8 Types of Pointing in Construction

What Is Pointing?

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What Is Pointing?

Pointing is a method of filling joints in brick or stone masonry with materials chosen for aesthetics or to provide old mortar protection against the external environment.

In construction, masonry joints in brick pointing or stone pointing are filled in various ways for aesthetics. Different materials and tools are used for other methods of pointing. Finishing joints in brickwork construction is a necessary building process.

Although there are many types of finishing in construction, such as plastering, color washing, whitewashing, varnishing, distempering, and others, pointing is also used for aesthetics. Pointing is helpful for both new buildings and old renovation brick masonry.

‘R. According to Berry (author of The Constructions of Buildings), the terms joints and pointing are used in brick masonry. Keyed pointing is commonly used in brickwork construction.

Here, we are going to discuss types of pointing in construction.

Importance Points for Pointing In Masonry:

Importance Points for Pointing In Masonry

The following conditions have been adopted for the direction,

  1. Pointing work can be done with a finishing surface of the exterior brickwork using a richer mortar mixture to make the joints look better.
  2. Where the outer surface does not need to be made a smooth surface.
  3. Pointing can be a suitable option for designing surfaces in different patterns, thicknesses, colors, and joints.
  4. Pointing is perfect for showing the natural beauty of stone blocks and brick-like materials in the walls.
  5. Where pointing to stone blocks with good quality finishing materials for use in construction can be an economical option.

Also Read: Density Of Cement, Sand, And Aggregate | What Is Density of Building Material | Density of RCC

Mortar for Pointing:

Mortar for Pointing

Lime mortar or cement mortar is commonly used for pointing

Lime Mortar For Pointing:

Lime Mortar For Pointing

Lime mortar for pointing is made by mixing fat lime and fine sand in a ratio of 1: 2. Mortar is a traditional method of repairing old buildings.

Cement Mortar for Pointing:

Cement mortar is prepared by mixing water in cement and sand in a ratio of 1: 3 for points. It involves mixing cement and sand in a dry manner on a tight water platform as required.

It is advisable to use a mortar prepared for good quality for pointing within 30 minutes after adding water. Usually, a bag of cement is used to prepare the mortar for pointing.

Ready Mixed Mortar for Pointing:

A ready-mixed mortar is a mixture of sand and cement in the required ratio. You can prepare the mix in the right consistency by simply adding water to it. Ready-mixed mortar can use ready-mixed mortar with high strength in less time.

Purpose of Pointing:

  1. Pointing work only protects the mortar joints in brickwork from the adverse effects of the environment. Different types of pointing work make the pattern, thickness, and texture of the joints in the brickwork clearly look beautiful on the wall.
  2. Externally exposed masonry joints are considered to be the weakest and most vulnerable. Pointing is appropriate to prevent rainwater or moisture from entering and damaging the brickwork.
  3. Pointing work strengthens joints by sealing gaps or spaces in mortar.
  4. Sometimes pointing work can be done aesthetically for decorative purposes
  5. It provides strong and reliable bonding against the external environment in brick/stone masonry joints.

Method of Pointing In Construction:

 

The various steps to follow while doing pointing work are given below.

Usually, in brickwork construction, all the mortar joints are drilled to a depth of 15 to 20 mm with the help of a pointing tool so that the fresh mortar for pointing can be augmented with sufficient keys.

All loose mortar and dust are removed from the brickwork using a wire brush. The joints of the brickwork are then washed with clean water. The joints are kept wet for a few hours before pointing work.

The joints prepared in this way are filled with a mortar prepared for pointing. The mortar is properly pressed into the joint to form a joint with the old internal mortar joints.

The joints of the brickwork are rendered flush and vertical according to different types of points. Excess mortar on the sides is removed after pointing work.

Pointing work has become popular because of its low cost and can be done quickly. But pointing work has to be repeated from time to time.

Similarly, curing should be done with water for at least ten days or three days after completion of pointing work.

Different Type of Pointing:

1. Keyed Pointing:

Keyed Pointing

The racked vertical or horizontal joints for this Keyed pointing are first filled flush with the face of the wall. The mortar is then jointly pressed by pointing tools, which ends well with the outer face of the masonry surface.

After that, the joints are pressed with steel of 6 mm diameter for keyed pointing. This will create a curved arc groove in the mortar, commonly known as keyed pointing.

Steel bars are used to give a semi-circular shape for keyed pointing. This type of keyed pointing gives the wall an excellent exterior look. Keyed pointing is used especially for the best type of work for vertical joints of walls.

2. Flush Pointing:

Flush Pointing

In this type of brickwork masonry or stone, masonry joints are filled with mortar. Which is flush with the face of the wall with pointing tools. The edges of the joints are neatly trimmed with a trowel.

Finishing pointing is done with a trowel. It cannot perform well on the surface of brickwork. But this type of pointing is durable and eliminates.

The possibility of accumulation of dust, water, etc. Generally, flash pointing is a common type of pointing used in building construction.

3. Weathered Pointing:

Weathered Pointing

This type of pointing is made by projecting V-shaped joints of brickwork.

4. Struck Pointing:

Struck Pointing

In Struck Pointing, the face of the brickwork is tilted, and the upper edge of the flash pointing is made by pressing about 10 mm inside the face. This type of pointing removes rainwater and is considered to be quite durable and safe.

5. Beaded Pointing:

Beaded Pointing

In this type of pointing, the joints are the first flush with mortar against the face of the wall, and then concave grooves are made with steel or iron rods in the center of the joint with concave edges. Although beaded pointing is good in appearance, it can be easily damaged.

6. V- Grooved Pointing:

V Grooved Pointing

V pointing is constructed in the same way as keyed pointing. It also involves pressing mortar into a joint of brickwork wall or bricklayer’s joints. After that, its joints are made into a V-shaped groove using a V-shaped tool. Hence it is called V pointing.

7. Recessed Pointing:

Recessed Pointing

Recessed pointing is generally not suitable for joints of brickwork in the external environment. Because its composition does not release water easily.

Recessed pointing is pointing the mortar by pressing 5 mm or more from the edges of the joints of the brickwork. In this type of pointing, the face of the pressed pointing is kept upright. This type of pointing gives a good look at internal purposes.

8. Tuck Pointing:

Tuck Pointing

In tuckpointing, the mortar is flush with the face of the wall in the racked joints. When the mortar pressed in this way is still green, a narrow channel or groove is formed in the center of the joint. Its width = 5 mm and depth = 3 mm. Hence it is known as tuckpointing.

Precautions for Pointing Work:

  1. Pointing work should be done when the mortar in the racked joints is green and fresh.
  2. Joints should be thoroughly cleaned and moistened before repainting old work. Because the dry surface of the mortar absorbs water from the mortar.
  3. The type of mortar and the pointing, should be chosen based on the requirements of brick pointing or stone pointing.
  4. No pointing work should be done during snowy weather.
  5. The joints of the pointed work should form a regular line of equal width. In the case of joints in stone pointing, the stone should be designed accordingly.

Also Read: What Is a Gambrel Roof Design? | Gambrel Roof Angles

Advantages of Pointing in Construction:

Advantages of Pointing in Construction

  1. Different types of pointing reinforce brick and stone masonry joints to some extent against various external weather conditions.
  2. Pointing avoids cracking and shrinkage in brickwork joints in brickwork construction due to weather damage.
  3. Pointing can be done to fill in the gaps between the brick/stone masonry and give a good look. So the inflow of rainwater is less.
  4. Tuckpointing can be used to repair and maintain defective damage in stone masonry.
  5. It increases the life span of the brick wall.
  6. Repointing gives an advanced finish to the structural parts of the brickwork wall.
  7. It can be an economical option. This is because it requires a small amount of cement mortar.
  8. It provides strong and reliable bonding against the external environment in brick/stone masonry joints.
  9. Pointing work strengthens joints by sealing gaps or spaces in mortar.
  10. Externally exposed masonry joints are considered to be the weakest and most vulnerable. Pointing is appropriate to prevent rainwater or moisture from entering and damaging the brickwork.

Disadvantages of Pointing in Construction:

Disadvantages of Pointing in Construction

  1. It is not used for interior walls. It is used as an economical alternative in the compound wall.
  2. It does not give the appearance of simple aesthetics if it is not done correctly.
  3. Beaded Pointing and Tuck Pointing will likely be damaged shortly after brick/stone masonry.
  4. Pointing in brick/stone masonry can be challenging to paint.

Repointing Brickwork Cost:

Repointing Brickwork Cost

For brick masonry, walls up to 8 ‘can be 3 to $ 20 per square foot. If pointing for walls above 8 ‘can cost 5 to $ 25 per square foot.


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Frequently Asked Questions

What Is Keyed Pointing?

The racked vertical or horizontal joints for this Keyed pointing are first filled flush with the face of the wall. The mortar is then jointly pressed by pointing tools, which ends well with the outer face of the masonry surface.

After that, the joints are pressed with the steel of 6 mm diameter for keyed pointing. This will create a curved arc groove in the mortar, commonly known as keyed pointing.

What Is the Average Cost for Brick Pointing?

For brick masonry, walls up to 8 ‘can be 3 to $ 20 per square foot. If pointing for walls above 8 ‘can cost 5 to $ 25 per square foot.

Is Repointing Brick Necessary?

Repointing work can be an economical option. This is because it requires a small amount of cement mortar. Repointing work provides solid and reliable bonding against the external environment in brick/stone masonry joints.

What Is Pointing in Masonry?

‘R. According to Berry (author of The Constructions of Buildings), the terms joints and pointing are used in brick masonry. Keyed pointing is commonly used in brickwork construction.

What Are the Purposes of Pointing?

Bricks help in the maintenance of the building, as the repair technique of mortar joints between the joints of the masonry.

Pointing work only protects the mortar joints in brickwork from the adverse effects of the environment. Different types of pointing work make the pattern, thickness, and texture of the joints in the brickwork look beautiful on the wall.

What Type of Mortar for Repointing Brick?

Cement mortar is prepared by mixing water in cement and sand in a ratio of 1: 3 for points. It involves mixing cement and sand in a dry manner on a tight water platform as required.

Why Is Pointing Done in Construction?

Usually, in brickwork construction, all the mortar joints are drilled to a depth of 15 to 20 mm with the help of a pointing tool so that the fresh mortar for pointing can be augmented with sufficient keys.

What Is Pointing and It’s Importance?

Repointing work can be an economical option. This is because it requires a small amount of cement mortar. Repointing work provides strong and reliable bonding against the external environment in brick/stone masonry joints.

What Does Pointing Mean in Construction?

Pointing is a method of filling joints in brick or stone masonry with materials chosen for aesthetics or to provide old mortar protection against the external environment.

What Is Pointing?

Pointing, in building maintenance, the technique of repairing mortar joints between bricks or other masonry elements. When aging mortar joints crack and disintegrate, the defective mortar is removed by hand or power tool and replaced with fresh mortar, preferably of the same composition as the original.

What Is Tuck Pointing?

Tuckpointing (also called tuckpointing or tuck-pointing) is a way of using two contrasting colors of mortar in the mortar joints of brickwork, with one color matching the bricks themselves to give an artificial impression that very fine joints have been made.

What Is Repointing?

Repointing is the process of renewing the pointing, which is the external part of mortar joints, in masonry construction. Over time, weathering and decay cause voids in the joints between masonry units, usually in bricks, allowing the undesirable entrance of water.

What Is Brick Pointing?

Brick pointing occurs when the brick is newly installed; the process involves filling mortar joints to finish them during construction. Unless you are building a brand new structure, it’s unlikely that you’ll need professional assistance with pointing.

What Is Repointing Brick?

Repointing is the process of renewing the pointing, which is the external part of mortar joints, in masonry construction. Over time, weathering and decay cause voids in the joints between masonry units, usually in bricks, allowing the undesirable entrance of water.

What Is Repointing a House?

If you can see gaps in your brickwork, then it’s definitely time to repoint. Ignoring the gaps will only cause the quality of your brickwork to deteriorate, leading you to potentially end up in a bigger predicament than where you started. Perhaps you’ve spotted dampness in your home recently.

What Is Tuck Pointing Brick?

Tuckpointing sometimes referred to as repointing or brick pointing, is a process of finishing or repairing mortar joints between bricks or stones with a narrow ridge of lime putty or fine lime mortar.

What Is Pointing Mortar?

Pointing is the term given to the ‘finish’ that is between the bricks or stone used to build your house. Depending on the age of the building, the mortar used to lay the stone or brick will either be made from lime or, more recently, cement. Incorrect pointing causes irreparable damage to older buildings.

What Is Pointing on a House?

The construction term pointing refers to the finishing of mortar joints in masonry, be it stone or brick. Mortar often does not have as long a lifespan as the brick it holds together, and over the years, must be periodically removed and replaced.

What Cement to Use for Pointing?

A typical mortar mix for Repointing purposes, for use in an area subject to normal weather conditions, would comprise 1 part Portland Cement, 1 part Lime, and 5½ parts Sand.

What to Use for Pointing Bricks?

Mortar is typically used for bricklaying and pointing. Sharp sand is ideal for mixing with other sands to increase the strength of the mortar and for when it needs to be less workable. A key benefit of adding sharp sand to the mortar mix is that it can prevent cracking during the drying process.

What Is a Tuck Pointer Used for?

Tuckpointing is vital for the health of your home for a number of reasons: It literally holds your brickwork (your house) together! Water intrusion from bad Tuckpointing can cause mold inside the walls. Water intrusion from bad Tuckpointing can cause Basement Flooding.

What Do You Use to Point Bricks?

Cement and sand, with the addition of plasticizer or lime (all mixed with water), make a building or pointing mortar.

What Is Cement Pointing?

When aging mortar joints crack and disintegrate, the defective mortar is removed by hand or power tool and replaced with fresh mortar, preferably of the same composition as the original.

What Is Mortar Pointing?

The construction term pointing refers to the finishing of mortar joints in masonry, be it stone or brick. Mortar often does not have as long a lifespan as the brick it holds together, and over the years must be periodically removed and replaced.

What Do You Use to Repoint Bricks?

Repointing brickwork involves carefully repacking the mortar sitting between the individual bricks, or stone blocks, that make up the exterior skin of your home. Although many renovators carry our DIY repointing, given the requirement for working at heights, it can be a job that is best outsourced to a professional.

What Mortar to Use for Repointing Brick?

Type O mortar, or high-lime mortar, a softer mortar with a low compressive strength of 350 psi, is best suited to repointing for several reasons. The first reason is that type O mortar is softer than the older bricks, and it allows the bricks to expand or contract from temperature changes or stress.

What to Use for Repointing Brick?

Using Lime Mortar for Pointing or Repointing

Using lime mortar instead of cement for pointing stone masonry or brickwork is a wise choice. Lime is a softer material that allows moisture to move through the joints.

What Is House Pointing?

Repointing is the process of renewing the pointing, which is the external part of mortar joints, in masonry construction. Over time, weathering and decay cause voids in the joints between masonry units, usually in bricks, allowing the undesirable entrance of water.

What Cement Do You Use for Pointing?

Portland Cement
If you are using a pointing mix, then you should have a ratio of 1:4 or 1:5 mortar to sand. As for concrete, it depends on the strength you need it to be at. Usually, it is good practice to mix concrete at 1:2 mix to materials.

What Do You Use to Tuck Point Brick?

Tuckpointing, sometimes referred to as repointing or brick pointing, is a process of finishing or repair mortar joints between bricks or stones with a narrow ridge of lime putty or fine lime mortar.

What to Use for Pointing?

Cement and sand mixed with water make concrete. Cement and sand, with the addition of plasticizer or lime, make a building or pointing mortar.

What Mortar Should I Use for Repointing?

Type O mortar, or high-lime mortar, a softer mortar with a low compressive strength of 350 psi, is best suited to repointing.

What Lime Mortar to Use for Pointing?

Hydraulic lime mortar is ideal for pointing thanks to its strength, durability, and frost resistance.

What Is Brick Tuck Pointing?

Tuckpointing sometimes referred to as repointing or brick pointing, is a process of finishing or repairing mortar joints between bricks or stones with a narrow ridge of lime putty or fine lime mortar.

What Do You Point Bricks with?

The mortar that you point between bricks will protect the wall from snow, rain, and other elements and make the gaps watertight. To point the wall, you’ll need to make a batch of mortar and use a trowel and pointing tool to apply it to gaps in the joints between bricks.

What Lime for Pointing?

Lime pointing of traditional masonry using lime mortar based on lime putty or natural hydraulic lime (NHL) offers many advantages over cement-based mortars.

What Is Lime Mortar Pointing?

The use of a lime mortar for pointing in general masonry allows you to use a material that is both porous and softer compared with mortars that feature cement. This allows the moisture to evaporate from the joints more effectively, which reduces the level of moisture in the fabric of the building.

What Cement for Pointing?

OPC 43 grade or PPC cement is suitable for brickwork, plaster, tiling, waterproofing, and other general work where initial strength is not that critical.

What Mortar for Repointing?

Type O mortar, or high-lime mortar, a softer mortar with a low compressive strength of 350 psi, is best suited to repointing for several reasons. The first reason is that type O mortar is softer than the older bricks, and it allows the bricks to expand or contract from temperature changes or stress. The bricks can move a little without cracking the mortar joints.

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