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Guard rail
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Guard rail
Guard rails, guardrails, railings or protective guarding, in general, are a boundary feature and may be a means to prevent or deter access to dangerous or off-limits areas while allowing more light and visibility than a fence. Common shapes are flat, rounded edge, and tubular in horizontal railings, whereas tetraform spear-headed or ball-finialed are most common in vertical railings around homes. Inside the home, at the edge of stairs or balconies, they are called balustrades, especially when of a more elaborate design. Park and garden railings commonly in metalworking feature swirls, leaves, plate metal areas and/or motifs particularly on and beside gates.
High-security railings (particularly if in flat metal then a type of palisade) may instead feature jagged points and most metals are well-suited to anti-climb paint.
A handrail is less restrictive on its own than a guard rail and provides support.
Many public spaces are fitted with guard rails as a means of protection against accidental falls. Any abrupt change in elevation where the higher portion is accessible makes a fall possible. Due to this responsibility and liability, rails are placed to protect people using the premises. Guardrails in the US are generally required by code where there is a drop of 30 inches (0.76 m) or more.
Examples of this are both architectural and environmental. Environmental guard rails are placed along hiking trails where adjacent terrain is steep. Railings may also be located at scenic overlooks.
Guard rails in buildings can be numerous, and are required by building codes in many circumstances. Handrails along stairways may be supported by balusters forming a balustrade, and catwalks (a type of footbridge) and balconies are also lined with them. An example of a common residential guard rail (US) or handrail (Brit.) is a wood railing around a deck or patio. In the US this is typically built on-site from pressure-treated lumber featuring a simple design of vertical balusters spaced every 3.5 inches (8.9 cm), demonstrating compliance with building codes (standards).
Cable railings typically use stainless steel cables strung horizontally. Glass balusters and glass panels open the view while still providing safety, as at the Grand Canyon Skywalk. With the increasing popularity of composite lumber for decking, manufacturers are providing composite railing components. Wrought iron is another choice that is traditional and sturdy. Decorative examples are considered ironwork.
Building codes[where?] also require that no opening in a guard be of a size such that a 4-inch (10 cm) sphere may pass. There are three exceptions according to the 2003 International Building Code Section 1012.3 which allow openings to not exceed 8 or 21 inches (20 or 53 cm) depending on occupancy groups or special areas.
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Guard rail
Guard rails, guardrails, railings or protective guarding, in general, are a boundary feature and may be a means to prevent or deter access to dangerous or off-limits areas while allowing more light and visibility than a fence. Common shapes are flat, rounded edge, and tubular in horizontal railings, whereas tetraform spear-headed or ball-finialed are most common in vertical railings around homes. Inside the home, at the edge of stairs or balconies, they are called balustrades, especially when of a more elaborate design. Park and garden railings commonly in metalworking feature swirls, leaves, plate metal areas and/or motifs particularly on and beside gates.
High-security railings (particularly if in flat metal then a type of palisade) may instead feature jagged points and most metals are well-suited to anti-climb paint.
A handrail is less restrictive on its own than a guard rail and provides support.
Many public spaces are fitted with guard rails as a means of protection against accidental falls. Any abrupt change in elevation where the higher portion is accessible makes a fall possible. Due to this responsibility and liability, rails are placed to protect people using the premises. Guardrails in the US are generally required by code where there is a drop of 30 inches (0.76 m) or more.
Examples of this are both architectural and environmental. Environmental guard rails are placed along hiking trails where adjacent terrain is steep. Railings may also be located at scenic overlooks.
Guard rails in buildings can be numerous, and are required by building codes in many circumstances. Handrails along stairways may be supported by balusters forming a balustrade, and catwalks (a type of footbridge) and balconies are also lined with them. An example of a common residential guard rail (US) or handrail (Brit.) is a wood railing around a deck or patio. In the US this is typically built on-site from pressure-treated lumber featuring a simple design of vertical balusters spaced every 3.5 inches (8.9 cm), demonstrating compliance with building codes (standards).
Cable railings typically use stainless steel cables strung horizontally. Glass balusters and glass panels open the view while still providing safety, as at the Grand Canyon Skywalk. With the increasing popularity of composite lumber for decking, manufacturers are providing composite railing components. Wrought iron is another choice that is traditional and sturdy. Decorative examples are considered ironwork.
Building codes[where?] also require that no opening in a guard be of a size such that a 4-inch (10 cm) sphere may pass. There are three exceptions according to the 2003 International Building Code Section 1012.3 which allow openings to not exceed 8 or 21 inches (20 or 53 cm) depending on occupancy groups or special areas.
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