
In construction, a chase is a vertical or horizontal space created within a building's structure to accommodate and conceal plumbing, electrical, HVAC, and other utility lines. Chases are used to house and manage electrical wires and cables, providing a secure and accessible pathway while maintaining the aesthetic appeal of the interior. They are commonly used in both residential and commercial buildings, and can be constructed using various materials such as drywall, metal, or concrete. Chases are an important consideration in renovation projects, as they ensure the safe and efficient distribution of utilities throughout a building.
| Characteristics | Values |
|---|---|
| Definition | A chase is a vertical or horizontal space created within a building's structure to accommodate and conceal electrical wires and cables, among other utilities. |
| Types | Wall chases, floor chases, ceiling chases |
| Construction Materials | Drywall, metal, concrete, plaster, brick, concrete blocks |
| Width | Typically, the width does not exceed 3.9 inches (100mm) |
| Depth | For vertical chases, the depth should not exceed 1/3 of the wall's thickness; for horizontal chases, the depth should not exceed 1/6 of the wall's thickness. |
| Safety | Chases protect utility lines from damage and reduce the risk of accidents. They also allow for the incorporation of fire-resistant materials and firestop systems to prevent the spread of fires. |
| Accessibility | Chases provide easy access for maintenance and repairs without disrupting the building's appearance. |
| Aesthetics | Chases conceal utility lines, keeping interiors neat and aesthetically pleasing. |
| Planning | The layout and size of chases must be carefully planned during the design phase to accommodate the specific utilities and ensure seamless integration with the building's structure. |
| Installation | Utilities are typically installed using brackets, clamps, or hangers to secure them in place. |
| Electrical Wireways | Electrical wireways or wire chases are manufactured to safely manage and contain wires and cables within enclosures. |
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What You'll Learn
- Chases are vertical or horizontal spaces in walls, floors, or ceilings
- They accommodate and conceal electrical wires, cables, and other utilities
- Chases are constructed from materials like drywall, metal, or concrete
- They are crucial for safety, accessibility, and aesthetics
- Chases can be added during renovations, but it's more challenging

Chases are vertical or horizontal spaces in walls, floors, or ceilings
A chase is a vertical or horizontal space created within a building's structure to accommodate and conceal plumbing, electrical, HVAC (heating, ventilation, and air conditioning), and other utility lines. They are crucial in providing a secure and accessible pathway for these services while maintaining the aesthetic appeal of the interior. Chases are commonly found in walls, floors, or ceilings, and their careful planning and construction are essential for the overall functionality and safety of the building.
Wall chases are created within the thickness of walls to hide pipes, wires, and ductwork. Builders strategically place these chases to ensure that cables run together, and their layout must be carefully planned during the design phase. The width of a wall chase typically varies depending on the number of services it will enclose, but it generally does not exceed 3.9 inches (100mm). It is important to note that a vertical chase should not be deeper than one-third of the wall's thickness, while a horizontal chase should not exceed one-sixth of the wall's thickness.
Floor chases are channels or conduits embedded in the floor structure, allowing for the routing of utilities beneath the surface. These chases are often cut into concrete floors if there was no initial provision for cables and pipes during the design stage.
Ceiling chases are spaces above the ceiling, typically housing HVAC ducts, electrical conduits, and other overhead utilities. The size and layout of ceiling chases must be carefully considered to ensure they can accommodate the specific utilities they will house and seamlessly integrate with the building's structure.
Chases can be constructed using various materials, including drywall, metal, or concrete, depending on the building's requirements and the utilities being concealed. Fire-resistant materials and firestop systems are essential components within chases to prevent the spread of fires through utility pathways. Additionally, incorporating chases into building design enhances safety, accessibility, and aesthetics by protecting utility lines, providing easy access for maintenance, and concealing unsightly pipes and wires.
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They accommodate and conceal electrical wires, cables, and other utilities
A chase is a vertical or horizontal space created within a building's structure to accommodate and conceal electrical wires, cables, and other utilities. They are essential for the organisation and protection of a building's utility systems, providing a secure and accessible pathway for these services while maintaining the aesthetic appeal of the interior.
Chases can be incorporated into wall, floor, or ceiling structures, and their layout and size must be carefully planned during the design phase to ensure they can accommodate the specific utilities they will house and seamlessly integrate with the building. The size of a chase is limited by the building's structure and the space available, and it is crucial that it is not too large as to compromise the structural integrity.
Wall chases are created within the thickness of walls, hiding pipes, wires, and ductwork. They are commonly used in both residential and commercial buildings. Floor chases, on the other hand, are channels or conduits embedded in the floor structure, allowing for the routing of utilities beneath the surface. Ceiling chases are spaces above the ceiling, typically housing HVAC ducts, electrical conduits, and other overhead utilities.
Chases can be constructed using various materials, including drywall, metal, or concrete, depending on the building's requirements and the utilities being concealed. It is important to incorporate fire-resistant materials and firestop systems within chases to prevent the spread of fire through utility pathways. Contractors can cut chases in plaster, brick, or concrete block walls, and then conceal them using cement mortar, plaster, or other surface finishes.
Incorporating chases into building design offers several benefits, including safety, accessibility, and aesthetics. Chases protect utility lines from damage and reduce the risk of accidents. They provide easy access for maintenance and repairs without disrupting the building's appearance. Additionally, by concealing unsightly pipes and wires, chases create a neat and visually appealing interior environment.
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Chases are constructed from materials like drywall, metal, or concrete
A chase is a vertical or horizontal space created within a building's structure to accommodate and conceal electrical wiring, plumbing, HVAC (heating, ventilation, and air conditioning), and other utility lines. Chases are essential for maintaining the aesthetic appeal of interiors by hiding unsightly pipes and wires. They also provide a secure pathway for these utilities and protect them from damage, reducing the risk of accidents.
Chases can be constructed from various materials, including drywall, metal, or concrete, depending on the building's requirements and the utilities being concealed. Drywall is a common material used for chases, especially in hollow wall constructions, where cables and pipes can be passed through the voids without the need for chasing. Metal conduits are another option, but they must be earthed, and nails are used to hold the tube in place. Plastic conduits are also used as they are narrow and can fit well in the shallow depth of chases.
Concrete is a versatile material used for chases in both wall and floor constructions. Contractors cut chases into concrete block walls and floors, especially when there was no provision for cables and pipes during the design stage. Concrete is also used to conceal the chases after the required cables or pipes are secured, along with plaster or other surface finishes.
The choice of material for chases depends on the specific requirements of the building and the utilities being concealed. Fire-resistant materials and firestop systems are crucial to prevent the spread of fires through utility pathways. Additionally, proper insulation and sealing of chases are important to prevent heat loss and ensure energy efficiency.
In summary, chases constructed from drywall, metal, or concrete play a vital role in safely accommodating and concealing utility lines while enhancing the aesthetic appeal of the building's interior.
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They are crucial for safety, accessibility, and aesthetics
In electrical terms, a chase is a vertical or horizontal space within a building's structure that houses and conceals plumbing, electrical, HVAC (heating, ventilation, and air conditioning), and other utility lines. Chases are crucial for safety, accessibility, and aesthetics.
Firstly, they are essential for safety. Chases protect utility lines from damage and reduce the risk of accidents. By concealing pipes and wires within walls, floors, or ceilings, chases prevent trip hazards and create a neat and uncluttered interior space. Additionally, incorporating fire-resistant materials and firestop systems within chases is crucial to prevent the spread of fires through utility pathways.
Secondly, chases enhance accessibility. They provide easy access for maintenance and repairs. When necessary, contractors can access wires and cables through the chase, without disrupting the building's appearance. This accessibility is particularly important during renovations or retrofits, where chases can be added or modified to accommodate new utility lines.
Lastly, chases contribute to the aesthetics of a building. By concealing unsightly pipes and wires, chases create a cleaner and more visually appealing environment. This is especially beneficial in spaces where there are numerous utility lines, such as plumbing, electrical, and HVAC systems. Chases allow for the efficient distribution of these utilities, ensuring services are delivered where needed while maintaining the building's interior design and appeal.
The size, layout, and construction materials of chases are carefully planned during the design phase to ensure they seamlessly integrate with the building's structure. Chases can be constructed using drywall, metal, or concrete, depending on the specific requirements and utilities being concealed. Furthermore, the width of a chase is crucial, as it must be large enough to accommodate the utilities while not compromising the structural integrity of the building.
In summary, chases are vital elements in building construction, providing safety, accessibility, and aesthetic benefits by efficiently managing and concealing essential utility lines.
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Chases can be added during renovations, but it's more challenging
A chase is a vertical or horizontal space within a building's structure that houses and conceals plumbing, electrical wiring, HVAC systems, and other utility lines. Chases are essential for maintaining the aesthetic appeal of interiors by keeping them neat and uncluttered. They also serve a crucial safety function by protecting utility lines from damage and providing easy access for maintenance and repairs.
Chases can be added during renovations, but it is more challenging than incorporating them into new construction. The process may require extensive work, and careful planning is necessary to ensure the chase integrates seamlessly with the existing structure. The size of the chase is limited by the available space and the building's structural integrity.
When adding chases during renovations, the layout and size must be carefully considered to accommodate the specific utilities they will house. Various materials can be used, such as drywall, metal, or concrete, depending on the building's requirements and the utilities being concealed. Fire-resistant materials and firestop systems are essential components to prevent the spread of fires through utility pathways.
Additionally, the depth of the chase and the inclination angle of the load flow can impact the load-carrying capacity of the structure. Studies have shown that horizontal chases result in a more significant reduction in load-carrying capacity compared to vertical chases. Renovation techniques using galvanized steel channels and/or plastic wire mesh with cement mortar have been effective in recovering the lost load-carrying capacity due to the presence of chases.
Overall, while adding chases during renovations is possible, it requires careful planning, consideration of structural integrity, and the use of appropriate materials to ensure safety and functionality.
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Frequently asked questions
A chase is a vertical or horizontal space created within a building's structure to accommodate and conceal electrical wires and cables. It provides a secure and accessible pathway for these services while maintaining the aesthetic appeal of the interior.
Chases protect utility lines from damage and reduce the risk of accidents. They also provide easy access for maintenance and repairs without disrupting the building's appearance. By concealing unsightly wires and cables, chases create a cleaner and more visually appealing interior.
Chases can be constructed using various materials, including drywall, metal, or concrete, depending on the building's requirements and the utilities being concealed. Contractors cut chases in plaster, brick, or concrete block walls, and conceal them using cement mortar, plaster, or other surface finishes. The size of a chase must be carefully planned to accommodate the specific utilities it will house and ensure seamless integration with the building's structure.






































