Membrane Rolls
The membrane is a waterproofing sheet made of polymer‑modified bitumen, supplied in rolls for covering roofs, walls, and floors. It is one of the strongest systems against water and moisture penetration in residential and industrial projects.
📐 Technical Specifications
- Type: APP or SBS (polymer‑modified bitumen)
- Thickness: 3 mm – 4 mm – 5 mm
- Width: 1 m
- Length: 10 m per roll
- Top surface: Sand – Plastic film – Aluminum – Gravel
- Bottom surface: Heat‑fusible plastic film
- Application method: Torch‑applied or cold adhesive depending on type
🛠️ Common Uses
- Waterproofing exposed concrete roofs
- Bathrooms and kitchens
- Foundations and buried walls
- Underground tanks and inspection chambers
- Prepared metal or wooden surfaces
- Protecting thermal insulation from water
✅ Advantages of Membrane
- Excellent resistance to water and moisture
- High flexibility and crack resistance
- Withstands high and low temperatures
- Long service life
- Easy installation and maintenance
- Compatible with other insulation systems
⚠️ Important Notes
- Surface must be thoroughly cleaned before installation
- Bituminous primer is recommended before laying the roll
- Installation should be carried out by skilled technicians
- Edges and ends must be well protected to ensure complete waterproofing
See also: Sika 107
