Flashing Factors Larchmont NY

Rowlock brick sills contain many joints and are particularly susceptible to water penetration. For this reason, I do not recommend their use in freeze-thaw environments in Larchmont.

Local Companies

Stephen Wang Associates
(212) 829-9494
135 E. 55th Street
New York, NY
BRP Spray Foam Insulation
203 570-8502
200 Belltown rd
Stamford, CT
Fox Hill Builders, Inc.
(203) 655-9046
1921 Post Road
Darien, CT
Andrew's Interior Restoration
(201) 660-4268
1708 Kerrigan Ave
union city, NJ
Van Go General Contracting
(201) 387-9013
326 So. Washington Ave
Bergenfield, NJ
Elmont glass
516 248 8860
2145 jericho tpke
Garden city park, NY
Personal-Touch Home Care Inc.
(718) 468-2500
186-18 Hillside Avenue
Jamaica, NY
VISCO ASBESTOS REMOVAL
516 547 2510
235 ROBINS LA
SYOSSET, NY
Saugatuck Construction Group
(203) 323-6500
Darien, CT
Gotham Builders
800-444-4923
203- 20 Rocky Hill Road
Bayside, NY
Data Provided by:
  

Provided By:

Source: MASONRY CONSTRUCTION MAGAZINE
Publication date: October 1, 2005

Should flashing be used beneath rowlock brick window sills? If through-wall flashing is installed beneath these rowlocks, how are the sills anchored? If the anchors penetrate the flashing, does this lead to deterioration of the masonry below in freeze-thaw environments?

Rowlock brick sills contain many joints and are particularly susceptible to water penetration. For this reason, I do not recommend their use in freeze-thaw environments.

When they are used in freeze-thaw environments, however, the flashing beneath them is critical to prevent water from saturating the top of the masonry wall below. Snow and ice collects on the rowlock sills. When they melt, water can penetrate the sills and refreeze, resulting in deterioration. This scenario is a particular problem with the anchorage of these sills because they break apart.

When rowlock sills are used, they can be anchored using galvanized corrugated wall ties in the head joint between every fourth to sixth brick unit. When possible, I prefer that these anchors be attached to the backup wall on the vertical face, behind the sill.

It also is possible to extend flat strap anchors through the flashing. However, any penetrations through the flashing must be carefully sealed.

Click here to read full article from Masonry Construction

Related Articles
- Flashing in Siding Installations Larchmont NY
A constant problem that contractors see in siding installations is improper flashing or, even worse, no flashing at all. Relying on caulk alone to keep water from leaking into homes is not a good practice. Whether you're talking about wood, fiber-cement, or vinyl siding, three areas in particular can prove problematic.
- Flashing and Sill Products Larchmont NY
- Green Products - Product Reviews Larchmont NY
- High-Efficiency Products Larchmont NY
- Eco-Friendly Products Larchmont NY
- Inner Corner at Base of Wall Larchmont NY
- Home Exterior Products Larchmont NY
- Home Siding Tips Larchmont NY
- Flashing at Sills Larchmont NY
Related Local Event
Long Island Building & Facility Maintenance Show
Dates: 5/5/09 - 5/8/20
Location: David S. Mack Sports & Exhibition Complex - Hofstra University
Hempstead, NY
View Details