Page 53 - PH_Masonry_Final_Ver 1_July 2020

Flemish Bond

This brick bond consists of alternate header and stretcher
in each course. The following are some features of Flem-
ish bond.

 This bond creates better appearance than English Bond.

 The queen closer is put next to quoin header in alter-
nate course to develop face lap.

 Every header is centrally supported over a stretcher

below it.

 Half bats and three quarter bats are used for walls having thickness equal to odd number of
half bricks.

 This bond is not as strong as English bond and is not used generally.

Rat-Trap Bond

Rat-trap bond is laid by placing bricks on their sides having a

cavity of 4 (100 mm), with alternate course of stretchers and
headers. The following are some features of R trap bond.

 The headers and stretchers are staggered in subsequent

layers to give more strength to the walls.

 The strength of R trap bond is equal to the standard
9" (229mm) brick wall but consumes 20% less bricks, 24%

less cement and 25% lesser weight than English bond.

 This bond helps in maintaining a good thermal comfort inside the building.

Flemish Variation Bond (Flemish garden wall bond):

A brick bond for lightly loaded walls that consists of alternating three stretchers and a header

Participant Handbook : Masonry 53