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A common problem with Movement Joints is the breaking out of the profile. This can be caused by poor workmanship in the anchoring of the profile fixing flange. However if the infill material is too stiff, the natural resistance of the joint will overcome the strength of the anchorage and the joint will break free.

British standard requires a minimum movement absorption capacity of 20% of the infill width. Our infill exceeds this figure with a minimum capacity of 30% in both extension and compression.

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