Collection: Expansion Joints
The purpose of an expansion joint is to allow movement to happen within the screed floor, releasing any stress build up to avoid cracking. For both liquid anhydrite and sand and cement screeds, expansion joints should be placed in high stress a. . .
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The purpose of an expansion joint is to allow movement to happen within the screed floor, releasing any stress build up to avoid cracking. For both liquid anhydrite and sand and cement screeds, expansion joints should be placed in high stress areas – these are where large areas are in contact with smaller ones e.g. in L or T shaped rooms. Expansion strips should also be used where UFH tube passes through doorways. In sand and cement screed floors, expansion joints should be fitted when the surface area of the screed is great than 40m² or within any single length of screed greater than 8m.
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