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Thin External Wall Insulation

Improve thermal efficiency, lower heating bills, and lift the aesthetic of your building with thin external wall insulation.

  • Effective thermal insulation
  • Breathable and damp resistant
  • Anti-crack flexibility
  • Cost effective solution
thin external wall insulation
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A thin external wall insulation coating

SprayCork is a strong thermal insulation coating and with the benefit of this system being applied at only 4-6mm in thickness, there will be no amendments to windowsills, fascias, soffits, plumbing, electrical fixtures etc.. This reduces the cost of labour down to a minimum when compared to boarded EWI panels which are on average 50mm thick.

SprayCork is ideal for existing rendered substrates, 1980s stone cladding, pebbledash, mismatched and damaged brick work, lowering labour costs. As opposed to painting your external substrate every other year (which is false economy) SprayCork is a pre-coloured system. 

SprayCork will provide a weatherproof and durable finish. While remaining breathable and extremely flexible,

Cork is an incredible natural resource, self-sustainable and carbon-negative material that helps to also save the planet with the fight against carbon.
SprayCork stands the test of time and provides a long lasting, traditional or modern coloured uplift in appearance, that will not crack, chip or peel. For your total peace of mind, SprayCork also comes with a 25-year product guarantee.
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Eliminating the dew point
SprayCork is hydrophobic, meaning it will allow vapour to exit the building but doesn’t allow moisture to enter, terminating all water ingress.
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Lower heating bills
Your SprayCork coating will reduce heat loss from emissions through walls by up to 30%, which can bring significant savings on your energy costs.
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Anti-crack flexibility
SprayCork expands to up to 30% of itself, it is extremely flexible, it cannot and will not crack, unrivalled to all other coatings on the market.
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Acoustic insulation
Your SprayCork roof coating will reduce the loud and unbearable noise rain by up to 38db, creating a more peaceful space.
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Environmentally friendly
SprayCork is highly cost-effective solution when compared to other methods, and provided with a 25 year warranty, it's unmatched.
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Save valuable space
At only 4-6mm thick, SprayCork saves space inside the home or building, and limits distruption to the area. 
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SprayCork is recommended by Kevin McCloud, presenter of TV's Grand Designs and nominated as one of his Green Hero's 3 years in a row.

What Our Customers Say

  • "Highly recommended. So polite and helpful. ALWAYS answers his phone...which is rare these days! Quality of job was amazing. Finished to a tee. Wished all tradesmen were this efficient. keeping number for future use. DO NOT hesitate to use....brilliant. Thanks lads!!!"
    Victoria Ball
  • "Recently had the front of our house rendered, Dan was excellent at explaining all of our options and arrived with samples to help our decision. Both Dan & Brad were polite, respectful and worked hard to get the job done. Very tidy workers. Would have no hesitation in recommending you"
    Nikki Hubbard
  • "A great big thank you to Dan and Brad for our lovely wall. You worked so incredibly hard through adversity. Very professional and meticulous and would whole heartedly recommend you. Hope to see you soon for the downstairs toilet revamp!"
    Heather Embrey
  • "Dan and his team have done an amazing job on the front of our house. Friendly and polite, kept us constantly updated & went above and beyond when a delivery went to the wrong house. Would highly recommend them if you are considering to have work done. Thanks Dan."
    Lindsey Holland
Reduce energy costs and prevent damp penetration with SprayCork thin external wall insulation. 
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Why Choose Us

Tiwi Solutions are an approved applicator of SprayCork and our clients can be assured with absolute peace of mind when appointing us to conduct their projects. 

We have over 16 years of experience in the industry and an excellent reputation for providing outstanding quality and exceptional service at competitive prices. Our team are available to answer any questions you may have or to arrange a site visit, so please get in touch today.
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Thin External Wall Insulation FAQs

What area do you cover?

Tiwi Solutions covers the West Midlands for EWI projects.

What is U-value?

U-value is measured on thickness, SprayCork is a thin but strong coating and has an equal in value to a 37mm insulation board.

How much does it cost?

The only way for us to provide a precise quotation is to complete a site visit and survey. We shall need to take measurements, look at access, inspect the substrate and check conditions.

As a rough guide the m2 rate ranges between £50m2 - £70m2, however all applications are different so, this rough guide make be incorrect.

Do they come pre coloured?

Yes, SprayCork is available in 28 standard colours. To meet all modern or traditional aesthetics alike.

Colour range

SprayCork is available in a wide range of colours. To request samples of any of these colours, please contact our team.
Want to find out more about thin external wall insulation?
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