The Yard Builders Merchant

Superglass Superwall 32 Cavity Wall Slab – High-Performance Insulation

Introduction

Improving thermal efficiency is a top priority in modern UK construction, driven by rising energy costs and stricter Building Regulations. One of the most reliable solutions for insulating masonry cavity walls is the Superglass Superwall 32 Cavity Wall Slab. Designed specifically for new-build and refurbishment projects, this high-performance glass mineral wool insulation delivers excellent thermal efficiency, fire safety, and sustainability, making it a trusted choice among UK builders, architects, and specifiers .

What Is Superglass Superwall 32 Cavity Wall Slab?

Superglass Superwall 32 Cavity Wall Slab is a semi-rigid glass mineral wool batt engineered for full-fill and partial-fill masonry cavity wall applications. Manufactured in the UK, the slabs are sized at 455 mm width, allowing them to fit neatly between standard wall tie spacings with minimal cutting or waste. This design improves installation speed and ensures consistent coverage throughout the cavity .

The product is BBA-certified, confirming its suitability and long-term performance in UK construction projects, including domestic and non-domestic buildings up to specified height limits .

Thermal Performance and Energy Efficiency

Thermal efficiency is the defining feature of Superwall 32. It achieves a declared thermal conductivity (λ-value) of 0.032 W/m·K, placing it among the higher-performing mineral wool cavity wall insulations available in the UK market .

This low lambda value enables designers to meet or exceed UK Building Regulations Part L requirements for energy efficiency, helping to reduce heat loss through external walls. When installed correctly, Superglass Superwall 32 contributes to lower space-heating demand, reduced energy bills, and improved EPC ratings for residential and commercial properties.

Fire Safety and Acoustic Benefits

Fire performance is a critical consideration in UK construction, particularly following updates to building safety standards. Superglass Superwall 32 is classified as Euroclass A1 non-combustible, the highest fire reaction rating under BS EN standards. This means it does not contribute to fire growth or smoke development, providing reassurance in cavity wall applications .

In addition to thermal and fire performance, the dense glass mineral wool structure also enhances acoustic insulation, helping to reduce external noise transmission through masonry walls. This is particularly beneficial for urban housing developments, apartments, and mixed-use buildings.

Sustainability and Environmental Credentials

Sustainability plays an increasingly important role in material specification. Superglass Superwall 32 contains up to 84% recycled glass, reducing reliance on virgin raw materials and lowering environmental impact .

The product has achieved an A+ rating in the BRE Green Guide, demonstrating strong environmental performance across its lifecycle. Manufacturing is carried out under ISO 14001-certified environmental management systems, reinforcing Superglass’s commitment to responsible production and sustainable construction practices .

Applications in UK Construction

Superglass Superwall 32 Cavity Wall Slab is suitable for:

· New-build housing developments

· Low-rise and medium-rise residential buildings

· Commercial and public sector buildings

· Full-fill cavity wall constructions up to approved height limits

Its semi-rigid structure ensures the slabs remain securely in place during installation, maintaining continuous insulation and reducing the risk of thermal bridging. This reliability makes it a popular choice among UK contractors seeking consistent on-site performance .

Installation and Compliance

The slabs are designed for straightforward installation by trained professionals. Their friction-fit design helps achieve tight joints, reducing gaps that could compromise thermal performance. When installed in accordance with manufacturer guidance and BBA certification, Superglass Superwall 32 supports compliance with Approved Documents L and B of the UK Building Regulations.

Why Buy from The Yard Builders Merchant

Choosing a reputable supplier is just as important as selecting the right insulation product. The Yard Builders Merchant supplies genuine Superglass Superwall 32 Cavity Wall Slab products tailored to the needs of UK builders and trade professionals.

By sourcing insulation from The Yard Builders Merchant, customers benefit from competitive pricing, reliable product availability, and expert support when selecting insulation materials for cavity wall projects. Our focus is on supplying high-quality, regulation-compliant building materials that meet the demands of modern UK construction while supporting energy-efficient building practices.

Conclusion

The Superglass Superwall 32 Cavity Wall Slab stands out as a high-performance insulation solution for UK masonry cavity walls. With its excellent thermal conductivity, A1 fire rating, strong sustainability credentials, and BBA certification, it meets the technical, regulatory, and environmental expectations of today’s construction industry.

For builders and developers aiming to achieve long-term energy efficiency and compliance, sourcing Superglass Superwall 32 through The Yard Builders Merchant ensures quality, reliability, and expert support at every stage of your project.

Improve Thermal Performance with Superglass Superwall 32 Cavity Wall Insulation

Improve Thermal Performance with Superglass Superwall 32 Cavity Wall Insulation

In today’s construction and renovation landscape, improving thermal performance is no longer optional—it is essential. Rising energy costs, stricter building regulations, and growing environmental awareness have made high-quality insulation a priority for homeowners, developers, and contractors alike. One of the most reliable solutions available is Superglass Superwall 32 Cavity Wall Insulation Batt, a product designed to deliver outstanding thermal efficiency, durability, and sustainability in cavity wall applications.

Why Thermal Performance Matters

Thermal performance directly affects comfort, energy consumption, and long-term building costs. Poorly insulated walls allow heat to escape during colder months and let excessive heat enter during warmer periods. This results in higher heating and cooling bills, inconsistent indoor temperatures, and increased carbon emissions.

Installing high-performance cavity wall insulation helps maintain a stable indoor climate, reduces reliance on heating systems, and contributes to meeting modern energy efficiency standards. This is where Superglass Superwall 32 stands out as a trusted and effective solution.

What Is Superglass Superwall 32 Cavity Wall Insulation Batt?

Superglass Superwall 32 Cavity Wall Insulation Batt is a glass mineral wool insulation product specifically engineered for full-fill and partial-fill cavity wall systems. Manufactured using recycled glass, it combines excellent thermal performance with strong environmental credentials.

With a low thermal conductivity rating (lambda value of 0.032 W/mK), Superwall 32 provides superior heat retention compared to many standard insulation materials. Its semi-rigid structure ensures a snug fit within wall cavities, minimizing gaps and thermal bridging while maintaining long-term performance.

Key Benefits of Superglass Superwall 32

One of the biggest advantages of Superglass Superwall 32 is its exceptional thermal efficiency. By reducing heat loss through external walls, it helps buildings achieve lower U-values and improved overall energy ratings.

Another important benefit is fire safety. Glass mineral wool is non-combustible and typically achieves Euroclass A1 or A2 fire ratings, making it a safer choice for residential and commercial buildings.

The product also excels in acoustic insulation, helping to reduce airborne sound transmission through walls. This makes it ideal for housing developments, apartments, and buildings in noisy urban environments.

Additionally, Superglass Superwall 32 is moisture resistant and breathable, allowing water vapour to pass through while preventing condensation build-up. This supports healthier internal environments and protects the structural integrity of walls.

Sustainability and Environmental Performance

Sustainability is a growing priority across the construction industry. Superglass Superwall 32 is manufactured using a high percentage of recycled glass and is fully recyclable at the end of its life. This reduces landfill waste and supports circular economy principles.

By improving a building’s thermal efficiency, this insulation also lowers carbon emissions associated with heating and cooling. Over time, the environmental benefits can be significant, making it a smart choice for eco-conscious projects.

Comparing with Other Insulation Options

While cavity wall insulation batts are highly effective, they are often used alongside or compared with rigid insulation products such as eco versal pir insulation board. PIR boards are known for their high thermal performance in thinner profiles and are commonly used in floors, roofs, and solid wall applications.

However, for cavity walls, Superglass Superwall 32 offers unique advantages. Its flexibility allows it to fill cavities completely, reducing gaps that can compromise performance. Unlike rigid boards, mineral wool adapts easily to irregular spaces, wall ties, and service penetrations.

In many projects, a combination of insulation types delivers the best results. For example, Superglass Superwall 32 Cavity Wall Insulation Batt can be used in external walls, while eco versal pir insulation board is installed in floors or roofs to create a fully insulated building envelope.

Easy Installation and Long-Term Reliability

Installers value Superglass Superwall 32 for its ease of handling and installation. The batts are lightweight, easy to cut, and designed to friction-fit securely between wall ties. This speeds up installation while reducing the risk of errors on site.

Once installed, the insulation maintains its shape and performance over time. It does not slump or degrade, ensuring consistent thermal efficiency throughout the life of the building.

Ideal Applications

Superglass Superwall 32 is suitable for a wide range of projects, including:

New build residential homes
Apartments and multi-occupancy buildings
Commercial and mixed-use developments
Low-energy and energy-efficient housing projects

Its performance characteristics make it compliant with current UK building regulations and suitable for future-focused construction.

Invest in Comfort, Efficiency, and Value

Choosing the right insulation is an investment in comfort, energy savings, and property value. With rising expectations around energy efficiency, high-quality cavity wall insulation can make a noticeable difference in both performance and running costs.

By selecting Superglass Superwall 32, builders and homeowners benefit from a proven product that balances thermal efficiency, safety, sustainability, and ease of installation.

Why Choose The Yard Builders Merchant

At The Yard Builders Merchant, we are committed to supplying reliable, high-performance building materials that meet the needs of modern construction. We proudly offer Superglass Superwall 32 Cavity Wall Insulation Batt along with a wide range of insulation solutions, including eco versal pir insulation board, to support projects of all sizes.

Our team understands the importance of quality, compliance, and value. Whether you are a contractor, developer, or homeowner, The Yard Builders Merchant is your trusted partner for insulation products that deliver long-term performance and peace of mind.

For expert advice, competitive pricing, and dependable supply, choose The Yard Builders Merchant—building better, warmer, and more efficient spaces together.

Transform Your Walls with Quality Plasterboard Compound Adhesive and Multi Finish Plaster British Gypsum

Getting a perfect interior finish begins with the selection of material. UK homeowners, builders and plastering professionals have confidence in the products like plasterboard compound adhesive and multi finish plaster British Gypsum because of their quality and performance. Such materials are durable, smooth, and produce professional outcomes in every project. They assist in the construction of clean walls with little effort whether in renovation or new building. There is no better place to purchase the best plastering products and professional supplies [The Yard Building Materials] to finish your project effectively, making sure the interior looks and looks beautiful.

Why Should Plasterboard Compound Adhesive be Used?

Plasterboard compound adhesive is a versatile material that is developed to fix plasterboards firmly into the masonry, brickwork or blockwork walls. It makes installations easier, as it needs fewer mechanical fixings and has a high and durable bond. It can be used on a renovation or a new construction project and plasters a flawless and flawless wall surface that could be used to apply professional plaster.

The major advantages are:

1. Quick and simple application, which reduces the time taken to install.

2. Good bond strength with different substrates.

3. Less drilling or screwing required.

4. Extensive stability and durability.

The Yard Building Materials provide superior brands and reliable adhesives to build your walls in such a way that they will be lasting.

The British Gypsum Power of Multi Finish Plaster

British Gypsum Multi finish plaster has been a reputable brand among the UK decorators and plasterers, and she provides smooth and hard finish that can be painted or covered with a wallpaper. It is a plastering finish coating of gypsum to be used on top of plasterboard, undercoat plasters or concrete. The fine consistency of the product contributes to the achievement of a better finish with minimum effort.

The benefits of multi finish plaster are:

1. Flat and smooth surface with little shrinkage.

2. Appropriate in a broad background.

3. Very good working and setting time.

4. Long-term crack-resistance performance.

It is also versatile and is therefore used in small home repairs as well as in large commercial projects. It can be used together with plasterboard compound adhesive to provide a solid and professional finish on a consistent basis.

Conclusion

You might want to refinish the interiors or to make new walls; either way, plasterboard compound adhesive mixed with multi finish plaster British Gypsum is the perfect choice to make in terms of strength, precision, or beauty. Professionals believe in the reliability and convenience of such materials. The Yard Building Materials, the UK supplier of high quality construction materials offers a wide variety of plastering materials and building supplies.

Maximise Home Energy Efficiency with EcoTherm Eco Versal PIR Insulation Board

One of the wisest investments you can make at present is to improve the energy performance of your property. EcoTherm Eco Versal PIR Insulation Board is a high performance and versatile product that is good to use by everyone who intends to save money by minimizing heat loss and saving energy bills without the need of compromising on the comfort. Having been created to provide excellent thermal performance, this board can be used in walls, floors, roofs, and other places that require maintaining the heat.

What is Special about the EcoTherm Eco Versal PIR Insulation Board?

The EcoTherm Eco Versal PIR Insulation Board is produced by using high quality rigid polyisocyanurate (PIR) foam which has low thermal conductivity. This enables homeowners and builders to keep the indoors warm, with a slimmer insulation layer and this leaves room to use the insulated building. The fact that it is multi purpose implies that it can be applied in both domestic and commercial works including loft conversion and under floor insulation.

It has some of its remarkable advantages:

1. Excellent thermal efficiency in the maintenance of year-round temperature.

2. Breath-taking and lightweight during installation.

3. Waterproofing of better building life.

4. Adaptability with other types of construction.

5. Environmentally friendly design which promotes current energy saving objectives.

As the cost of energy increases, the ecotherm eco versal pir insulation board provides an affordable means to enhance the building performance and also at the same time meet the requirements of the stricter environmental standards.

Modern Construction Applications

The eco versal pir insulation board is very versatile and can be used in a variety of insulation requirements whether in a renovation, extension, or even new build. It may be installed either between rafters, under flooring or in cavity walls to improve the thermal envelope of the building. It is also high compressive strength making it applicable in load bearing applications; hence, producing an efficient and long life product.

The flexibility of the insulation solution is the reason why it is famous among contractors and architects as well as DIY homeowners who want quality materials that can provide long-term performance. Through the use of ecotherm eco versal pir insulation board, you will be able to save on energy and enhance the comfort besides lowering the carbon footprint of your property.

Conclusion

The Ecotherm Eco Versal PIR Insulation Board is the ideal product to use in terms of reliability and cost-efficiency in terms of insulation. It is lightweight and has a long life span thus can be used at roofs, walls and floors of whichever property. The board is high-performing, assists in maintaining a consistent indoor temperature, saving on energy bills, and promotes construction that is environmentally friendly. The Ecotherm Eco Versal PIR Insulation Board currently at the Yard Building Materials is a superior selection of insulation.

Knauf Wallboard Plasterboard Tapered Edge – The Ideal Choice for Smooth Wall Finishes

When it comes to achieving a flawless, durable, and professional wall finish, Knauf Wallboard Plasterboard Tapered Edge stands out as a top choice among builders, contractors, and DIY enthusiasts. Manufactured by one of the most trusted brands in the construction industry, Knauf, this plasterboard offers superior quality, easy installation, and long-lasting results.

What is Knauf Wallboard Plasterboard Tapered Edge?

The Knauf Wallboard Plasterboard Tapered Edge is a high-performance gypsum-based board designed for internal wall and ceiling linings. The tapered edges make it perfect for jointing and skimming, ensuring a smooth and seamless surface once finished. Whether used for partition walls, ceilings, or drylining projects, this board guarantees professional-grade results every time.

Key Features and Benefits

Smooth Finish: The tapered edges allow for easy taping and jointing, creating a seamless wall surface.
Versatile Application: Ideal for walls, ceilings, and partitions in both residential and commercial settings.
Durable and Strong: Built to withstand daily wear and tear while maintaining excellent dimensional stability.
Fire-Resistant: Made from high-quality gypsum that provides natural fire protection.
Easy to Cut and Install: Lightweight yet sturdy, making it convenient for quick installations.

Knauf Standard Wallboard – A Reliable Alternative

For general-purpose applications, Knauf Standard Wallboard is another excellent option. It offers the same Knauf quality and reliability, providing effective lining for walls and ceilings where moisture resistance or special performance isn’t required. It’s perfect for cost-effective projects that still demand professional results.

Why Choose Knauf Wallboard Plasterboard from The Yard Builders Merchant

At The Yard Builders Merchant, we supply a wide range of Knauf plasterboards, including Knauf Wallboard Plasterboard Tapered Edge and Knauf Standard Wallboard. Our products are sourced directly from trusted manufacturers to ensure top-notch quality and consistency. With fast delivery and competitive prices, we’re your go-to destination for all building and insulation materials.

Conclusion

Whether you’re renovating a home or working on a large construction project, choosing Knauf Wallboard Plasterboard Tapered Edge ensures smooth finishes, easy installation, and reliable performance. Backed by Knauf’s trusted reputation, it’s the perfect solution for creating durable, professional-quality interiors.

Smart Choice to insulate with great energy efficiency

As far as modern construction is concerned, the selection of an appropriate insulation plays a vital role in obtaining energy efficiency, minimizing heating, and prolonging functionality. EcoTherm Eco Versal PIR Insulation Board is among the most promising and efficient solutions on the market today. Precisely designed and constructed to last, this is a thermally efficient insulation board that is preferred in residential, commercial, and industrial applications. The Yard Building Materials offers quality solutions to all the needs of homeowners, builders, and contractors who require EcoTherm Eco Versal insulation in the UK.

Why EcoTherm Eco Versal PIR Insulation Board?

The EcoTherm Eco Versal PIR Insulation Board consists of a rigid polyisocyanurate (PIR) insulation core, which has great thermal properties. Compared to the conventional insulation material, PIR boards are more energy-saving and require less thickness, thus making them a viable solution for buildings in modern times.

Some key benefits include:

1. Superior Thermal Performance - Superior thermal resistance resulting in superior heat retention and lower energy bills.

2. Lightweight and Easy to Assemble - The boards are easy to cut and work with, saving on time and labor expenses.

3. Multi-purpose Use - The EcoTherm Eco Versal PIR Insulation Board can be utilized in a variety of construction projects, as it can be used on floors, walls, roofs, and ceilings.

4. Tough and Economical- waterproof and durable so that it can last the years.

EcoTherm Eco Versal PIR Insulation Board uses

The versatility of the EcoTherm Eco Versal PIR Insulation Board is also one of its best features. It can be used in:

1. Roofs - flat and pitched roofs have the advantage of their good insulation.

2. Walls – Internal and external wall applications are more energy efficient.

3. Floors - Best suited to ground floor and suspended floor insulation to keep warm.

4. Ceilings - Another insulating layer to create greater indoor comfort.

It is understandable that with this kind of flexibility, EcoTherm Eco Versal insulation in UK is widely adopted by the majority of builders and property owners who are seeking to comply with strict building standards.

EcoTherm Eco Versal Insulation in the UK - Achieving Sustainability

Nowadays, sustainability is a primary priority in the construction industry. Not only does the EcoTherm Eco Versal PIR Insulation Board offer higher performance, but it also helps in green building practices. Its energy efficiency, alongside adherence to UK building standards, is important in developing more environmentally-friendly, efficient buildings and homes.

More and more builders and homeowners nationwide are now choosing EcoTherm Eco Versal insulation in the UK to achieve and exceed government energy-efficiency standards and, in the long term, to insulate their homes against increasing energy charges.

Conclusion

The EcoTherm Eco Versal PIR Insulation Board is not just another insulation product, it is an investment in energy conservation, comfort, and sustainability. This all-round insulation board will guarantee both long-term performance and cost savings, whether you are working on a new structure or on a renovation project. When it comes to high-quality EcoTherm Eco Versal insulation in the UK, The Yard Building Materials is your reliable partner, as it provides you with high-quality solutions to all your building requirements.

Ecotherm Eco-Versal PIR Board – The Smart Choice for Energy Efficiency

When it comes to modern construction and renovation, high-quality insulation is one of the most effective ways to improve energy efficiency, reduce heating costs, and create a comfortable living environment. At The Yard Builders Merchant, we supply the Ecotherm Eco-Versal PIR Insulation Board, a versatile solution trusted by builders, contractors, and homeowners across the UK.

What is Ecotherm Eco-Versal PIR Insulation Board?

Ecotherm Eco-Versal is a premium polyisocyanurate (PIR) insulation board designed for multiple applications in both residential and commercial projects. Known for its high thermal performance, it helps meet modern building regulations while also reducing overall energy consumption.

With its aluminium foil facing on both sides, Eco-Versal delivers excellent resistance to heat transfer, making it suitable for walls, floors, roofs, and ceilings. Its lightweight structure ensures easy handling on-site, saving time and labour during installation.

Key Features and Benefits

High Thermal Efficiency – Low thermal conductivity (0.022 W/mK) ensures outstanding insulation performance.
Multi-Purpose Use – Ideal for pitched roofs, flat roofs, cavity walls, solid walls, suspended floors, and loft conversions.
Lightweight & Easy to Cut – Makes installation quicker and reduces waste on-site.
Moisture Resistant – Provides long-lasting protection against damp and condensation.
Environmentally Friendly – Manufactured with sustainability in mind, reducing carbon impact over its lifetime.
Cost-Effective – Helps cut energy bills and provides long-term savings on heating and cooling costs.

Typical Applications

The Ecotherm Eco-Versal PIR Board is one of the most flexible insulation solutions available. Common uses include:

Pitched Roof Insulation – Between and under rafters for improved thermal performance.
Flat Roof Insulation – Both warm and cold deck applications.
Wall Insulation – Suitable for cavity wall, internal wall, and external wall systems.
Floor Insulation – Perfect for ground floors, suspended timber floors, and above slab insulation.

Why Choose Ecotherm Eco-Versal from The Yard Builders Merchant?

At The Yard Builders Merchant, we take pride in offering only trusted building products that deliver both quality and performance. With the Ecotherm Eco-Versal PIR Insulation Board, you get:

Competitive pricing
Reliable stock availability
Expert advice on insulation solutions
Nationwide delivery options

Final Thoughts

The Ecotherm Eco-Versal PIR Insulation Board is a reliable, multi-purpose insulation product designed to meet today’s demanding construction standards. Whether you’re working on a new build, renovation, or retrofit project, Eco-Versal ensures excellent thermal performance, energy savings, and durability.