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Bituminous waterproofing membranes are flexible sheets made from bitumen, a sticky, black, and highly viscous liquid or semi-solid form of petroleum. These membranes are designed to provide a waterproof barrier for various construction applications, ensuring that structures remain dry and protected from water ingress. They can be applied in both hot and cold processes, making them versatile for different installation methods.
| Material | Bitumen, reinforced with fiberglass or polyester |
| Thickness | 1.5 mm to 5 mm |
| Width | 1 m to 2 m |
| Length | 10 m to 30 m rolls |
| Application temperature | Above 5°C for installation |
| Adhesion | Self-adhesive or torch-applied options |
When selecting bituminous waterproofing membranes, consider the specific application and environmental conditions. Specify the thickness and type of reinforcement needed based on the expected stress and exposure. It's also important to check for compliance with local building codes and standards. Request samples to evaluate adhesion and flexibility, and consider the quantity required for your project to ensure cost efficiency.
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Typically, they last between 10 to 30 years depending on environmental conditions and maintenance.
Yes, but ensure that they are installed at temperatures above 5°C for optimal adhesion.
They can be installed using self-adhesive methods or torch-applied techniques.
They are petroleum-based, but some products may contain recycled materials and are designed for minimal environmental impact.
Yes, a protective layer is often recommended to shield them from UV exposure and physical damage.
Yes, they can be repaired with compatible patching materials or additional membrane layers.