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// CODE SNIPPET

1404.4 Flashing

Building Code 2018 of Illinois > 14 Exterior Walls > 1404 Installation of Wall Coverings > 1404.4 Flashing
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Flashing shall be installed in such a manner so as to prevent moisture from entering the wall or to redirect that moisture to the exterior. Flashing shall be installed at the perimeters of exterior door and window assemblies, penetrations and terminations of exterior wall assemblies, exterior wall intersections with roofs, chimneys, porches, decks, balconies and similar projections and at built-in gutters and similar locations where moisture could enter the wall. Flashing with projecting flanges shall be installed on both sides and the ends of copings, under sills and continuously above projecting trim. Where self-adhered membranes are used as flashings of fenestration in wall assemblies, those self-adhered flashings shall comply with AAMA 711. Where fluid applied membranes are used as flashing for exterior wall openings, those fluid applied membrane flashings shall comply with AAMA 714.

1404.4.1 Exterior Wall Pockets

In exterior walls of buildings or structures, wall pockets or crevices in which moisture can accumulate shall be avoided or protected with caps or drips, or other approved means shall be provided to prevent water damage.

1404.4.2 Masonry

Flashing and weep holes in anchored veneer designed in accordance with Section 1404.6 shall be located not more than 10 inches (245 mm) above finished ground level above the foundation wall or slab. At other points of support including structural floors, shelf angles and lintels, flashing and weep holes shall be located in the first course of masonry above the support.

Related Code Sections


1404.10.1.2 Exterior Walls, Flashing
Flashing shall comply with the applicable requirements of Section 1404.4 and the following ...
Building Code 2018 of Illinois > 14 Exterior Walls > 1404 Installation of Wall Coverings > 1404.10 Adhered Masonry Veneer > 1404.10.1 Exterior Adhered Masonry Veneer > 1404.10.1.2 Flashing
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Flashing shall be installed in such a manner so as to prevent water from entering the wall and roof through joints in copings, through moisture ...
Building Code 2018 of Illinois > 15 Roof Assemblies and Rooftop Structures > 1503 Weather Protection > 1503.2 Flashing
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At the juncture of the roof and vertical surfaces, flashing and counterflashing shall be provided in accordance with the manufacturer's installation ...
Building Code 2018 of Illinois > 15 Roof Assemblies and Rooftop Structures > 1507 Requirements for Roof Coverings > 1507.9 Wood Shakes > 1507.9.9 Flashing
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