Certified ProofTherm installers
Cut Your Heat Loss. Protect Your Walls.
External insulated render applied by specialist installers. Reduce energy bills,
tackle damp and transform your property’s exterior in a single application
★★★★★ Rated 4.8 · Fully insured · Free no obligation survey · Nationwide coverage
Warm in winter, cool in summer
ThermoSilicone RenderSystem draws on the latest advances in the manufacturing of ultra high-performance composite materials to offer an external wall render system with outstanding thermal insulation properties and a high degree of vapour permeability.
Regular render products have two functions; they provide a weatherproof and decorative finish for external walls. ThermoSilicone render provides a decorative, weatherproof finish but it also insulates which means reduced heating costs, a warmer home in winter and a cooler, more comfortable home in summer.
Thermal Resistance: The Key!
Heat loss through the walls of our homes occurs primarily because of poor ‘thermal resistance’. Put simply, un-insulated walls allow heat to travel by conduction from the interior to the exterior without much resistance. The ThermoSilicone Render System uses ultra- lightweight expanded Perlite in its base layer to create an uninterrupted, highly efficient thermal barrier to heat conduction.
This thermally efficient base coat is finished-off with a breathable, silicone mineral top-coat that utilises ceramic microspheres to further disrupt the path of heat transfer. When we increase the thermal resistance of our walls, less heat can travel through them in either direction, so we reduce heat-loss in winter and heat-gain during the summer.
The ThermoSilicone system
ThermoSilicone is not just a top coat. It is a complete insulating render system designed to improve thermal performance while giving the property a durable external finish. The system combines breathable primers, an insulating base coat and a silicone finishing render to create a continuous layer across the wall surface.
Insulation values and performance
R-Value (Thermal Resistance) figures for different application thicknesses of the system. These figures are illustrative and are are provided to show the improvement in thermal performance in the scenario of a single skin masonry wall with, and without, a ThermoSilicone application.
Note: Thermal Resistance is referred to as the R-Value in insulation calculations. The higher the R-Value, the better the insulative properties. U-Values are calculated taking into account the R-Value of each component of the wall make up.
I was very please with the work the company has done. I had damp throughout the house so had damp-proofing including an injection of damp course. Given the extent of the job they completed the work efficiently and with minimum disruption. The workmen were always polite and very helpful. The finished work was excellent. Only time will tell if the damp problem has been sorted but the company made it they would come back to fix any issues. I have no doubt they are true to their word and would recommend them to anyone.
Nathan and Kris were on time, professional and got the job done as quick as possible without missing a spot. Would highly recommend.
Very happy with the work Home Building carried out at my property, very knowledge, competitive and friendly. Thanks for the hard work of your installers too they did a great job! Thanks again
Job well done, new damp course and replastering completed. Paul and Dean were excellent, tidy and kept me updated throughout.
Great work on a damp proof course and other bits and pieces. Arrived on time and knew exactly what to do. Leagues above the other quotes. Hope I don’t need you again but would be happy to recommend.
“The overall improvement is brilliant and the installation team were first class!”
“First class job done by two great tradesmen!”
Lee & Mason did the work on our property and we found them to be very polite, professional and clean ..wouldn’t hesitate to recommend
Spoke to a very polite and friendly chap called Jack on the phone who explained all about the exterior painting they do, and I decided to have a survey. The surveyor Stuart was very knowledgeable, and I’ve decided to go ahead with them. There’s too many cowboys out there, so it’s nice to see such professionalism from a company for once.
Excellent customer service! James did a very thorough survey and identified a small breach in the tanking in the basement (not fitted by them) He was very knowledgeable and did his very best to find an ‘economical’ solution. He was very honest and I was able to conclude that at this point the cost of repair far outweighed the benefits gained. Should the situation change I would definitely use them.
Had a meeting with their surveyor Andrew yesterday 15/02/2022. I have to say he was very professional. Very happy with the quote we have been given and hoping to go ahead with the work early summer. I can’t wait to see the finished product!
“Thanks to Franky, Daniel & Sonny for all their hard work. They have worked beyond expectation”
Good lads, grafted hard and done a good job.
“I am very pleased with the work done from the initial survey to completion of the damp treatment. I would like to particularly commend Josh & Joe as a team they were courteous, efficient & professional in their workmanship”
Really found the team to be honest, upfront and very well trained in how to work in peoples homes. Great work. Regards J.
Really impressed with the guys and all their effort, the building looks like new and the guttering finishes it off nicely. cheers
The Home Building & Surveying Company were excellent in all departments – professional, reliable, well-informed. They resolved multiple residential issues with minimal fuss and would definitely use them again, though fingers crossed I shouldn’t need to!
Great company from initial call to completion. Gave quote with no hidden extras, started and finished on time – the finished product looks great. Kris & Nathan were stars of the show, arrived on time, worked hard all day, polite and personable, cleaned up when finished, a credit to the company.
Booked in quickly and survey was much more in depth then expected. Felt very comfortable in our decision and was a notch above the rest.
I spoke to Jack on the phone, who was very friendly and professional. Then James performed our survey. I found James and the experience with the Home Building & Surveying Company very refreshing, compared to others I have used in the past. They were very honest in their assessment and responses, with no hidden extras, providing very valuable advice. I am, and will in the future recommend them to anyone with damp challenges.
Immaculate, efficient service, it wasn’t a big deal for Luke and his team. Keep up the Good work. Highly recommended.
Excellent work, professional team, left clean and tidy. Very impressed with the work.
Where Your Home Loses Heat
A significant amount of heat can be lost through poorly insulated external walls. According to the Energy Saving Trust, around 33% of all heat lost in an uninsulated home escapes through the walls, which is why improving wall insulation can make such a noticeable difference to comfort and efficiency.
Government figures also show how common the issue still is. At the end of 2024, only around 10% of properties in Great Britain with solid walls had solid wall insulation, meaning the vast majority were still losing heat this way. ThermoSilicone helps address that by creating a continuous insulating layer on the outside of the property, helping reduce heat loss, retain warmth indoors, and protect the external wall surface at the same time.
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