To manage water penetration through capillary action

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Design approaches to manage water-driving forces through cladding
To minimize the forces of water penetration by gravity, the following should be provided:

drainage holes for all horizontal surfaces that can act as troughs;
a minimum slope of two percent on horizontal surfaces to prevent flow to the interior;
gaskets or sealants for closed vertical joints within whatsapp number database a two-stage joint; and
shielding for open joints.
:

drainage and vent holes should be at least 11 mm (7/16 in.) wide to avoid bridging by water; and
thicker materials should be chosen to delay or minimize water absorption.
To minimize water penetration because of air pressure difference:

some degree of pressure equalization must be achieved across the cladding, its joints, and junctions; and
air pressure across the cladding is a function of the effectiveness of the WRB system, the size of the venting in the cladding, the volume of air chamber between the weather barrier, and the stiffness of the chamber.