BEKO Bitu-Dicht Bitumen Sealant Black 310 ml Cartridge

With a temperature resistance from -30°C to +80°C and immediate waterproofing, this bitumen sealant handles harsh conditions without compromise. The BEKO Bitu-Dicht 310 ml cartridge delivers professional-grade sealing for roofs, gutters, and foundations.

Overview

BEKO Bitu-Dicht is a solvent-based bitumen sealant with a pasty consistency, engineered for durable repairs and waterproofing. It adheres excellently to bitumen, roofing felt, concrete, masonry, metal, and wood, making it a versatile choice for both emergency fixes and planned maintenance. The black sealant cures at a rate of 1–2 mm per 24 hours and forms a skin in approximately 2 hours under standard conditions, allowing for reliable application.

What stands out

• Immediately waterproof upon application—no waiting for rain protection.
• Excellent adhesion to common building materials, including bitumen and metal.
• Broad temperature resistance from -30°C to +80°C once cured.
• Good UV resistance for long-term outdoor exposure.
• Convenient 310 ml cartridge fits standard caulking guns.

Technical details

• Volume: 310 ml
• Color: Black
• Base material: Bitumen
• Consistency: Pasty
• Density: approx. 1.05 g/cm³
• Skin formation time: approx. 2 hours (at +23°C, 50% RH)
• Curing speed: approx. 1–2 mm/24 h (at +23°C, 50% RH)
• Application temperature: +5°C to +35°C
• Temperature resistance (cured): -30°C to +80°C
• Shelf life: 18 months (unopened, cool and dry)
• Solvent-based: Yes
• Overpaintable: No

Our verdict

For reliable, long-lasting sealing on roofs, gutters, and foundations, BEKO Bitu-Dicht delivers professional results with immediate waterproofing and excellent adhesion to a wide range of building materials.