Use of One-Third Bond Avon Lake OH

One-third bond is used whenever the length of the unit is three times the depth of the unit. This is the case with Roman, Norman, and utility modern brick units, which are nominally 12 inches long and 4 inches deep.

Frank'S Masonry Inc
(440) 933-3548
32579 Groveland Dr
Avon Lake, OH
 
Masonry Seal Corp
(440) 324-5400
7585 Race Rd
North Ridgeville, OH
 
Campana Baldo J Masonry
(440) 777-0286
5819 Barton Rd
North Olmsted, OH
 
Island Masonry Llc
(440) 235-0078
26934 Bagley Rd
Olmsted Falls, OH
 
Passanisi Services Inc
(440) 984-2322
166 Penrose Court
Elyria, OH
 
Chimney And Masonry Co
(440) 835-1499
1055 Bradley Rd
Westlake, OH
 
Chimney Screens Inc
(440) 327-7777
36084 Center Ridge Rd
North Ridgeville, OH
 
Anderson Industrial Construction Co
(216) 676-9401
PO Box 385
North Olmsted, OH
 
Bellottie Brorhers Construction
(440) 323-6913
10329 Murray Ridge Rd
Elyria, OH
 
Q PS
(440) 323-8304
45085 Telegraph Rd
Elyria, OH
 

Use of One-Third Bond

Provided By:

Source: MASONRY CONSTRUCTION MAGAZINE
Publication date: August 1, 2000

I have seen many masonry walls built with one-third bond instead of the traditional half bond in a running bond pattern. When is one-third bond used?

One-third bond is used whenever the length of the unit is three times the depth of the unit. This is the case with Roman, Norman, and utility modern brick units, which are nominally 12 inches long and 4 inches deep. It is also true with nonmodular units that are nominally 3 inches deep, 9 inches long, and 3 inches high. The one-third bond is needed to properly form corners, offsets, and returns at windows. In these situations, the brick units are turned 90 degrees so that the end of the brick is exposed. This will determine the bond pattern. The one-third bond gives a different appearance and a different character to the masonry wall.

It is sometimes the depth of the unit that will determine the bond pattern. The thickness of the 3-inch-deep nonmodular units is approximately 5/8 inch to 3/4 inch less than standard modular units. This makes the walls slightly lighter and can permit the use of wider cavities when, due to space constraints, the overall thickness of the wall must be minimized.

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