Flashing Factors Elmira 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 Elmira.

Local Companies

Savino John B
(607) 732-7352
118 Joyell Dr
Elmira, NY
Fine Masonry
(845) 469-2382
203 Laroe Rd
Chester, NY
Pavers Plus Inc
(631) 732-3966
15 Parkwood Ln
Selden, NY
Rok Constr Inc
(914) 238-4659
149 Devoe Rd
Chappaqua, NY
Brothers Concrete
(631) 673-7282
116 Beverly Rd
Huntington Station, NY
Cystal Valley Excavation/Mulch/Gravel
607-765-8124
20 River Road
Corning, NY
Island Increte
(516) 333-0961
496 Grand Blvd
Westbury, NY
Pantaleo Capparelli General Contractor
(914) 698-9286

Mamaroneck, NY
Caruso Constr
(516) 794-4918
1806 Stone Ave
East Meadow, NY
Gappsi Inc
(631) 543-1177
1015 W Jericho Tpke
Smithtown, NY

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
- High-Efficiency Products Elmira NY
This article talks about green products such as wooden wall. The WD66 wood folding glass wall system comes with krypton-filled Heat Mirror glazing, providing an energy-efficient solution for large openings. The glass has a 0.23 U-factor and an SHGC of 0.31.
- Home Exterior Products Elmira NY
- Home Siding Tips Elmira NY
- Flashing and Sill Products Elmira NY
- Flashing in Siding Installations Elmira NY
- Eco-Friendly Products Elmira NY
- Flashing at Sills Elmira NY
- Green Products - Product Reviews Elmira NY
- Inner Corner at Base of Wall Elmira NY