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Internal Wall Insulation in Bath & Warminster

Why Homes in Bath & Warminster Struggle with Cold Walls & Black Spot Mould

Many homes across Bath and Warminster have solid walls with little to no insulation. While they look charming, these walls often stay cold in winter, causing warm indoor air to condense on their surfaces.

This leads to:

Damp patches that won’t dry out
Unsightly black spot mould growth
Musty smells and peeling paint or wallpaper
Potential health risks like allergies and asthma

Temporary fixes like anti-mould paint or sprays only cover the problem. Without insulation, the mould always returns.

Thin Wall Insulation for Healthier Warmer Homes

At DSB Plastering & Wall Insulation Bath we specialise in modern thin wall insulation systems that tackle condensation at its source. Unlike bulky boards, our solutions are slim, effective, and designed for minimal disruption.

Iso Therm Thin Wall Insulation – A Proven Solution

Iso Therm creates a warm internal surface that prevents condensation from forming. This:

✅ Stops black spot mould permanently
✅ Makes walls feel warmer to the touch
✅ Reduces heat loss and cuts energy bills
✅ Fits neatly into period homes without shrinking your rooms
✅ Can be skim-finished and decorated like any other wall

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Cork-Based Thin Wall Insulation

For homeowners seeking a natural and breathable solution, we also offer cork thin wall insulation. Applied by hand with a hawk and trowel or by spray gun, this eco-friendly system is:

🌱 Sustainable & Natural – Cork is renewable and environmentally friendly
🏡 Breathable – Allows walls to release moisture while keeping heat inside
🔨 Traditionally Applied – Our skilled plasterers finish it seamlessly for a smooth surface
🧱 Ideal for Older Homes – Especially effective for Bath stone and Warminster’s solid wall properties

Cork insulation provides the same mould protection and thermal comfort as Iso Therm, with the added benefit of being a green alternative.

Extreme Heat Loss

Uninsulated walls allow substantial heat to escape, driving up energy bills and making your home feel perpetually chilly.

Constant Draughts

Cold air can easily penetrate through gaps and cracks in uninsulated walls, creating uncomfortable draughts and cold spots

Condensation

Cold wall surfaces can lead to condensation, fostering dampness, mould growth, and potential damage to walls and window frames.

Reduced Comfort

Even with the heating on, cold walls can make a room feel generally colder, impacting overall comfort.

Common Problems Homeowners Face (and How We Fix Them)

“We keep painting over mould, but it always comes back.”
→ Thin wall insulation solves the root cause: condensation.
“Our bedrooms and living rooms feel freezing.”
→ Insulated walls retain warmth, making every room more comfortable.
“I’m worried mould is affecting my family’s health.”
→ By eliminating mould growth, you protect your household from respiratory problems.
“I don’t want to lose space with bulky insulation.”
→ Our slim systems add only a few millimetres, not inches.

Why Choose Our Insulation Specialists?

Experienced team in Bath and Warminster
Skilled plasterers applying insulation by hawk and trowel for a flawless finish
Solutions tailored to both modern and period properties
Friendly advice, no pushy sales — just honest, effective results

We know the challenges of Georgian homes in Bath and the older stone houses in Warminster. Our solutions are designed with these properties in mind.

Frequently Asked Questions About Thin Wall Insulation

Does thin wall insulation really stop black spot mould?
Yes. By keeping wall surfaces warmer, it prevents condensation, which removes the conditions mould needs to grow.

Will I lose room space with thin wall insulation?
No. Both Iso Therm and cork thin insulation are just a few millimetres thick. You won’t notice any reduction in space.

How long does installation take?
Most rooms can be insulated and finished in just 1–2 days, with minimal disruption.

Is cork insulation suitable for older homes?
Absolutely. Cork thin insulation is breathable, making it especially suitable for solid stone and brick walls found in Bath and Warminster.

Can I decorate over the insulation?
Yes. Once finished, the wall can be painted just like normal.

Request Your Free Insulation Survey in Bath & Warminster

Say goodbye to cold walls, condensation, and black spot mould. With our Iso Therm and cork thin wall insulation systems, you can enjoy a warmer, healthier home all year round.

Book your free survey today and discover how easy it is to transform your property.

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