Flashing at Sills Hilton NY

Sill flashing in Hilton controls water that penetrates through the masonry sill and helps control water penetrating the perimeter sealant joint around the windows. The sill flashing will prevent water from saturating the top of the masonry beneath the sill.

Local Companies

Lebarbour Assoc Inc
(585) 392-5571
390 Lake Shore Dr
Hilton, NY
Staropoli Consulting Inc
(585) 392-8900
400 Andrews St Ste Ste
Hilton, NY
Brm Management
(212) 244-9094
1 Pennsylvania Plz
New York, NY
Consults-4-Less
(607) 387-4537
1942 State Route 96
Trumansburg, NY
Antone Aboud Associates Inc
(518) 482-2878

Albany, NY
Architectural Landscape Lighting Design LLC
(585) 503-0697
66 Strohm St.
Rochester, NY
Webs & Wings
(585) 392-3601
215 Curtis Rd
Hilton, NY
Glenwood Management Corp
(212) 774-1970
500 E 77th St Apt 1535
New York, NY
Edmar Management Corp
(718) 224-4410
142 Cochran Pl
Valley Stream, NY
Evergreen Management
(718) 665-5410
384 E 149th St Ste 424
Bronx, NY

Provided By:

Source: MASONRY CONSTRUCTION MAGAZINE
Publication date: July 1, 2000

Why do people install flashings beneath masonry sills? Are they required if a single-piece stone sill is used?

Sill flashing controls water that penetrates through the masonry sill and helps control water penetrating the perimeter sealant joint around the windows. The sill flashing will prevent water from saturating the top of the masonry beneath the sill. These flashings are especially important when using rowlock brick sills or other sills that have many joints. Multiple joints increase the risk of developing excessive water penetration into the masonry below.

In hot humid climates, sill flashings may also be helpful in preventing hot humid cavity air from condensing on the underside and perimeter of the window. In this case, the sill flashings should be integrated with a cavity seal at the window head and jambs.

When using a single-piece stone or precast concrete at a window, the flashing is less important. Very little water will penetrate a single-piece stone or concrete sill. Flashings, however, are still useful in controlling water penetration at perimeter sealant joints or preventing hot humid cavity air from reaching the perimeter of the window. Where flashing is not used, the stone or precast concrete sill should project beyond the face of the masonry and contain a drip. This will prevent water penetration at the joint beneath the sill. This joint will often crack due to differential m...

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