Sisalwool

Sisalwool Sisalwool natural fibre insulation offers a breakthrough in warmth, soundproofing, and breathability.

Made from natural sisal fibres, this versatile insulation solution transforms spaces, ensuring comfort without compromising the planet.

Insulating older buildings isn’t just about hitting a target U‑value.... it’s about keeping moisture moving safely throu...
30/05/2026

Insulating older buildings isn’t just about hitting a target U‑value.... it’s about keeping moisture moving safely through traditional fabric.

Our new Breathable Retrofit Checklist for Traditional Buildings brings together the key questions to ask before you specify insulation on stone, brick or timber properties.

It walks through:

- Understanding how the building currently handles moisture

- Checking for existing damp or ventilation issues

- Matching the insulation approach to walls, roofs and floors

- Choosing vapour‑open, natural materials that work with the original fabric

You can read the guide online and download a PDF to keep in your project files.

Take a look here:

👉 https://www.sisalwool.com/blogs/installation-guides/breathable-retrofit-checklist-for-traditional-buildings

We're building a podcast studio at the Royal Highland Show and you're invited to use it.This year, we're doing something...
27/05/2026

We're building a podcast studio at the Royal Highland Show and you're invited to use it.

This year, we're doing something a bit unusual at Ingliston.

We're turning a full-sized grain silo into a live podcast and content studio, lined with Sisalwool natural fibre insulation.

It's a working space where exhibitors and creators can record podcasts, film interviews, and create content across the four days of the Show..... completely free!

It's also a brilliant way to show what Sisalwool can do when it comes to acoustic performance. A calm, controlled recording environment in the middle of all the usual Highland Show energy and noise.

Interested in using it? Get in touch now to register your interest and book your slot.

ℹ️ https://www.sisalwool.com/blogs/blog/were-building-a-podcast-studio-at-the-royal-highland-show-and-youre-invited

Below is an artist's impression of the Sisalwool podcast studio. Come and see the real thing in June....

26/05/2026

Are you a London-based Architect or Surveyor?

Are you still relying on conventional insulation materials?

Discover a smarter, more sustainable alternative in our upcoming CPD on natural fibre insulati - ideal for architects, surveyors and specifiers.

This free session at Building Centre covers carbon reduction, breathability, building health, and how to confidently specify Sisalwool across new build, retrofit and heritage projects.

And...in this heat....enjoy some nice aircon!

When: 29th May, 1-2pm
Where: Building Centre, Store Street, London
Cost: Free

Register here:

https://www.sisalwool.com/blogs/blog/free-cpd-event-discover-the-benefits-of-natural-fibre-insulation

Big thanks to HooseLtd for featuring us in their latest ‘Land to Living’ series. 👏Please have a read….
26/05/2026

Big thanks to HooseLtd for featuring us in their latest ‘Land to Living’ series. 👏

Please have a read….

It’s not just cold, damp winters that test older UK homes.....the hot spell we’re in now can make traditional stone and ...
25/05/2026

It’s not just cold, damp winters that test older UK homes.....the hot spell we’re in now can make traditional stone and brick buildings feel airless, stuffy and hard to cool down.

Older properties were built to “breathe”, letting moisture move through the fabric and evaporate naturally. When that breathability is compromised, you can see problems in both seasons: condensation and mould in winter, and uncomfortable overheating in summer.

Our new guide explains how breathable insulation works in older buildings, why vapour‑open, natural materials help regulate moisture and temperature, and where Sisalwool can fit into a year‑round retrofit strategy.

Take a look here:

👉 https://www.sisalwool.com/blogs/blog/breathable-insulation-for-older-buildings-a-quick-guide

Who's choosing natural insulation, and why?As we count down to the Royal Highland Show, we wanted to share a bit more ab...
22/05/2026

Who's choosing natural insulation, and why?

As we count down to the Royal Highland Show, we wanted to share a bit more about the people we work with.

Architects, house builders, self-builders, retrofitters, and merchants are all choosing Sisalwool for different reasons, but they all care about performance, sustainability, and building better.

In our latest article, we break down who benefits from natural insulation and why it works.

We're also excited to be partnering with HooseLtd and bringing their incredible maquette to the Show. It's a full-scale sample build that shows exactly how a high-performance wall is constructed....timber frame, insulation layers, window details, the lot.

If you're heading to the Royal Highland Show, come and see it.

If not, read the full article here:

https://www.sisalwool.com/blogs/blog/sisalwool-benefits-royal-highland-show

Spring has kept us busy 🌱We’ve been on the road across the UK, meeting builders, architects and changemakers who are jus...
19/05/2026

Spring has kept us busy 🌱

We’ve been on the road across the UK, meeting builders, architects and changemakers who are just as passionate about better, more sustainable buildings as we are.

From Stirling to Glasgow to London, it’s been great to see the growing interest in natural fibre insulation and what it can bring to modern construction and retrofit.

One of the highlights? Speaking at Futurebuild and being part of the conversation on how regenerative materials move into the mainstream.

And we’re not done yet…

Next up, we’re heading to the Royal Highland Show where we’ll be transforming a grain silo into a live podcast studio (yes, really 👀)

Read more about what we've been up to....

https://www.sisalwool.com/blogs/blog/spring-on-the-road-connecting-collaborating-and-championing-natural-insulation

15/05/2026

As we count down to the Royal Highland Show, we wanted to share a bit more about Sisalwool and what makes our product different.

✅ Sustainable - Made from natural fibres with a low carbon footprint and fully recyclable at end of life.
Learn more: https://www.sisalwool.com/blogs/blog/sisalwool-the-sustainable-alchemy-of-natural-insulation

✅ Breathable - It allows moisture to move through your walls, helping to prevent condensation and damp while keeping indoor air healthier.
Read more: https://www.sisalwool.com/blogs/blog/breathing-easy-the-health-benefits-of-sisalwool-insulation-for-indoor-air-quality

✅ Non-toxic – No chemicals, no off-gassing, nothing harmful. Just safe, natural insulation.
See our credentials: https://www.sisalwool.com/blogs/blog/why-choose-sisalwool-natural-fibre-insulation

✅ High-performing – It meets (and often exceeds) Building Regulations for thermal performance—and the acoustic benefits are a bonus.
Check the technical details: https://www.sisalwool.com/blogs/product-guides/acoustic-performance

And here's a full case study showing Sisalwool in action: https://www.sisalwool.com/blogs/case-studies/retrofit-installation-using-sisalwool-insulation

What a great first day at Futurebuild Tomorrow, our Founder, John Ferguson, will be on the Futurebuild Buildings and Mat...
12/05/2026

What a great first day at Futurebuild

Tomorrow, our Founder, John Ferguson, will be on the Futurebuild Buildings and Materials Stage with Ele George, Antoinette Yetunde Oni and Chris Brookman

The panel will be talking about how we take bio-based materials into the mainstream The programme is CPD accredited, so you can gain valuable learning while attending!

Register your free pass here: https://invt.io/1lxb6853w7h

Thanks to the Alliance for Sustainable Building Products (ASBP_ for inviting us to present! Check out the full programme here: https://www.futurebuild.co.uk/fringe-programme

Hope to see you there!

Love this case study showing how Sisalwool can make an older home warmer and more comfortable.A big thanks to Ultimate I...
12/05/2026

Love this case study showing how Sisalwool can make an older home warmer and more comfortable.

A big thanks to Ultimate Insulation Supplies for sharing and helping to spread the word about better retrofits.....

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