A parapet wall is a low or dwarf wall constructed along the edge of the roof, terrace, walkway, balcony, etc; Parapet walls can be constructed using different materials like reinforced cement concrete, steel, aluminum, glass, etc.
They are normally enclosing a roof or protecting barrier on the fringe of a roof or bridge.
Here we’ll learn about the parapet wall, types of parapet walls and uses of parapet wall.
Introduction to parapet wall:
In European standard, the parapet is defined as a sub-category of “vehicle restraint system” or “pedestrian resting system”.
In Shilpa Shastras, the historic Indian science of sculpture, a parapet is called hara, it may be decorated with varied miniature pavilions according to Kamikagama.
Where parapet wall is required:
- In low-lying buildings, conventional design architects prefer to have strong parapet walls to make the building extra outstanding.
- Additionally, the extra surface area will be obtainable to increase design features.
- In classic architecture, the walls of the parapet had large decorative moulding at the top which served as an essential boundary to the building.
- Many firewalls require a parapet, a portion of the wall extending above the roof.
- The parapet is required to be fireplace resistant much like the lower wall and should extend the distance set by the building code.
Types of parapet walls:
Classification Based on appearance:
Parapet walls are classified according to various types and their uses as follows:
1. Plain Parapet Wall:
The plain parapet wall is a vertical extension of the wall at the edge of the ridge.
These are specific types of walls provided for safety issues, it is given concrete capping at the top and stitched at the bottom.
Plain parapets are simple to assemble, require little maintenance & they are generally dull in appearance.
2. Perforated Parapet Walls:
The perforated parapet walls is an extension of the plain parapet walls; however, the portion of the expanded wall is perforated with differently shaped openings, gives an aesthetic look to the construction.
Differently designed holes are used such as circles, trefoils, flower shapes, etc.
3. Panel Parapet Walls:
These parapet walls are similar like plain parapet walls, but it has inter-panel parapets that can be overstated.
The panels may be diagonally or square, however no perforation is given.
This parapet wall is additionally prevalent because it gives the construction a beautiful appearance, easy to construct & cost-effective.
4. Perpetrate tangled Walls:
In ancient times, these parapets were used especially in the palaces, forts and many others.
Alternate high & low elements and openings are introduced into the parapet, these holes were commonly used by arrow shooters to wield arrows through them to protect the fort.
Due to their spectacular look and uniqueness, these parapets are built to promote the aesthetic aspects of the constructions.
Also read : Cavity Wall & Gabion Wall
Classification based on size and configuration:
5. Flat parapet wall:
These parapet walls are used for flat roof construction.
6. Sloping parapet walls:
These parapet walls are used for sloping roof construction such as industrial construction, trussed construction, etc.
7. Stepped parapet walls:
These parapet walls are used for inclined roof construction, it is constructed in a stair-type design.
8. Curved parapet walls:
These parapet walls are also well-known as arched parapet walls, they are used in both flat and inclined ceilings.
9. Miscellaneous Parapet:
In many modern types of parapet walls has changed due to their domination in all classes like security, look, economic system, etc.
Some fashionable types of parapets are fibre-glass parapets, metal railing parapets, etc.
Glass or metal railings can be offered with perforated wall piercing parts for a higher look, it is known as a joint parapet wall.
Also read : CMU Walls & Partition Wall
Parapet Wall Design for Small House:
Also read : Retaining Wall & Shear Wall
Uses of parapet wall:
Parapet walls have many uses are described below:
- Parapet walls provide beauty to construction.
- It prevents vehicles from falling off the bridge and for the safety of people in the case of bridges.
- To conceal and prevent tools, equipment on the roof.
- Also, to stop the entry of mud through the air on the roof.
- To prevent the falling of particles collected on the roof.
- To prevent excessive air load on the roof.
- Parapet walls may be helpful for protection measures in navy areas.
Also read : Masonry Wall & Load Bearing Wall
The parapet wall should not be taken lightly as the slightest mistake can cause cracks at the wall space.