Put an end to corrosion & water ingress by self-healing fully amorphous visco- elastic technological systems Solution for Risers
soil to air transition
Current problems Ageing of existing coatings Material stresses Soil movement No CP Water level Weldseam Harmed by humans and/or animals
Ageing of bitumen coating
Casted in concrete: no control possible
Results after concrete removal
Weldseam corrosion under stiff tapes (tenting)
Mechanical damages
Soil movement
Damage caused by animals
Weathering conditions
Pipe pressure
Influences Sun and rain Moisture Heat and cold Pipe pressure Pipe temperature Soil movement Damages by people (cutting grass) Damages by animals
Critical item of pipeline network
Overview of STOPAQ solutions
Underground – Cathodic Protection
Soil movement
Impact of seasonal changes
Temperature changes
STOPAQ SYSTEM STOPAQ ® Wrappingband CZH Standard corrosion prevention STOPAQ ® Outerwrap PVC Standard mechanical protection STOPAQ ® Polyester UV curing wrap material High resistance to shear and mechanical impact STOPAQ ® Vinylester UV curing wrap material High resistance to shear and mechanical impact High chemical resistant STOPAQ ® Outerglass Shield XT Moisture curing Polyurethane composite wrap High resistance to shear and mechanical impact STOPAQ ® Glass Reinforced Epoxy (GRE) Fast curing composite wrap High resistance to shear, mechanical and Chemical impact STOPAQ ® Gelcoat Improvement of UV resistance esthetici layer STOPAQ ® Sealing tape ( vulcanizing ) Layer 1; Layer 2; Layer 3; Layer 4; Fixation;
Easy and fast to apply Surface preparation only St 2/3 1-Component Material No special tools No primer Permanently flexible No curing No degredation Easy to cut and shape No waste NSF approved High performance Warranty 30 years STOPAQ CZH: amorphous and inert material
Possibilities
Application 1; cleaning Excavation Wirebrush or Blasting
Apply in upward direction Wrap with 10mm overlap Wrap min 100mm on top of existing coating Application 2; STOPAQ Wrappingband CZH(T)
PVC layer creates barrier between CZH & Glassfiber Apply in upward direction with 50% overlap Application 3; STOPAQ Outerwrap PVC
Apply mechanical toplayer in upward direction 50% overlap Application 4; STOPAQ Mechanical protection
Application 5; Stretch foil Apply foil for curing Apply about 2 layer
Brush application 1c Gelcoat Every colour is possible Smooth surface Chemical resistance UV-Resistance Application 6
Application pictures