06/09/2026
For the people shaping, supplying and improving our homes: hotter summers mean we need to think differently about building performance.
The Met Office has provisionally recorded summer 2026 as the UK’s hottest on record, with a mean temperature of 16.5°C across June, July and August.
That matters to:
-Policy makers setting housing, energy-efficiency and health priorities.
-Architects, designers and specifiers choosing how buildings perform in every season.
-Builders, retrofit teams and installers turning plans into real homes.
-Builders’ merchants and suppliers helping the industry access the right products and advice.
-Homeowners and housing providers looking for more comfortable, future-ready properties.
Keeping heat in during winter remains essential. But increasingly, we also need to consider how buildings slow unwanted heat entering during summer.
That is the principle behind Decrement Delay.
Our latest blog sets out what the term means, why it should be part of the overheating conversation, and how insulation choices can support more comfortable homes all year round.....
Read more here....
https://www.sisalwool.com/blogs/blog/keep-cool-in-summer-warm-in-winter-decrement-delay-the-sisalwool-difference
Discover how Sisalwool natural fibre insulation improves decrement delay, helping keep homes cooler in summer and warmer in winter than PIR alternatives.