Modern Shopfront Solutions: Elevating Your Business Entrance

[edit] Introduction

The design of a shopfront can influence the appearance, visibility, security and environmental performance of a commercial building. A shopfront generally forms the interface between the interior of a retail or commercial premises and the street, and may incorporate glazing, doors, framing, signage and security measures.

Modern shopfront designs range from traditional framed arrangements to contemporary systems with large areas of glazing and narrow sightlines. The appropriate design depends on the type of premises, the architectural character of the building, security requirements, accessibility, weather exposure, maintenance requirements and applicable planning and building regulations.

[edit] Shopfront design and materials

Shopfronts can be constructed from a variety of materials, including glass, aluminium, steel and timber. Materials may also be combined to achieve particular structural, visual or performance requirements.

Glazed shopfronts are commonly used where visibility and daylight are important. Large areas of glass can provide views into the premises and allow natural light to enter, while contributing to an open appearance. However, extensive glazing can also increase solar gain, glare and heat loss unless the glazing and framing systems are appropriately specified.

Frameless or minimally framed glazing can create uninterrupted views, but the design must provide adequate structural support and safe fixing arrangements. The type and thickness of glass should be selected according to the dimensions of the installation, support conditions, location and anticipated loads.

Safety glazing may be required where there is a risk of human impact. Toughened glass has increased mechanical strength compared with ordinary annealed glass and typically breaks into relatively small particles when fractured. Laminated glass can provide additional security and may retain fragments within the interlayer after breakage.

The performance of a glazed shopfront depends on the complete assembly, including the glazing, framing, seals, fixings, doors and interfaces with the surrounding building.

[edit] Security and roller shutters

Security is an important consideration in the design of many commercial shopfronts. The level of protection required depends on factors such as the location of the premises, the nature of the business and the value of property within the building.

Roller shutters are commonly used to provide additional protection outside trading hours. They generally consist of an interlocking curtain that moves within guide rails and coils around a barrel when opened. Shutters may be manually operated or electrically powered.

Common configurations include:

• Solid shutters, which provide a continuous barrier.
• Perforated or punched shutters, which can allow some visibility and ventilation when closed.
• Grille shutters, which can provide visibility while restricting access.
• Insulated shutters, which may contribute to thermal performance in appropriate applications.
• Fire-resisting shutters, which are designed and tested for specific fire performance requirements.

Roller shutters can affect the appearance of a building when closed and may be particularly visually intrusive on historic buildings or within conservation areas. Their use and design should therefore be considered in relation to the architectural character of the building and any applicable planning requirements.

[edit] Installation and construction considerations

Shopfront installation requires accurate surveying and coordination with the existing building. The supporting structure must be capable of accommodating the loads imposed by the shopfront, including the weight of glazing, doors, shutters and associated components, as well as environmental loads such as wind.

The installation process may include:

• Surveying and measuring the opening and surrounding structure.
• Assessing the condition and suitability of the supporting construction.
• Removing or adapting existing components where necessary.
• Installing frames, supports or other structural elements.
• Fitting glazing, doors and associated hardware.
• Providing appropriate seals and weatherproofing.
• Installing security measures and operating equipment.
• Testing the completed installation.

Particular care is required when installing large or heavy glass panels. Appropriate handling, lifting and installation methods should be used, and glazing should be installed in accordance with the requirements of the specified system.

Junctions between the shopfront and the surrounding building should control the passage of water and air while accommodating any anticipated movement. Poor installation or inadequate sealing can result in problems including water penetration, air leakage, condensation and premature failure of seals or fixings.

[edit] Thermal, environmental and accessibility considerations

The thermal performance of a shopfront depends on the complete assembly rather than the glazing alone. Frames, glazing systems, doors and junctions can all contribute to heat loss and air leakage.

Insulating glazing units, low-emissivity coatings and thermally improved framing systems can improve thermal performance. Solar-control glazing may help reduce excessive solar gains, although its effects on daylight and internal conditions should also be considered.

The design of entrances should take account of accessibility and the needs of building users. Door widths, thresholds, opening forces, visibility and the operation of automatic doors can all affect accessibility.

Where appropriate, the design should also consider the maintenance and replacement of glazing, seals, doors, shutters and other components.

[edit] Architectural and planning considerations

Shopfronts can make a significant contribution to the appearance and character of a building and the wider streetscape. This can be particularly important in historic areas, where existing features such as stall risers, pilasters, fascias, cornices and traditional framing may form part of the architectural significance of a building.

Alterations to an existing shopfront may be subject to planning controls or other statutory requirements. Additional restrictions may apply to listed buildings and conservation areas.

A modern shopfront design should therefore be considered in relation to the age, character and architectural significance of the building. In some circumstances, retaining or repairing existing historic features may be more appropriate than complete replacement.

[edit] Maintenance and performance

Regular inspection and maintenance can help to maintain the appearance, safety and performance of a shopfront. Requirements vary according to the materials, design and exposure conditions.

Maintenance may include cleaning glazing, inspecting seals and gaskets, checking fixings and frames, maintaining doors and ironmongery, and testing electrically operated shutters and safety devices.

Damage, water penetration, changes in the operation of doors or shutters, or deterioration of seals should be investigated and addressed promptly. Planned maintenance can help to extend the service life of shopfront components and reduce the likelihood of more significant repairs.

[edit] Related articles on Designing Buildings

• Glass Shop Fronts for Modern Retail Spaces
• Shutter
• Curtain wall systems
• Glass mullion system
• Framed-type glass curtain wall
• Shop signs
• Pilaster
• Vitrolite
• External doors
• Fire doors in buildings

--Qsfcontractors