Weep hole insert (10, 10) comprising a tubular body (12) defining an air flow conduit (14) extending therethrough, along axis (L), from a first open end (12a) to a second open end (12b) of the body. Grate (16) comprises a perforated body (16a) configured to permit air flow but to inhibit passage of embers and sparks. In an operative configuration, perforated body (16a) extends across the conduit (14). Elastically compressible member (16c) is engageable between perforated body (16a) and an interior surface of body (12) to releasably secure the perforated body in the operative configuration. When engaged between body (16a) and the interior surface of body (12), member (16c) is elastically compressed from an expanded configuration to a compressed configuration by a distance of at least a wall thickness (T) of body (12) at its point of engagement by member (16c).

Weep hole insert (10, 10) comprising a tubular body (12) defining an air flow conduit (14) extending therethrough, along axis (L), from a first open end (12a) to a second open end (12b) of the body. Grate (16) comprises a perforated body (16a) configured to permit air flow but to inhibit passage of embers and sparks. In an operative configuration, perforated body (16a) extends across the conduit (14). Elastically compressible member (16c) is engageable between perforated body (16a) and an interior surface of body (12) to releasably secure the perforated body in the operative configuration. When engaged between body (16a) and the interior surface of body (12), member (16c) is elastically compressed from an expanded configuration to a compressed configuration by a distance of at least a wall thickness (T) of body (12) at its point of engagement by member (16c).

Described is moisture-controlling insulation apparatus that allows water and moisture to move from the space between an interior and exterior wall of a building to a drainage system. The water moves along a series of interconnecting channels in the apparatus. The channels are configured such that water will not settle in the channels before reaching the drainage system.

This disclosure provides for a valve assembly for regulating the flow of fluid through a weep hole, including a flow regulator positioned within the weep hole. The flow regulator has an open position where fluid is allowed to flow through the weep hole, and a closed position where fluid is prevented from flowing through the weep hole. Also provided is a building having a plurality of flow regulators positioned relative to external sheathing of the building to regulate flow between a wall cavity of the building and an external environment. Additionally, a method for regulating the ingress and egress of fluid through external sheathing of a building is provided. The method includes positioning a plurality of flow regulators relative to external sheathing, and regulating flow between the wall cavity and an external environment using the flow regulators.

Disclosed herein is a weep hole insert (10, 10) for providing a barrier in a weep hole (11). A handle (24, 24) for facilitating insertion of the insert (10, 10) in the weep hole (11) is also disclosed.