Flashing Factors Uniondale 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 Uniondale.

Local Companies

Great Neck Saw Manufacturers
(516) 746-5352
165 East Second Street
Mineola, NY
Vintage Homes, Inc.
917-642-2390
15 Cuttermill Road
Great Neck, NY
Durafford Construction & Waterproofing, Inc.
718-395-7668
General Contractor
E. Elmhurst, NY
JC Homecare
631 756 5600
200 Rt 110
Farmingdale, NY
Uvs Construction
(718) 554-0426
Beach 74Th St
Arverne, NY
Arcon Construction Services
(212) 752-3261
411 E 57th St
New York, NY
jbs construction & waterproofing
(347) 583-5313
1149 white plains rd
bronx, NY
UNITED CRANE RIGGING DEMOLITION
718-726-6111 973-384-5904
11-14 35TH AVENUE
LIC, NY
LSB Construction, Inc.
(917) 338-4960
1590 York Avenue, Suite 3B
New York, NY
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
- Home Siding Tips Uniondale NY
After installing window and door trim, either make flashing using a sheet metal brake or apply flashing pre-bent to the correct trim size. Nail your flashing to the wall, not to the trim, because if you put holes in the flashing, you've defeated its purpose.
- Flashing in Siding Installations Uniondale NY
- High-Efficiency Products Uniondale NY
- Inner Corner at Base of Wall Uniondale NY
- Eco-Friendly Products Uniondale NY
- Green Products - Product Reviews Uniondale NY
- Home Exterior Products Uniondale NY
- Flashing at Sills Uniondale NY
- Flashing and Sill Products Uniondale 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