What Is Parapet Wall? | the Need of Parapet Wall | Uses of Parapet Wall | Types of Parapet Wall

What Is Parapet Wall

Introduction of Parapet Wall

A parapet is a wall built over the edge of a roof, terrace, balcony, walkway, or other structure. The construction of parapet walls can usually be seen on buildings, bridges, and roads.

Parapet walls are made in almost every building. The need for parapet walls is usually in a low-rise building, a high-rise building, or a normal building. Because mostly where there will be slabs, the terrace needs protection.

Initially, the King’s parapet wall was used to protect buildings from military attacks, but today it is primarily used as a guard rail.

In this article, for this type of construction, the Parapet wall, types of parapet walls, and Construction of Parapet walls, etc., are discussed.

What Is Parapet Wall?

The parapet wall serves as part of the building. A parapet wall is a low and thin wall built on the edges of the roof, terrace, walkway, balcony, etc.

A parapet wall is essential to protect the safety of immigrants above the roof of the building.

Parapet walls help to enhance the aesthetic appearance of the building from the outside. It has different types according to the construction effect of the parapet wall, which the architect uses in the structure for aesthetic purposes.

According to design, parapet walls are usually made of glass, reinforced cement concrete (RCC), brick masonry, and steel.

Also Read: Weep Holes in Retaining Wall | Weep Hole Cover | Basement Weep Holes

Need of Parapet Wall

Our house or building has its own terrace. Used for various purposes such as walking, sitting and recreational activities, etc. In the absence of a parapet wall, height can lead to accidents such as human falls.

Thus the parapet wall at the edge of the roof is of great importance to provide safety to the occupants on the terrace of the building and to ensure the ending of the roof.

In buildings, it is also necessary to block the interior space of the terrace from the building wisely and cover and protect the space. Using parapet walls ensures the safety of the occupants of the building.

Uses of Parapet Wall

The various uses of parapet walls are described below,

  1. A parapet wall is used to hide tools, stored materials, machinery, equipment, devices, etc., on the roof.
  2. Parapet walls help to enhance the beauty of construction.
  3. To provide those vehicles safely on the bridge and prevents descending from the bridge. In the case of bridges are specially used for the purpose of the safety of the people.
  4. The parapet wall provides safety to human beings on the roof and prevents accidents like falling from the roof for any reason.
  5. It prevents the entry of dust particles on the roof.
  6. It helps to reduce the wind load on the roof.

Height of Parapet Walls

The height of the parapet wall is important in the construction of parapet walls. The parapet wall is usually kept at a minimum height of 3 feet.

Thickness of Parapet walls

The parapet wall is usually kept to a minimum thickness of 6 inches. In a high-rise building, the parapet wall of RCC should have a thickness of 6 inches.

Types of Parapet Wall

The different types of parapet walls, depending on appearance and functions, are as follows.

The types of parapet walls, depending on the design, are as follows

  • Plain Parapet Walls
  • Perforated Parapet Walls
  • Embattled Parapet Walls
  • Paneled Parapet Walls

Depending on the shape and function, the type of parapet walls is as follows,

  • Flat Parapet Walls
  • Curved Parapet Walls
  • Stepped Parapet Walls
  • Sloped Parapet Walls
  • Bridge Parapet Walls

1. Plain Parapet Walls

Plain Parapet Walls

The construction of the plain parapet is very simple and easy, and its repair work requires less skill.

The plain parapet wall is formed from the masonry wall, which is the vertical extension of the wall at the roof’s edge. It is used as a common type of parapet wall, which is usually provided for roofing safety purposes.

The top part of some plain parapets is designed like coping to be able to withstand the resistance of structural loads. This coping enhances the appearance of the plain parapet.

2. Perforated Parapet Walls

Perforated Parapet Walls

Perforated parapets have a more aesthetic appearance than plain parapets. It gives an aesthetic look and feels through the pattern of holes in it.

It uses perfection, such as circles, trefoils, flower shapes, etc., designed to decorate the parapet.

Various precast materials are used in this type of parapet. Different sizes of precast patterns are available in the market. This precast pattern is constructed in the parapet wall.

Also Read: Types of Movable Walls

3. Embattled Parapet Walls

Embattled Parapet Walls

In the old days, embattled parapet wall was mostly used on the roofs of forts and palaces. Thus, the embattled parapet wall is called the castle parapet because it was used in forts in ancient times.

This type of parapet is done aesthetically by giving different shapes to the walls. This type of parapet is used to improve the beauty of the constitution.

The parapet wall is provided with a lower and higher part, respectively. In ancient times the purpose of such construction was to shoot arrows at enemies. And as important in defense of the fort.

4. Paneled Parapet Walls

Paneled Parapet Walls

The wall of paneled parapet wall is similar to the oldest wall and plain parapet wall type. The only special feature is the addition of decorative panels to the outside of the display.

Different shapes can be created for decoration in panels. But no holes are placed in this type of parapet.

Nowadays, the use of this type of parapet, in general, is very prevalent because it gives an expensive look to the building and does not cost much time.

Special care is not required in the construction of this type of parapet. However, special care is taken in designing the hole, like the circle, or square, in this type of parapet. Thus, it gives a decorative appearance.

5. Flat Parapet Walls

Flat Parapet Walls

The use of flat parapet walls is very common and widely used in general buildings. Flat parapet walls are constructed as barriers in general residential units and industrial buildings, and flat roof structures.

A little slope is provided in the flat parapet walls. Nowadays, there are various new designs and technologies in the construction of modern buildings.

Due to this, the design of fiberglass parapet walls and steel railings with parapet-walled glass gives attractive effects in buildings.

6. Curved Parapet Walls

Curved Parapet Walls

Curved parapet walls are commonly known as arch parapet walls. In addition, curved parapet walls are used for flat and sloping roofs.

Curved parapet walls create a design by increasing the height of the building. In addition, curved parapet walls help give the structure a stylish and attractive look.

7. Stepped Parapet Walls

Stepped Parapet Walls

This type of parapet wall is commonly used for sloping roof structures. The construction of this type of parapet is designed in the shape of a step, like a ladder.

Stepped parapet walls are used for decorative purposes on sloping ceilings. From which the roof structure of the building looks flat type.

It helps to make the front elevation of the building attractive. In addition, this type of parapet wall design can hide slopping curbs.

8. Sloped Parapet Walls

Sloped Parapet Walls

These types of parapet walls are commonly used for sloped roof structures. Used for construction such as industrial and truss buildings.

These parapet walls help drain rainwater in one place.

Also Read: Stone Cladding & Best Guide

9. Bridge Parapet Walls

Bridge Parapet Walls

To provide those vehicles safely on the bridge and prevents descending from the bridge. In the case of bridges are specially used for the purpose of the safety of the people.

The construction of the bridge parapet wall is made from different materials. But it typically uses solid or framed material. In addition, materials such as structural steel, aluminum, wood, and reinforced concrete can be used.

According to European standards, the parapet wall is defined as a “vehicle restraint system” or “pedestrian restraint system.”

Importance Notes for Parapet Wall Construction

The following are some important points to keep in mind when constructing parapet walls,

  1. The height of the parapet wall in the building should normally be 3 feet.
  2. The thickness of the parapet wall in the building should normally be 6 inches.
  3. Plaster should be applied on both sides of the parapet wall to sustain it for a long time.
  4. Proper proportions of cement and sand should properly seal the joint between the roof and the parapet wall.
  5. Parapet walls should be free of the plumbing system and electrical wiring.

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Frequently Asked Questions

What Is Parapet Wall?

A parapet wall is a low protective structural layer that is built adjacent to a roof. A parapet wall provides continuity and support in terms of water, air, vapor, and thermal control.

What Is a Parapet Wall on a Roof?

A parapet is a low protective barrier that is an extension of the wall at the edge of a structure, such as a roof, balcony, terrace, walkway, or bridge. In a parapet roof, a low barrier wall is erected from the roof itself. A parapet roof’s main objective is to prevent those standing behind it from falling.

What Is Parapet Wall in Building?

A parapet is a barrier that is an extension of the wall at the edge of a roof, terrace, balcony, walkway or other structure. The word comes ultimately from the Italian parapet to (parade ‘to cover/defend’ and petto ‘chest/breast’).

What Does a Parapet Wall Look Like?

Parapet walls are short and thin walls constructed at the edges of a building’s roof, preferably around its perimeter. It can be constructed in the form of a balustrade or other architectural shapes. Parapets can also be found in houses, bridges, walkways, and balconies.

Types of Parapet Wall

Types of Parapet Walls

  1. Embattled.
  2. Plain.
  3. Perforated.
  4. Paneled.
  5. Flat.
  6. Sloped.

What Is the Purpose of a Parapet Wall?

Parapet a dwarf wall or heavy railing around the edge of a roof, balcony, terrace, or stairway designed either to prevent those behind it from falling over or to shelter them from attack from the outside.

How to Build a Parapet Wall?

Natural stone and brick are both used as parapet materials. Even on walls that are made of steel or metal, stone stucco can still be used as the coping cap for the wall. This is because the stone can be more easily shaped to slope towards the interior of the structure.

How to Lay Coping Stones on a Parapet Wall?

Be laid on a full bed of mortar onto the head of the parapet wall and support board using the same mortar specification used to bed the masonry coping stones. The coping stones must be immediately laid above the DPC in fresh mortar in order to maximize the bond between the coping and the wall beneath.

How to Fix a Leaking Parapet Wall?

In most cases, to fix leaking parapet walls, the wall coping will need to be taken up to be able to address the problem. To fix leaks, you may need to first fix any structural issues before checking that the waterproofing solution and membrane are intact and properly installed.

How High Should a Parapet Wall Be?

According to section 705 of the International Building Code, “The height of the parapet shall be not less than 30 inches (762 mm) above the point where the roof surface and the wall intersect.

How to Calculate Parapet Wall Area?

Load B – Apply positive wall pressure to the back of the parapet while applying negative wall pressure to the front of the parapet. Using the same example as previously considered, let’s now add parapet component and cladding: Cladding Width = 2 ft, Cladding Span = 5 ft, Effective Area = 2×5 = 10 sq ft.

How to Build a Flat Roof with Parapet Wall?

A parapet wall is any wall that continues vertically past the roofline. Typically used on flat roofs, these vertical extensions increase the height of the building while serving several purposes. They’re popular on urban residential structures as well as large manors inspired by European architecture.

Parapet Wall

the parapet wall is a vertical extension of the wall at the edge of the roof. It is a general type of parapet that is mostly provided for safety purposes. Some of the plain parapets come with an added coping or corbel to be able to bear the structural load, but most of them are flat extensions of the wall below the roof.

How High Should Parapet Walls Be?

Parapets have to meet the same height requirements for fall protection as any other rooftop fall protection device. The regulations state that parapets, guard rails, and roof safety railings have to be 42 inches tall, plus or minus 3 inches, to provide adequate fall protection.

Parapet Wall Cap

A metal parapet cap is used when you have a wall that has metal panels on both sides of the wall. The parapet cap covers the wall and both ends of the metal panels. It creates a uniform look and prevents water intrusion.

Parapet Wall Cap Flashing

At the edge of these roofs, parapet walls are commonly found and are vulnerable to leaks if not flashed correctly. Parapet Wall Caps are custom fabricated to any measurements, and they usually measure 10′ in length but can also be bent into 12′ lengths.

Parapet Wall Roof

A parapet is a low protective barrier that is an extension of the wall at the edge of a structure, such as a roof, balcony, terrace, walkway, or bridge. In a parapet roof, a low barrier wall is erected from the roof itself. A parapet roof’s main objective is to prevent those standing behind it from falling.

Parapet Wall Roof

A parapet is a barrier that is an extension of the wall at the edge of a roof, terrace, balcony, walkway, or other structure. The word comes ultimately from the Italian parapet to (parade ‘to cover/defend’ and petto ‘chest/breast’).

Parapet Wall Flashing

A Parapet Flashing is installed to protect, waterproof, and cap the ends of vertical cladding or block/masonry walls. Installing your Parapet Flashing with a slight fall or folding it just off 90 degrees is recommended to ensure water does not pool on top of the cap.

Parapet Wall Bridge

Bridge Parapets
Parapets on bridges and other highway structures (such as retaining walls) prevent users from falling off where there is a drop. They may also be meant to restrict views, prevent rubbish from passing below, and to act as noise barriers.

Pvc Parapet Wall Capping

A pvc parapet cap is used when you have a wall that has metal panels on both sides of the wall. The parapet cap covers the wall and both ends of the metal panels. It creates a uniform look and prevents water intrusion.

Brick Parapet Wall

A parapet wall is the top portion of a brick wall, usually extending above a roof.

Parapet Wall Coping Stones

Parapet Wall Coping Stones Coping – Construction that protects the top of a wall, balustrade, or parapet and sheds rainwater clear of the surfaces beneath.

Concrete Parapet Wall

A parapet is a low wall constructed above the roofline that usually spans around the perimeter of a building. Parapets may be purely aesthetic or primarily functional, such as hiding mechanical equipment or performing as a firewall.

Parapet Wall Coping Cap Cost

Accessories are usually priced from $25 for a snap lock end cap up to $120 for complex Y-shaped miters.

Building Parapet Wall

Parapet a dwarf wall or heavy railing around the edge of a roof, balcony, terrace, or stairway designed either to prevent those behind it from falling over or to shelter them from attack from the outside.

Parapet Wall Outlet

Parapet rainwater outlets are designed for optimum drainage of parapet walls, terraces, and balconies. The parapet outlets have a PVC flange for use with PVC membranes and liquid plastics.

Parapet Wall on Roof

parapet, a dwarf wall or heavy railing around the edge of a roof, balcony, terrace, or stairway designed either to prevent those behind it from falling over or to shelter them from attack from the outside.

Lead Capping Parapet Wall

Lead capping is where a sheet of lead flashing is installed over a parapet to protect it, so water does not penetrate through the building and cause damage to the parapet itself.

Precast Parapet Wall

Precast Bridge Parapets units act as a safety barrier and are often installed at the edge of bridges or retaining walls to provide protection for vehicles.

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