Butylene-X is a one-component, durable mastic formulated with polybutene and vegetable oils, designed to create a paintable surface within 48 hours of application. Ideal for sealing joints with minimal movement and no mechanical exposure, it offers water-resistant and weatherproof properties for reliable interior applications.

Den Braven Butylene-X Sealant Details:

• Size: 300ml – Compact yet sufficient for sealing needs.


• Composition: Polybutene and vegetable oils – Provides durability and sealing efficiency.


• Drying Time: 48 hours – Forms a paintable skin for finishing.


• Weather Resistance: Water-resistant and weatherproof – Ensures longevity.


• Application Areas: Interior use – Works as a bedding compound for single glazing.

What’s In The Box?

1 x Den Braven Butylene-X Sealant | Paintable, 300ml