Cladding units for building and seal structure for joint thereof

A seal structure comprised of a T-shaped joint formed by a first and a second cladding unit arranged in an adjoining state and a third cladding unit arranged astraddle said two adjoining cladding units,

• said cladding units each comprising a cladding member comprised of a framework and a face member attached to one side face of the framework and fastener stringers of a waterproof slide fastener attached to outer lateral parts of said cladding member, said fastener stringers each comprising a waterproof tape and an engaging part having a plurality of coupling elements attached to said waterproof tape spaced at fixed intervals along one longitudinal edge of the tape;
• a first joint between said first and second cladding units being sealed by coupling the engaging parts of opposed fastener stringers of said first and second cladding units in the adjoining state;
• a second joint between said first and third cladding units and a third joint between said second and third cladding units being sealed by coupling said engaging parts of said fastener stringers of said first and second cladding units with the opposite engaging part of said fastener stringer of said third cladding unit;
• a T-shaped backup member being disposed in a T-shaped joint resulting from the intersection of said first, second, and third joints and
• end parts of said fastener stringers being continuously sealed with a wet sealing material packed in said T-shaped backup member.

A sealed cruciform joint comprising:

• first, second, third and fourth cladding units, each having a framework with a vertical and a lateral framework portion and a face member attached to one side face of said framework, each of the cladding units arranged spaced apart and relative to one another defining a cruciform joint having a vertical joint portion and a horizontal joint portion;
• a waterproof slider fastener stringer attached to each of said cladding units along said vertical and said horizontal joints, said fastener stringers each having a waterproof tape and an engaging part along one longitudinal free edge of said waterproof tape, the engaging parts having a plurality of coupling elements;
• a vertical sealed joint defined by a coupled engagement of said coupling elements along said vertical joint portion;
• a horizontal sealed joint defined by a coupled engagement of said coupling elements along said horizontal joint portion;
• a cruciform backup member disposed in said cruciform joint at an intersection of said horizontal joint portion and said vertical joint portion;
• and
• a wet sealing material packed in said cruciform backup member sealing between said cruciform backup member and end parts of said fastener stringers.