Flashing at Sills East Setauket NY

Sill flashing in East Setauket 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

Palmedo Assoc
(631) 751-2474
100 N Country Rd
East Setauket, NY
Eastwood Associates
(914) 682-2189
50 Main St
White Plains, NY
Vision Builders
(212) 690-1409
298 W 149th St
New York, NY
Wallack Management Co Inc
(212) 744-2007
860 5th Ave
New York, NY
Teambuilders Inc
(212) 532-4453
386 Park Ave
New York, NY
Arain Enterprises Inc
(631) 689-3021
210 N Belle Mead Rd
East Setauket, NY
Natoma Managmnt Co Inc
(631) 283-3331
222 White St
Southampton, NY
Michele Hunt
(212) 333-2112

New York, NY
R P N Management Co
(718) 823-9780

Bronx, NY
Eeo Compliance Svces
(914) 699-5538
6 Gramatan Ave Ste 202
Mount Vernon, 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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