Flashing for Construction Arlington VA

Most of the water that enters masonry walls in Arlington gets in at the parapet, roof, and windows. So it's critical that all these spots be flashed properly. To prevent water damage, the entire masonry wall must be designed as a system. Here are tips for flashing a typical masonry wall from top to bottom.

Probuilt Deck And Fence
(301) 474-3550
5110 Roanoke Place, Suite 106
College Park, MD

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Nahmias Home Improvements
(301) 919-1729
14005 Westview Forest Dr
Bowie, MD

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Artitech Construction
(301) 519-6997
7809 Breezy Down Ter
Rockville, MD

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Bozzuto Construction
(703) 379-2402
4220 Campbell Ave
Arlington, VA
 
Perkins + Will
(202) 737-1020
2100 M St., NW
Washington, DC
 
The Engineering Groupe
(703) 670-0985
13580 Groupe Drive, Suite 200
Woodbridge, VA

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Baileys Industries
(301) 916-5140
Po Box 4166615 S. Frederick Ave
Gaithersburg, MD

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Sigal Construction Corporation
(703) 302-1500
2231 Crystal Dr.
Washington, DC
 
Pepco Energy Services
(703) 253-1644
1300 N. 17th St., Ste. 1600
Arlington, VA
 
Mancini Duffy
(202) 463-2340
1627 K St., NW
Washington, DC
 
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Flashing for Construction

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Source: Masonry Construction
Publication date: March 1, 1991

By Christine Beall

Abstract: Most of the water that enters masonry walls gets in at the parapet, roof, and windows. So it's critical that all these spots be flashed properly. To prevent water damage, the entire masonry wall must be designed as a system. Here are tips for flashing a typical masonry wall from top to bottom.IN THE PARAPETExposed on both sides, parapets face severe exposure to wind-driven rain. Parapets are thus a primary source of water entering the wall. To prevent water entry, cap parapets with a cast stone, natural stone, terra-cotta, or metal coping. Slope copings so they drain toward the roof. Place through-wall flashing in the bed joint immediately below the coping or metal cap.AT SHELF ANGLESAt the roofline, install a shelf angle and flashing to separate the parapet from the wall below. Flashing should also be installed at each shelf angle throughout the height of the wall. Extend the flashing from the backup through the exterior wythe. To allow moisture to escape, in the first course above the flashing install weep holes in the head joints every 2 feet on center. It takes both flashing and weep holes to make the system work.LINTELS AND SILLSWhenever possible, set windows and doors back from the face of the wall. This creates a drip that keeps rain off the sealed joint between the window head and lintel. It also creates a shadow line to hide the flashing.

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