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  • Below Ground Tanking & Waterproofing - Torch Applied Sheet Membranes, Cold Applied Sheet Membranes, Liquid Applied Membranes, Blindside Waterproofing, Thermofusible Waterproofing, Bentonite Waterproofing, Crystalline Waterpoofing, Calcium-Silicate-Hydrate Gel Waterproofing, Anti-Root Additives, Injection Waterproofing, Green Concrete Waterproofing, Negative Side Waterproofing, Expansion Joint Sealants, Expansion Bandage, Reinforcement Bandage, Protection Board, Drainage Cells & Drainage Sheet. 
  • UV Stable, Trafficable & Exposed Waterproofing - Torch Applied Sheet Membranes, Cold Applied Sheet Membranes, Liquid Applied Membranes, Thermofusible Waterproofing, Anti-Slip Additives, Protective Coatings, Vehicular Traffic Coatings, Calcium-Silicate-Hydrate Gel Waterproofing, Expansion Joint Sealants, Expansion Bandage, Reinforcement Bandage, Injection Waterproofing & Crack Repair. 
  • Under Screed Waterproofing - Torch Applied Sheet Membranes, Cold Applied Sheet Membranes, Liquid Applied Membranes, Thermofusible Waterproofing, Expansion Joint Sealants, Expansion Bandage & Reinforcement Bandage. 
  • Under Tile & Vinyl Waterproofing - Cold Applied Direct Tile Stick Acoustic & Sheet Membranes, Liquid Applied Membranes, Thermofusible Waterproofing, Expansion Joint Sealants, Expansion Bandage & Reinforcement Bandage. 
  • Moisture & Anti-Microbial Barriers - Liquid Applied Membranes, Calcium-Silicate-Hydrate Gel Waterproofing, Expansion Joint Sealants, Injection Waterproofing & Crack Repair. 

Decorative Concrete(Internal & External) - Epoxy Flake Systems, Epoxy Fleck Systems, Epoxy Systems, Epoxy Coving, Resurfacing Systems, Stencil Pattern Systems, Resealing Systems, Sports Coating & Recoating Systems, Pebble Mix Systems, Sealers, Expansion Joint Sealants, Anti-Graffiti Coatings, Anti-Slip Additives & Coatings, Crack Repair, Anti-Fungal Treatments, Acid Washing & Pressure Cleaning. 

J.T. Welch will only be using Water Based Products from this point forward. 

It is advised for Below Ground Waterproofing to use appropriate Drainage Systems. 

Contact Details

65a Faraday Road, Croydon South, Victoria, 3136 

Office: 03 9005 8490 Fax: 03 9923 6638 Mobile: 0413 543 125