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Floor to Wall Expansion Joint

Short Description:

Featuring Centering Bar System

Suitable for 50,75,100,125,150 mm joint gap


Product Detail

Product Tags

Hanyi aluminum expansion joint is designed for interior and exterior applications. The aluminum center plate design is anchored to the wall to allow movement over the support base. Joint sizes range from 100mm~250mm.

Fire barrier and water barrier provides the solution for project's waterproof and fire retardant needs.

The center plate can adapt to any kind of tiles by painting it to any kind of colors. This type of expansion joint is often applied in the shopping malls, office buildings and airports.

F-WTM (3)
F-WTM (1)
F-WTM (2)

Specification

Products-2
Products-3

Water seepage and prevention of expansion joint cover

Phenomenon and harm

The walls on both sides of the expansion joint cover are wet and seeped, causing pollution and black mold on the wall, which affects the appearance.

Cause Analysis

⑴The expansion joint cover structure does not meet the requirements of the specification, and there are inclusions in the joints that do not penetrate, resulting in a rigid structure, which changes the performance of the expansion joint cover, causing uneven settlement of the building, and part of the wall is cracked.

⑵The sealing material embedded in the expansion joint cover has poor water tightness, and the structure of the cover is wrong, which cannot meet the normal operation of the expansion joint cover, which causes the cover to be pulled apart and leaks.

Precaution

⑴ The expansion joint cover of the settlement joint foundation and ring beam concrete must be disconnected, and the construction should be separated by wooden boards.

⑵It is strictly forbidden to fall into the masonry mortar and other sundries in the expansion joint cover. The joints should be kept clean and penetrated, and the galvanized iron plate should be filled with oil hemp wire according to the specification. The production of the airtight iron-plated cover plate shall meet the requirements of the expansion joint cover’s work structure to ensure settlement and extension.

The normality of shrinkage. The installation cover must be neat, flat and firm, and the joints must be crimped tightly along the water direction.

⑶ Water-stop layer should be set in the wall expansion joint cover to ensure the water tightness of the expansion joint cover. ①Install a waterstop made of metal or synthetic rubber, synthetic resin, etc.; ②Use a deformable metal plate as a waterstop; ③fill an elastic sealing material as a waterstop.

Governance method

⑴ Expansion joint covers originally caulked with elastic materials should be cleaned of failed caulking materials, floating dust and debris in the joints, and backing materials shall be installed after the joint walls have dried, and the sealing materials shall be filled in layers. The sealing material and the seam wall should be tightly sealed.

⑵The expansion joint cover that originally used the metal folded plate cover seam should be replaced with the rusted and damaged metal folded plate. The folded plate should be overlapped in the direction of water flow, and the overlap length should not be less than 40 mm. The metal folded plate should be anchored on the brick wall after anti-rust treatment, and the screw eye should be filled and sealed with a sealing material similar in color to the metal folded plate


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