Painting Through the Heatwave
2026 has already made UK weather history. We’ve seen record-breaking heat in May, June, and now into July, with the Met Office confirming this is the first year on record that temperatures have hit 35°C or higher in three separate months. Large parts of England have been under amber heat health alerts for days at a time, and for anyone running a commercial painting or refurbishment project across Stoke-on-Trent, Staffordshire, or the wider Midlands, that heat isn’t just uncomfortable — it directly affects the quality and lifespan of the work going on site.
Here’s what this summer’s heatwave actually means for commercial painting, and how a well-run contractor adapts to it rather than just pushing through.
Why This Heat Is a Real Problem for Paintwork
Most trade paints are designed to be applied somewhere between 10°C and 25°C. With daytime highs pushing into the low-to-mid 30s across much of the Midlands this summer, and surface temperatures on south-facing walls, cladding, and dark render running significantly hotter than the air temperature, a lot of exterior work this season has been sitting well outside that ideal range.
When paint gets applied in this kind of heat, a few things tend to go wrong:
- The surface skins over too fast. The top of the coat dries before the paint underneath has properly bonded, which weakens adhesion and shortens the life of the finish.
- Brush and roller marks stop blending out. Because the paint is setting almost as it’s applied, lap marks and stroke lines can stay visible in the final finish.
- Dark colours suffer more. Dark cladding and render can reach surface temperatures well above the air temperature in direct sun, making them especially prone to blistering and premature failure.
- Spray application becomes harder to control. Heat speeds up drying in the air between the gun and the surface, increasing overspray and leading to a patchier finish.
It’s Not Just the Heat — It’s the Dryness Too
This year’s heatwaves have also brought long dry spells, with hosepipe bans introduced across parts of southern and eastern England as reservoirs and rivers ran low. For painting contractors, extended dry weather isn’t automatically a bonus. Very low humidity combined with high heat causes the same rapid-drying problems as the heat alone, and dust and debris from parched ground can settle onto wet paint more easily when everything around a site is bone dry.
How We’re Adapting Our Programme This Summer
With 45+ years delivering painting, decorating, and refurbishment work across Stoke-on-Trent, Staffordshire, Manchester, Birmingham, and the wider Midlands, we’ve adjusted the way jobs are run through this year’s heatwaves rather than just working through them regardless:
- Shifting exterior work to the cooler parts of the day — early morning starts to get coats on before surface temperatures peak in the afternoon sun
- Re-sequencing programmes so exposed, south-facing, or dark-coloured elevations are tackled when conditions allow, rather than forcing them through the hottest part of a heatwave
- Choosing appropriate products and, where needed, adjusting application techniques for hot-weather use
- Looking after our teams — hydration, shade, and sensible working hours during amber heat health alerts, in line with UKHSA guidance
- Keeping clients informed if a heatwave means part of the programme needs to move, so there are no surprises on completion dates
None of this is about avoiding work in the heat altogether — plenty of commercial sites, from retail units to warehouses, can’t simply pause for a few weeks. It’s about recognising that a rushed job finished during a 34°C afternoon often costs a client more in the long run than one paced sensibly around the conditions.
Planning Ahead for the Rest of the Season
With forecasters expecting further hot spells before autumn, it’s worth building weather contingency into any commercial painting or refurbishment programme now rather than reacting to it as it happens. If you’ve got exterior work planned — or a project that’s already fallen behind because of this summer’s conditions — it’s better to talk it through with a contractor who plans around the weather rather than in spite of it.
Get in Touch
If you’re planning a commercial painting or refurbishment project this summer and want a contractor who factors in the practical realities of this year’s heat, get in touch with the Wallace Contracts team. We cover projects across Stoke-on-Trent, Staffordshire, and the wider Midlands, North West, and Wales, and for larger projects, nationwide.
