Flashing at Sills Kings Park NY

Sill flashing in Kings Park 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

Public Power & Utility Inc
203-333-6969
3 Parklands Drive
Darien, CT
Mac Consultants
(631) 265-7700
28 Henry St
Kings Park, NY
Yellowfin Capital Management Llc
(631) 287-5300
71 Hill St
Southampton, NY
Forte Management Llc
(212) 509-8907
40 Wall St
New York, NY
Empire Commercial Services Lp
(718) 727-9572
543 Cary Ave
Staten Island, NY
Illuminetrix, Inc
516-798-1309
87 Pennsylvania Avenue
Massapequa, NY
Dot Fleet Service Inc
(631) 269-4750
294 Old Northport Rd
Kings Park, NY
Compass & Pace
(518) 548-6650
1 Arrowhead Rd
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Korn Consulting Group Inc
(212) 734-6200
151 E 83rd St Apt 4A
New York, NY
Priority Management Systems-Bill Shepard & Associates
(716) 831-9390
4248 Ridge Lea Rd
Buffalo, 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...

Click here to read full article from Masonry Construction

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