Elastomeric Sealant
General purpose construction sealant
Sealants & Joint Systems
PROMASTIC SEALANT
PROMASTIC-SEALANT
Promastic Sealant is a pre-mixed, cold-applied, polymer-modified, single-component bituminous joint sealant developed for sealing exterior vertical and horizontal joints. It is designed for use in detail areas, overlaps, and patching works, delivering excellent adhesion and cohesive strength on a wide range of construction substrates.
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Overview
Key Features
- Single-Component System: Ready-to-use, cold-applied sealant with no on-site mixing required
- Thixotropic & Slump-Free: Reinforced with non-asbestos fibers for stable vertical application
- Strong Adhesion: Excellent bonding to concrete, brickwork, asphalt, and most construction substrates
- Durable & Flexible Seal: Forms a tough, flexible joint after curing
- Easy Application: Suitable for application using caulking gun, trowel, or spatula
- Safe Composition: Free from asbestos, chromated copper arsenate, and lead
- High Temperature Stability: Maintains performance under elevated service temperatures
Use Cases
Application Areas
- Sealing and filling gaps and joints on roofs
- Pointing of horizontal chases and flashings for waterproofing membranes and felts
- Pointing between brickwork and roof flashings
- Sealing horizontal cracks and joints in asphalt and concrete pavements where movement is minimal
- Sealing around roof penetrations and wet service pipes
- Use with detail strips, waterproofing membranes, protection boards, and rolled drainage systems
Technical
Specifications
- Coverage
- Estimated coverage for a 10 mm width × 10 mm depth joint is approximately: 10 linear meters per 1 kg of sealant
- Packaging
- Promastic Sealant is supplied in: 15 kg metal pails, 20 kg metal pails.
- Shelf Life
- Shelf life is up to 12 months when stored as recommended. Prolonged exposure to sunlight and UV may reduce product performance and shelf life.
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