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Siding and Cladding Problems

Brick Veneer

Problem: Cracking of brick veneer.

Cause: Masonry veneer can bend and crack under wind pressures where adequate lateral support is not provided.

Solutions:

  • Corrosion-resistant masonry veneer ties are required for brick veneer that is thicker than 2 15/16 inches (75 mm). Ties must be at least 1/32 inch (1 mm) thick, 7/8 inch (22 mm) wide, and shaped to provide a key with the mortar. Fasteners for ties should penetrate no less than 1 1/4 inches (30 mm) as shown in Figure 48.

Table 1 provides the minimum spacing for vertical and horizontal brick veneer ties.

Table 1 - Brick Veneer Tie Spacing

Maximum Vertical
Spacing In Inches. (mm)

Maximum Horizontal
Spacing In Inches. (mm)

16 (400)

20 (500)

24 (600)

32 (800)

24 (600)

16 (400)

 

Brick Veneer Tie Installation
Figure 48 - Brick Tie Installation

Note 1: Head diameter not less than 1/4 inch (6 mm)

Note 2: Distance from bend not more than 1/4 inch (6 mm)

Note 3: Penetration not less than 1 1/4 inch (30 mm)

Continued.......