Technical document
Method Statement: Polyurethane Liquid Waterproofing
Method statement PS-MS-04: polyurethane liquid waterproofing on roofs, terraces and balconies, from preparation and priming to coats and testing.
This method statement covers application of the Petroseal polyurethane liquid waterproofing system on concrete roofs, terraces, balconies and podiums, including primer, reinforcement at details, multi-coat application and testing.
Consumption is recorded per area and wet film thickness is checked every 10 m², giving consultants a clear quality record at handover.
Key specifications
Values shown are taken from the published brochure/TDS. Project acceptance follows the approved batch certificate and consultant specification.
- Document
- PS-MS-04, 3 pages
- System
- Petroseal PU coating, primer + 2 coats, 1.5 – 2.0 kg/m²
- Recoat window
- Minimum 6 hours, maximum 48 hours
- Conditions
- +5 °C to +35 °C, RH below 65%, substrate moisture ≤ 5%
- Rain / traffic / cure
- 4 hours / 24 hours / 7 days
- Testing
- Wet film checks and flood test, about 50 mm for at least 48 hours
Applications
- — Roofs and podiums with complex geometry
- — Terraces and balconies
- — Industrial floors
Related products
- Polyurethane Chemical Coatings
Seamless liquid waterproofing for roofs, terraces, and industrial floors.