Flemish bond brick is one of the most widely used brick bonding patterns in masonry construction, known for combining strength with an attractive appearance. In this bond, each course consists of alternating headers and stretchers, creating a uniform and decorative pattern on the wall surface. It is commonly used for residential buildings, boundary walls, and exposed brickwork where aesthetics are important. This guide explains the types of Flemish bond brick, construction method, advantages, disadvantages, applications, and how it compares with English bonds.
Quick Summary
A Flemish bond brick arrangement places one header and one stretcher alternately in every course, with headers centered over stretchers in the course below. It offers an attractive appearance and adequate structural strength, making it suitable for residential buildings and exposed masonry. Two main variations are double Flemish bond and single Flemish bond.
What is Flemish Bond Brick?
Flemish Bond is the arrangement of bricks with the combination of stretchers (the long narrow side of the brick) and headers (the shorter square side of the brick) in the same horizontal plane (course). The headers are centrally supported by the stretcher on the underlying course. A quoin header is placed at the corner of the wall, marking the beginning of the alternate course. A quoin closer is positioned to the right of the quoin header to promote the face lap
Types of Flemish Bond Brick
Flemish Bonds are of two types- Double Flemish Bond and Single Flemish Bond. Both the bonds vary in the brick-laying pattern and have their own physical properties and characteristics.
Double Flemish Bond
The double flemish bond looks similar on both the interior and exterior faces of the structure. It exhibits good wall thickness and has superior looks and designs. The headers and stretchers are alternatively arranged on the same course. Half-bats and 3/4 bats are used with an odd number of half-bricks. Walls that are made evenly don’t need half-bats.
Single Flemish Bond
This is a combination of Flemish and English brickwork patterns. A double flemish bond is visible on the face, while an English bond serves as the backing, with hearting in each course. The Single Flemish Brick leverages the strengths of both English and Flemish bonds. They have a thickness of one and a half brick size.
Properties of Flemish Bond Brick
- The Flemish bonds are highly resistant and vigorous against dust and stress, making it look more clean and strain-free for a longer time.
- These brick bonds are decorative and make it aesthetically appealing.
- The mortar binding the bricks and closing the joints strengthens and stabilises the wall.
- The bricks are arranged in alternative segments on the same course, which reduces the chances of collapse.
- The arrangement of bricks gives an aesthetically pleasing touch to the structure, even without plastering.
- Both the front and back elevations of the double flemish bond are identical.
- Quoin closers and quoin headers are used in the alternate courses.
- The headers are centrally supported by the stretcher on the underlying course.
Applications of Flemish Bond Brickwork
- Flemish Bond has been widely used in European countries such as Germany, Virginia, England, and Georgia(the country) since the 17th century.
- These bonds can be used for the construction of both internal and external structures such as walls and other structures.
- They are applicable for places that demand more thickness in the structure for one to two bricks, depending on the single flemish or double flemish bond.
- These bonds have the strength and stability to withstand high loads, and they can be used for load-bearing structures.
- This bonding style is attractive, and it can be used for decorative walls for visually appealing purposes.
- As the pattern is more decorative, it can be ideal for non-plastered structures.
- These can be used for garden walls, cavity walls, and partition walls of high thickness.
How to Lay a Flemish Bond Brick Wall?
- Prepare the ground or bed to lay the mortar, where the structure needs to be constructed.
- Lay the mortar of the required consistency on the surface and place the header next to the quoin of half or 3/4 bricks.
- Place the stretcher and header side of the brick in an alternate place on the same horizontal course with a minimal gap, to fill it with the mortar.
- Use a plumb bob and a straight edge to check if the bricks are arranged both vertically and horizontally.
- Lay the mortar over the underlying bricks, setting the bed for the overlay bricks.
- Continue layering with quoin headers and closers on the alternate courses and fill the joints with the mortar.
What is the Difference Between the English and Flemish Bond?
| Flemish Bond | English Bond |
| In the Flemish bond, the headers are centrally supported by the stretcher on the below course. | In English bond, the headers and stretchers are arranged in alternate courses. |
| The Flemish Bond provides one full brick thickness. | The English Bond has a higher thickness than the Flemish Bond, where walls are thicker than 1.5 bricks. |
| These bondings are more aesthetically pleasing. | These bondings are less aesthetic, compared to Flemish. |
| It is a more economical option. However, it requires more skilled labourers to lay the bond. | It is more expensive but requires only intermediate-level skilled labor. |
| These bonds are highly resilient to strain and do not require regular cleaning. | The mortar joints in the English Bond demand more regular cleaning. |
| They have strength, stability and are less prone to collapse. | They have high strength when laid perfectly and have a very low chance of collapsing. |
Conclusion
Flemish bond brick is an excellent choice when aesthetics and structural performance need to be balanced. Its alternating header-and-stretcher pattern creates an elegant finish that has remained popular in residential and architectural construction for centuries. While it requires skilled workmanship and slightly more construction time than some other brick bonds, its attractive appearance makes it ideal for exposed masonry, heritage projects, and decorative walls. Choosing between single and double Flemish bond depends on the building’s structural requirements, budget, and desired architectural finish.
FAQs
1.What is Flemish bond brick?
Flemish bond brick is a brick masonry pattern where headers and stretchers alternate in every course, producing a decorative and structurally stable wall.
2.What are the types of Flemish bond?
The two main types are double Flemish bond, where both wall faces show the Flemish pattern, and single Flemish bond, which combines a Flemish face with an English bond backing.
3.Is Flemish bond stronger than English bond?
No. English bond is generally stronger for heavy load-bearing walls, while Flemish bond offers better appearance with adequate strength for many residential applications.
4.Where is Flemish bond commonly used?
It is commonly used in residential buildings, exposed brick walls, heritage structures, compound walls, decorative facades, and architectural masonry.
5.Why are queen closers used in Flemish bond?
Queen closers help maintain proper bonding at corners, stagger vertical joints, and improve the structural stability of the wall.
6.What are the advantages of Flemish bond brick?
Its main advantages include an attractive appearance, uniform brick pattern, good structural stability, suitability for exposed brickwork, and architectural appeal.
7.What are the disadvantages of Flemish bond?
It requires skilled labour, takes longer to construct, has slightly higher labour costs, and is generally less suitable than English bond for heavily loaded structures.
8.How do I choose between Flemish bond and English bond?
Choose Flemish bond when architectural appearance is a priority and English bond when maximum structural strength and faster construction are more important.
Sowjanya Siddanoor