The JF 1700 range of conbtrol joints has been designed to prevent problems, such as cracking and tile lifting, that will always appear when the floor covering is laid on large surfaces without any joints.
The joints of the JF 1700 range are used as control joints with fresh mortar-laid floor covering such as tiles, ceramics, marble, natural stone etc. They are suitable for commercial and industrial uses. In general, control joints are used to enclose areas between 25 m2 and 60 m2, with a maximum linear dimension between 5 m and 10 m. The joint must reach a minimum depth of 2/3 of the thickness of the floor covering and its substrate mortar, but preferably the total thickness (substrate mortar + covering).
It comprises side sections and an flexible EPDM insert in black, grey or beige (other colours available on request), vulcanised to two aluminium strips (also available in brass (JF 1700/B) or stainless steel (JF 1700/S)). The bay joints of the 1700 range are available in several heights (20 mm, 30 mm, 40 mm and 50 mm) and in the width of 9 mm according to the project requirements. Length of 2.50 lm.
The control joints of the JF 1700 range are available in black, grey and beige (other colours on request). The metal strips have notches to secure the rods for a better anchor to the screed. The bay joints of the JF 1700 range can also be supplied with plain metal strips for retrofitting.
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