Contact us to order: 08448 50 40 50
Contact us to order: 08448 50 40 50


Thermal Shims

The Thermal Shims’ design reduces heat loss through cold bridging, improving the energy efficiency of the building. The shims are manufactured from 3mm thick fibre-reinforced composite, and not only do these aid the efficiency by having a thermal conductivity of less than 0.3W/ but act as an isolator to eliminate bi-metallic corrosion.

Find out how to get accredited 

Arrange professional installation 


Improved Energy Efficiency: By reducing heat loss through cold bridging, the design of these Thermal Shims significantly enhances the overall energy efficiency of buildings. This results in reduced energy consumption and lower utility costs for building owners.

Versatility: While the thermal shims are commonly used for Masonry Support systems, the development of a smaller shim for the 3000 range Frame Cramp extends energy efficiency benefits to a broader range of applications. This versatility allows for consistent energy-saving measures across different construction components.

High-Quality Construction: Manufactured from a 3mm thick fibre-reinforced composite, the shims exhibit exceptional durability and reliability. This ensures long-term effectiveness in reducing heat loss and maintaining energy efficiency throughout the lifespan of the building.

Low Thermal Conductivity: With a thermal conductivity of less than 0.3W/m.K, the shims provide efficient insulation, minimizing thermal bridging and heat transfer. This contributes to maintaining a comfortable indoor environment and reducing reliance on heating and cooling systems.

Corrosion Prevention: In addition to aiding efficiency, the shims act as isolators to eliminate bi-metallic corrosion. This ensures the integrity of building components and prolongs their lifespan, resulting in lower maintenance costs over time.

Overall, these Thermal Shims offer a comprehensive range of benefits, from enhancing energy efficiency and versatility to providing high-quality construction and corrosion prevention. These features make them an indispensable component in sustainable building practices and contribute to creating healthier, more comfortable, and cost-effective indoor environments.

SizePart NumbersDescriptionQuantity
50X150X5mmZZ000040890Thermal and Thermal Break ShimsVarious
155x65x3mmZZ00015955Thermal and Thermal Break ShimsVarious
290x65x3mmZZ00015956Thermal and Thermal Break ShimsVarious
225x50x3mmZZ002001078Thermal and Thermal Break ShimsVarious
245x50x5mm ZZ002001097Thermal and Thermal Break ShimsVarious
320X50X3mmZZ002001098Thermal and Thermal Break ShimsVarious
Size 50X150X5mm
Part Numbers ZZ000040890
Description Thermal and Thermal Break Shims
Quantity Various
Size 155x65x3mm
Part Numbers ZZ00015955
Description Thermal and Thermal Break Shims
Quantity Various
Size 290x65x3mm
Part Numbers ZZ00015956
Description Thermal and Thermal Break Shims
Quantity Various
Size 225x50x3mm
Part Numbers ZZ002001078
Description Thermal and Thermal Break Shims
Quantity Various
Size 245x50x5mm
Part Numbers ZZ002001097
Description Thermal and Thermal Break Shims
Quantity Various
Size 320X50X3mm
Part Numbers ZZ002001098
Description Thermal and Thermal Break Shims
Quantity Various
Contact us to order: 08448 50 40 50

Contact Us


Unit 6 Edgar Ind Estate, Comber Road, Carryduff, Northern Ireland
02890 81 55 66


Unit 3 Invergyle Court, Ibrox Business Park, Glasgow
G51 2JR
0141 465 19 00


Magna 34 Industrial Park, Temple Road, Rotherham
S60 1FG
01709 786 100


Lombard House, 8 Lombard Road, London
SW19 3TZ
020 3576 3910

Grayson London is solely a Technical and Specification location.

Request Information

Grayson (GB) Ltd will only use this data for processing your enquiry and for no other purpose.

Katie Wills

Regional Manager

Meet Katie Wills, our vibrant Regional Manager who finds joy in spending time with her family, keeping fit, and taking part in fun-filled challenges.

With an energetic and outgoing personality, Katie thrives on trying new things, even venturing into coasteering in 2023 with her son.

She’s not afraid to push boundaries, whether climbing mountains (previously done Kilimanjaro) for charity or conquering marathons and skydives. I wonder what challenge is next on the list?

When not on an adventure, Katie cherishes time with loved ones, embodying a sociable spirit that brings warmth to our team. 

Madelaine Pieterse

Regional Manager

Madelaine has always worked in construction so she knows her way around the industry, but she will often get lost in her own town.

Born in South Africa, Madelaine swapped the stunning sunshine in Cape Town for the cloudy charm of Belfast. We’re not sure what made her make this decision, starting a new life in Ireland isn’t for the faint-hearted.

Madelaine is mother to two sons 22 and 25 who she loves to spend her time with, watching them mature into handsome men.

Grayson GB - Jim Martin

Jim Martin

Regional Manager

Our regional manager Jim likes to pretend that he is ‘pure Scottish’ but secretly he’s half English. Now, we ‘dinnae ken’ why he’s proud of his Scottish ancestry, but each to their own!

Despite his Scottish routes, Jim is great at his job, there’s no denying that.

You won’t often see Jim cracking up in the office, but we suppose there isn’t a lot to laugh at up in Scotland so he’s probably out of practice.

Helen Gibson

Regional Manager

Helen spends most of her time playing with her orchestra. She claims that her biggest passion is music, but then again, her instrument of choice is the flute.

Playing her flute isn’t the only music that Helen makes, she is the proud owner of a big laugh that bounces off every corner of the office. More often than not, you will hear her laugh before you see her!

Helen’s a single girl, and enjoys meeting up with friends for nights out at the cinema, eating out and keeping the local Brew Dog in business!! She says she doesn’t drink much…. we know different!

Kevin Jagg

Operations Director

Kevin has been in the construction game for a long time, over 30 years! He worked at Grayson & Co back in 1993 and has unfortunately known Tony throughout this time. Now he’s decided to join the senior leadership after knowing Clare and Chris for 18 years.

At the weekend, Kevin enjoys meeting friends for a beer or 3 and loves to travel all over the world on cruises.

Clare Spivey

Sales & Marketing Director

Although she won’t admit it, Clare has been in the game a long time.

Supplying power tools and fixings was her first job in the construction industry. Due to this she has the ability to spot a tool a mile off.

Clare must have been a magician in a former life as her ability to spin plates is quite something. With a husband who works away, 2 kids with a shed load of activities, her taxi and cheerleading skills are on hand most evenings and weekends.

Clare and her family enjoy escaping to Filey, where they enjoy long walks on the beach and eating fish and chips. Clare loves her holiday home as there is absolutely no phone signal.

Henry Bareham

Specification Director

Henry’s takes great pride in his family, a wife to whom he’s absurdly lucky to have been married to for over 30 years. And two children in their 20’s, who now talk to him having managed their way through the teenage years.

Having left his pretend job of 15 years as a fully-fledged P.G.A qualified Golf Professional, Henry has managed his last 20 years + in construction within manufacturing, technical specification, and sub-contracting.

He spends his time away from work trying to re-kindle the talent he had a long time ago on the golf course, whilst also managing a keen interest in the gym, trying to maintain the muscle to body fat ratio in a good way.

Chris Bentley

Regional Manager

Chris’s claim to fame is working with both Tony and Clare for over 24 years, and still being alive to tell the tale. He’s been working for Grayson since day one!

Outside of the office, Chris has a passion for music and plays in a Brass Band. He’s performed at the Albert Hall, and recently performed at Soccer Aid for Unicef in front of 70,000 supporters at Old Trafford.

If he’s not playing music or working, Chris does also like to watch Barnsley FC which unfortunately, doesn’t put a smile on his face too often.

Tony Higson ​

CEO & Managing Director ​

Having two teenage daughters, Tony enjoys spending much of this time working away.

He also has an old wife and new a Doberman, therefore the only time people value him is in the office or on site.

As a Sheffield Wednesday fan, the poor fella doesn’t get any joy there either.

Tony has been the Managing Director of Grayson for nearly twenty-years. For all of this time he was also moonlighting for ACS. Again, holding down two jobs was the perfect excuse for not going home.  

In a previous life Tony used to play solders, however he has very few war stories due to the fact his job was to the fix equipment real soldiers used.

Tony’s biggest fear is retirement.