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Engineering System Specifications

Wet Areas: Bathrooms & Kitchens

Create a continuous, tile-ready wet-area system with disciplined detailing at every change of plane and penetration.

Wet Area Moisture Splash & Humidity Challenge

Wet areas experience daily water splash, high humidity, soap chemicals, and expansion/contraction at joints and drains. Leakage causes dampness, mold growth, efflorescence in adjacent rooms, and damage to structural slabs.

Application Selection Guidance

Specify Geobit flexible 1K/2K cementitious coatings or elastomeric acrylic membranes for wet areas. These systems are easy to apply around pipe sleeves, drains, and floor-wall joints. Concrete joints, wall corners, and pipe penetrations must be reinforced with elastomeric joint tapes and flexible sealants prior to applying the membrane.

Wet Areas: Bathrooms & Kitchens Detail
Technical Layout
Wet Areas: Bathrooms & Kitchens Assembly Profile

Slab cleaning, pipe sleeve sealing, and cementitious coving at wall-floor junctions.

Eco-friendly penetrating bitumen or acrylic primer binding dust.

Recommended Products & Materials:

Seamless 2-component flexible polymer-modified cementitious waterproofing slurry.

Recommended Products & Materials:

Bitumen mastic or elastomeric PU sealant application around drainage floor traps and pipe penetrations.

Recommended Products & Materials:

Alkali-resistant mesh embedded at pipe collars and floor corners.

Recommended Products & Materials:

Flexible polymer-modified tile adhesive applied over cured waterproofing layer.

Recommended Products & Materials:

Quality Control Hold Points & Inspections

Standard compliance flow for engineered systems application
Substrate Acceptance
Detail & Joints
Material Logs
Adhesion & Tests
Final Inspection
Hold Point 01 / 05 Mandatory Sign-off
Stage 1: Substrate Acceptance & Preparation

Ensure concrete is smooth, dust-free, and coves/chamfers are created at all wall-to-floor junctions.

Verification Checklist
  • Moisture verification
  • Surface profile inspection
  • Laitance removal check
Hold Point 02 / 05 Mandatory Sign-off
Stage 2: Detail & Joint Approval

Check that puddle flanges are installed flush with the concrete substrate.

Verification Checklist
  • Expansion joint treatment
  • Coves & upstands mesh
  • Pipe penetration sleeves
Hold Point 03 / 05 Quality Logs
Stage 3: Material & Mixing Logs

Verify that flexible joint tapes are embedded in the wet coat at all corners.

Verification Checklist
  • Batch number logs
  • Mixing ratio checks
  • Consumption rate logging
Hold Point 04 / 05 Mandatory Sign-off
Stage 4: Adhesion & Tests

Plug the drains and perform a 24-hour flood test with a minimum water depth of 50mm.

Verification Checklist
  • Hydrostatic flood testing
  • Pull-off adhesion testing
  • Spark/Continuity checking
Hold Point 05 / 05 Final Approval
Stage 5: Final Inspection

Check that the membrane is dry and compatible with the cementitious tile adhesive used for tile installation.

Verification Checklist
  • Flashing and termination
  • Protection board verify
  • Pre-backfill compliance

Matching System Products & Functional Roles

Select Category:
Primer and substrate preparation
Bitumen Primer - Water-Based & Solvent-Based

Use within the protected bituminous wet area variant only when the current TDS, substrate, exposure and adjoining layers are compatible.

Compatible Products:
Waterproofing protection layer
Bituminous Protection Board

Use within the protected bituminous wet area variant only when the current TDS, substrate, exposure and adjoining layers are compatible.

Primary waterproofing or protective barrier
SBS Modified Bitumen Membrane - Plain

Use within the protected bituminous wet area variant only when the current TDS, substrate, exposure and adjoining layers are compatible.

Compatible Products:

Request a system specification for your project

Request a direct calculation, material sample board, typical submittals, or project design validation for this assembly.

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