrounding ledges
• Surface protection to maintain visibility and prevent streaking
• Reporting of any visible damage is passed to the facilities manager for further action

Works were delivered via MEWP access and scheduled outside of operational hours to avoid disruption on site.

Why It Matters

Pre-winter window maintenance isn’t just a cleaning job; it’s a preventative step that:

• Improves building appearance and presentation
• Protects internal areas from weather ingress
• Helps reduce heating loss through draughts or degraded seals
• Supports wider maintenance planning by flagging early signs of frame or cladding wear

Facilities managers who leave this work until spring often find themselves dealing with costly repairs that could have been prevented with a simple cleaning and inspection.

Conclusion

Whether it’s a school, office, or public building, exterior window maintenance should be part of every site’s winter readiness plan.

The SSH Group delivers planned window cleaning and inspections for commercial sites across the UK, with access equipment, experienced teams, and clear communication from start to finish.