
the wtz4100 takes up thermal and structural movement (the movement for each size is in the profile specifications below) while the cover stays seated on both sides of the joint.
the cross-section shows the punctureless epdm/tpv water barrier integrated beneath the centre-bar assembly, connecting to the adjacent waterproofing membrane to eliminate every water entry point.
the wtz4100 under traffic, rated vehicular. the load capacity of each size is in the profile specifications below.
the centre-bar cover plate sits flush with the finished floor, exposed in aluminum or stainless steel, carrying heavy pedestrian and medium vehicular traffic across any gap size.
The WTZ4100 cover plate stays flush with the finished floor and is available in aluminum or stainless steel, shown here in concrete pavers, porcelain tile and polished concrete.





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| model name | joint width (mm) | height (mm) | sightline (mm) | movement capability (%) | load capacity |
|---|---|---|---|---|---|
| wtz-4100-100 | 100 | 51 | 143 | ±50% | VEHICULAR |
| wtz-4100-200 | 200 | 53 | 246 | ±50% | VEHICULAR |
| wtz-4100-300 | 300 | 54 | 359 | -50/+45% | VEHICULAR |
| wtzk-4100-100 | 100 | 51 | 120 | +25/-50% | VEHICULAR |
| wtzk-4100-200 | 200 | 53 | 223 | +25/-50% | VEHICULAR |
| wtzk-4100-300 | 300 | 54 | 330 | +20/-50% | VEHICULAR |
| Series | PROFLOOR WT Series (WTZ-4100 & WTZK-4100) |
|---|---|
| System type | Watertight Centre Bar Seismic Floor System |
| Suitable movement | Seismic, Thermal, Settlement |
| Load capacity | Heavy Traffic Pedestrian; Medium Traffic Vehicular |
| Recommended for | Interior and Exterior Areas where Thermal and Multi- Directional/Seismic Movement is expected; Applications where high Movement Capacity is required |
| Components | Extruded Aluminum Base Frame; Extruded Aluminum Base Capping; Extruded Side Profile; Aluminum / Stainless Steel Cover Plate; Steel Turnbar Assembly; Integral Punctureless Water Barrier |
| Material: Base Frame, Base Capping, Side Profiles | Extruded aluminum, grade AA 6063 preferred |
| Material: Cover Plate | Aluminum, Stainless Steel 304 or Stainless Steel 316 |
| Material: Turnbar | Galvanized Steel; finish: “A” Coating (Corrosion Protection) |
| Material: Water Barrier | Ethylene Propylene Diene Monomer (EPDM) or Thermoplastic Vulcanizate (TPV); black |
| Supply length | 3.00 m per piece (aluminum profiles and cover plate) |
| Substrate tolerance | Surface level within ±2 mm; gap level within ±5 mm |
| Sizes | Per the system drawings; profiles can be customized to requirements |
Source: WTZ4100 technical datasheet. Sizes and dimensions: profile specifications above and the system drawings.
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