Seals safely with maximum simplicity

Joints and sealants

Waterstop - hydro-expanding mastics

Waterstop - hydro-expanding mastics


Hydro-expansive profile based on AMPHIBIA copolymer in EPDM reinforced with a steel mesh, creates optimal sealing of construction joints, construction joints and passage elements

The advantages of WT CONSTRUCTION

  • Versatile, adapts to various types of conditions, wet, rough, uneven, sloping, vaulted or ceiling supports, from -20°C to +50°C
  • Quick and easy application by simply nailing
  • Strong mechanical anchoring, does not shift during casting, impact-resistant
  • Excellent adhesion to the substrate even during casting, adhesion increases as expansion increases in contact with water


Download the documentation

Scarica e guarda la documentazione completa (zip) relativa a WT CONSTRUCTION

Technical data sheets

Safety data sheets

  • SS_WT CONSTRUCTION_Rev. 1.0 12_02_2024_EN.pdf Download


Technical drawings

  • DS_AMPHIBIA with diaphragm walls_443_EN.pdf Download
  • DS_Internal waterproofing of existing basement with PLASTIVO and AMPHIBIA_446_EN.pdf Download
  • DS_Connection between AQUASCUD SYSTEM on the sloped screed and AMPHIBIA 3000 GRIP on foundation wall_658_EN.pdf Download
  • DS_Construction joint with AMPHIBIA 3000 GRIP under the slab and PLASTIVO on the foundation walls_516_EN.pdf Download
  • DS_Raft foundation with piles - AMPHIBIA around pile head_452_EN.pdf Download
  • DS_Construction joint with AMPHIBIA pre-applied against formworks_454_EN.pdf Download
  • DS_Lift pit with AMPHIBIA_514_EN.pdf Download
  • DS_Connection between AMPHIBIA under the raft foundation and AMPHIBIA installed vertically on the internal side of formworks before casting the walls without raft foundation toe_517_EN.pdf Download
  • DS_Tanking with BI MORTAR PLASTER SEAL, PLASTIVO and AMPHIBIA_518_EN.pdf Download
  • DS_AMPHIBIA 3000 GRIP - Intermediate slab_659_EN.pdf Download
  • DS_Air shaft with AMPHIBIA and PLASTIVO_660_EN.pdf Download
  • DS_Recoverable metal sheet piles with AMPHIBIA - Plan view - Horizontal section_663_EN.pdf Download
  • DS_AMPHIBIA installed on slurry walls existing structures - sealing of penetrations_665_EN.pdf Download
  • DS_BREAK - Axonometry_667_EN.pdf Download
  • DS_Horizontal construction joint (cold joint) - raft foundation with AMPHIBIA_670_EN.pdf Download
  • DS_Lift pit with AMPHIBIA_671_EN.pdf Download
  • DS_Dewatering well with AMPHIBIA_672_EN.pdf Download
  • DS_Construction joint with AMPHIBIA pre-applied on formworks without toe_673_EN.pdf Download
  • DS_Construction joint with AMPHIBIA pre-applied against formworks_674_EN.pdf Download
  • DS_RC raft foundation with AMPHIBIA - expansion joint with WT EXPANSION_677_EN.pdf Download
  • DS_Connection between AMPHIBIA 3000 GRIP and bituminous waterproofing membranes_683_EN.pdf Download
  • DS_AMPHIBIA 3000 GRIP - Raft foundations at different heights_684_EN.pdf Download

Brochures and depliants

Extra content

Waterproofing of basements and underground structures Infiltrations Flooding Rising dampness Cracks Mould Weakening Rust
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