Exterior Walls Siding and Stucco

Exterior Walls Siding and Stucco

Exterior walls, siding, and stucco are building surfaces and assemblies that enclose occupied spaces and face outdoor conditions. Siding uses attached cladding elements, while stucco forms an applied plaster-like finish over a supporting background. Materials, joints, openings, and connections to roofs or foundations shape the visible facade and its relationship to the layers that manage weather exposure.

The Exterior Building Envelope

The exterior envelope connects roofs, walls, windows, and doors into the boundary between occupied rooms and outdoor conditions. Gutters, cladding, coatings, seals, and junction details address different pathways of weather exposure, making transitions between materials important parts of the wider enclosure.

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