Insulation

Solid wall insulation is a layer of insulating material found on either the inside or outside of your home. Installing solid wall ...

19th March 2026

External wall insulation is a great way to reduce heat loss and improve the building envelope. Builders generally constructed buil...

20th March 2026

DIY Difficulty Level 5

Insulating a flat roof is a task that should be carried out during the construction phase. Retrofitting flat roof insulation is a ...

20th March 2026

DIY Difficulty Level 5

Passive House is a rigorous, voluntary house-building standard that focuses on energy efficiency and reducing the energy needed to...

20th March 2026

DIY Difficulty Level 5

U-value is the widely preferred unit in the UK that tells specifiers, builders, architects and engineers how good a material is at...

19th March 2026

Cavity walls are the most common walls in homes in the UK and were first built around 1920. So, if your home was built after that,...

25th March 2026

R-value insulation refers to a material's ability to resist the flow of heat. The higher the R-value, the better of an insulating ...

19th March 2026

Cavity closers are an essential part of any cavity wall. A cavity closer's main benefits are to prevent heat from being lost throu...

19th March 2026

Celotex is the market leader in the PIR insulation board industry, having manufactured and supplied PIR boards for over 90 years. ...

19th March 2026

When installing a balcony, insulation is often overlooked or forgotten, despite its importance. When balconies or terraces are ins...

20th March 2026

DIY Difficulty Level 5

Insulating a home can be done in many ways. The first step is to decide which method of insulation suits your home the best. It’...

20th March 2026

DIY Difficulty Level 2

Rendering a wall provides a protective barrier against weather elements such as rain, wind and sunlight, which helps to prevent mo...

20th March 2026

DIY Difficulty Level 3

What is screed? Screed is a mixture of sand and cement used in a wide range of applications within the construction industry. Esse...

28th April 2025

DIY Difficulty Level 4

From 2017 to 2019, several changes to how Celotex PIR boards are classified took place. This was mainly due to the lambda values o...

19th March 2026

Downlight covers are used to cover downlights in ceilings to reduce their effect on the building envelope. When a downlight is ...

19th March 2026

Insulating your loft is one of the most cost-effective things you can do to reduce your heating bills and keep your home feeling w...

20th March 2026

DIY Difficulty Level 2

Loft insulation is essential for keeping your house cool in the summer while toasty through the brisk winter. From natural sheep's...

19th March 2026

It's becoming more and more popular to convert shipping containers for a range of reasons. Whether it's due to the ability to tran...

20th March 2026

DIY Difficulty Level 3

Although most homes will already have the necessary insulation according to building regulations, more and more people are getting...

20th March 2026

DIY Difficulty Level 3

When it comes to thermal insulation, vacuum insulated panels (VIPs) offer one of the best modern solutions. Increasing steadily in...

16th February 2024

All UK homes need a degree of loft insulation to provide efficient heating. Loft roll insulation helps prevent heat loss in the wi...

19th March 2026

DIY Difficulty Level 1

Thermal insulation is the solution to one of our most challenging property problems in the UK - how do we prevent or reduce heat l...

19th March 2026

You can insulate your roof and your walls, but can you insulate between two floors within a house to reduce noise? Putting insulat...

20th March 2026

DIY Difficulty Level 4

Mineral wool is one of the most popular materials used in domestic and industrial insulation applications. Check this out: A...

19th March 2026

In order to be used in a building, insulation products need to pass British Standard tests regarding fire protection. The two main...

19th March 2026