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1) Joint type
Construction Joint
Expansion Joint
2) Width / Depth ratio
2:1 normal
1:1 for trafficked / hydrostatic /all joint width less 10mm Width
3) Movement requirement
Movement Accommodation Factor requirements: ± 10%, 25%, 50%
4) Will staining be a problem?
Sensitive Stone, Rising Dampness
5) Will sealant be immersed in water?
Swimming Pools, Water Features
6) Are joints to be fire-rated?
MEP joints, Head of wall Joints, Penetration & Seals
7) What is the sealant’s environment?
UV exposed
Chemical environment
Trafficked
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