Parapet Wall

A parapet wall is a low wall constructed above the roof that normally extends across the perimeter of a building, they are normally enclosing roof or protecting barrier on the fringe of a roof or bridge.

A parapet can be constructed across the balconies.

Here we’ll learn about the parapet wall, types of parapet walls and how parapet wall is constructed.

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 and 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 by various types and their uses are given below:

Plain Parapet Wall:

The plain parapet wall is a vertical extension of the wall at the edge of the ridge.

This is a specific type of parapet 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.

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.

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 type of parapet is additionally prevalent because it gives the construction a beautiful appearance, provides ease of construction & they are cost-effective.

Perpetrate tangled Walls:

In ancient times, these parapets were used especially in the palaces, forts and many others.

Alternate high and low elements and openings are introduced into the parapet.

In ancient times, these holes were commonly used by arrow shooters to wield arrows through it to protect the fort.

Due to their spectacular look and uniqueness, these parapets are built to promote the aesthetic aspects of the constructions.

Classification based on size and configuration:

Flat parapet wall:

These parapet walls are really useful for flat roof construction.

Sloping parapet walls:

These parapet walls are provided for sloping roof construction such as industrial construction, trussed construction, etc.

Stepped parapet walls:

These parapet walls are used for inclined roof construction, it is constructed in a stair-type design.

Curved parapet walls:

These parapet walls are also well-known as arched parapet walls, they are used in both flat and inclined ceilings.

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.

Parapet Wall Design for Small House:

Uses of parapet wall:

Parapet walls have many uses are described below:

  1. Parapet provides beauty to construction.
  2. To prevent vehicles from falling off the bridge and for the safety of people in case of bridges.
  3. To conceal and prevent tools, equipment on the roof.
  4. Also, to stop the entry of mud through the air on the roof.
  5. To prevent the falling of particles collected on the roof.
  6. To prevent excessive air load on the roof.
  7. Parapet walls may be helpful for protection measures in navy areas.




The parapet wall should not be taken lightly as the slightest mistake can cause cracks at the wall space.

Now I’d like to hear from you, which section was new to you or maybe I missed something. Either way, let me know by leaving a comment below.

Hello, I'm Rahul Patil founder of, I had studied B.E. Civil. This blog provides authentic information regarding civil structures, equipment, materials, tests & much more.

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