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Specialist Curtain Walling

Building Regulations That Apply to Curtain Walling

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Curtain walling is a non-load bearing exterior wall system that is designed to protect the interior of a building from the elements while also providing an aesthetically pleasing finish.

This type of cladding is commonly used in modern construction and has become increasingly popular due to its flexibility and versatility in design.

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Before having curtain walling installed, you will need to be aware of the building regulations. For more information on the building regulations, please make sure to contact our team.

Building Regulations for Curtain Walling?

When it comes to the installation of curtain walling systems, several building regulations must be considered.

These regulations ensure that the curtain walling meets safety standards and performs optimally in terms of energy efficiency, accessibility, and durability.

In this section, we will explore the various building regulations that apply to curtain walling. From fire safety and structural stability to sustainability and maintenance, each regulation plays a crucial role in the overall performance of curtain walling systems.

Fire Safety

We can install fire-resistant materials in the curtain walling system, such as glass with fire-resistant interlayers to ensure fire safety. To prevent the spread of fire from one area to another it is important to ensure proper compartmentation.

Our team can also provide fire-rated seals and gaskets to maintain the integrity of the curtain wall under high temperatures. Implementing fire safety measures in the building design will complement the fire performance of the curtain walling system.

Structural Safety

It is important to ensure the structural design complies with local building codes, considering factors like wind loads and seismic activity. We use high-quality materials with adequate strength and durability to support the building’s weight and withstand external forces.

Regular inspections for signs of wear, corrosion, or damage to maintain structural integrity are recommended. Our team will also implement safety measures during installation to prevent accidents and ensure secure attachment to the building.

Curtain walls must be installed according to international standards ASTM E1105 to ensure proper insulation.

Thermal Performance

Thermal performance is a critical aspect of curtain walling. It involves using materials that provide excellent insulation to minimise heat transfer.

Steps include:

  1. Selecting low U-value glass.
  2. Incorporating thermal breaks within the framing.
  3. Ensuring airtight installation.

Consideration of solar heat gain coefficient to control heat gain while maximising natural light is also crucial.

Ventilation and Air Quality

It is important to ensure proper air circulation within the building by designing curtain walling with adjustable ventilation options. Integrating air quality control measures to filter and purify incoming air helps to maintain a healthy indoor environment.

Our team consider the impact of curtain walling design on HVAC systems and ensures efficient ventilation and air quality management.

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Our team can install accessible entrances with manoeuvrable doors along with barrier-free pathways and ramps for wheelchair users.

If necessary accessible lifts and controls for vertical transportation can be installed.

Our team can also incorporate tactile and visual signage for individuals with visual impairments and implement adjustable workstations and reachable amenities for diverse user needs.

Acoustic Performance

You will need to assess the noise levels before building the curtain walling.

We recommend selecting double or triple glazed windows to reduce external noise infiltration. Clients may also utilise acoustic sealants and gaskets to seal gaps and prevent sound transmission through the curtain walling system.

We offer sound-absorbing material within the curtain walling design to enhance acoustic performance. For more information on acoustic performance, please make sure to contact our team..

Building Movement and Seismic Activity

Curtain walling designs must account for building movements caused by factors such as temperature fluctuations, wind forces, and settlement.

Structures located in seismic zones must adhere to strict regulations to ensure the curtain walling can withstand seismic forces and protect occupants.


When considering the sustainability of curtain walling, it’s essential to prioritise eco-friendly materials, energy efficiency, and recyclability.

Opt for systems incorporating renewable resources, such as aluminium or steel, which are durable and can be recycled. Additionally, choose designs that maximise natural light to reduce energy consumption.

Implementing sustainable practices in the construction and maintenance of curtain walling contributes to environmental preservation.

Maintenance and Repair

Schedule routine inspections of the curtain walling to spot any signs of damage or wear. Promptly address any identified issues to prevent further damage and maintain structural integrity.

Regularly clean the curtain walling components and perform necessary maintenance tasks to prolong their lifespan. Engage qualified professionals to conduct repairs, ensuring compliance with safety standards.

How Do These Regulations Affect the Design and Construction of Curtain Walling?

Clients must understand and adhere to local building regulations to avoid penalties and ensure safety.

Regulations dictate aspects like material selection, fire resistance, and energy efficiency, influencing the overall curtain wall design.

They also affect installation methods, structural support, and integration with other building components.

Meeting regulatory requirements involves rigorous testing and certification processes for the curtain walling system.

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Frequently Asked Questions

What are the building regulations that apply to curtain walling?

The building regulations that apply to curtain walling include codes of practice such as BS 6262 and BS 6399, as well as standards such as BS EN 12208 and BS EN 12207.

These regulations ensure that curtain walls are designed and installed to meet performance requirements and resist environmental forces such as wind, snow, and seismic conditions.

What are the considerations for specifying curtain walling?

When specifying curtain walling, it is important to consider factors such as the type of construction methods and materials being used, the size and design of the building, and the environmental conditions of the site.

It is also important to take into account any unforeseen hazards or complications that may arise during construction.

What are some common maintenance problems associated with curtain walling?

Some common maintenance issues that may arise with curtain walling include air leakage, water penetration, and thermal performance problems.

These issues can be minimised by properly installing and maintaining the curtain wall, and by using high-quality materials.

What are some recommended construction techniques for curtain walling on sloping ground?

When constructing curtain walling on sloping ground, it is recommended to use pier foundations or trench fill foundations to stabilise the structure.

Additionally, slope glazing and movement joints should be used to accommodate any potential movement of the ground. A detailed investigation of the ground conditions should also be conducted to determine the most appropriate construction techniques.

What are some ventilation requirements for curtain walling in office buildings?

In office buildings, curtain walling must meet the ventilation requirements outlined in Part F of the building regulations.

This includes providing adequate natural or mechanical ventilation to ensure a healthy and comfortable indoor environment for occupants.

The design of the curtain wall should take into account the need for ventilation while also maintaining energy efficiency.

What is a CPD and how can it help with the successful specification of curtain walling?

CPD stands for Continuing Professional Development and it refers to self-directed learning that professionals undertake to enhance their knowledge and skills.

Attending a CPD course on curtain walling can provide a basic understanding of regulations and standards, as well as guidance for investigations and managing the risks associated with curtain walling.

It can also contribute to the required CPD credits for professional accreditation and improve the overall understanding for the successful specification of curtain walling.

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