Brick Masonry Techniques Part II

New Home Construction

WALL TIES

• Twenty-two gauge galvanized steel 
• Eight-penny cement coated nail to fasten; nail within one half inch of bend 
• Cover half of brick with wall tie; back 5/8” from face to prevent staining
• One wall tie per 2.67 square feet 
• Modular: one wall tie every 6th course; sixteen inches vertically
• Every sixteen inches vertically & horizontally
• Only with wood stud framing and 1“ air space (Max & Min)

WEEP HOLES

• Weep hole every sixteen inches recommended by Brick Industry Association. 
• Open head joint or cell vent for weep hole at base of wall

MORTAR NETTING DEVICES

• Prevent excess mortar from blocking weep holes
• Prevent excess mortar from forming a bridge to allow water to penetrate the wall

HOUSE WRAP

• Fifteen pound felt satisfies code in Southeast; please check your local code for complete details.
• Overlap flashing with house wrap by two inches
• Overlap house wrap by six inches with each roll

Stay tuned for Part III where we discuss the importance of flashing around building openings.