Description
Alcolin Permomastic is a solvent-based sealant that forms a flexible, durable rubber seal for a wide range of construction and repair tasks. Whether you’re sealing joints, bedding frames or repairing cracks, Alcolin Permomastic offers excellent adhesion, weather resistance and long-term flexibility across porous and non-porous surfaces.
Attributes:
- Size: 280ml cartridge
- Type: Solvent-based rubber sealant
- Colour: White or Grey
- Appearance: Paste – paintable when cured
- VOC: High
- Shelf life: 12 months unopened
- Heat resistance: Up to 80°C
- Application: Caulking gun
Uses:
- Sealing pipe joints, concrete joints and manhole seams
- Bedding and pointing window and door frames
- Fixing roofing components, flanges and ductwork
- Sealing lap joints, glazing beads and roof bolts
- Filling cracks, gaps and seams in stairs, skirting boards and handrails
- Draft-proofing air gaps in interior and exterior surfaces
Advantages:
- Flexible and durable rubber seal
- Excellent adhesion to masonry, metal, wood and concrete
- Resists cracking, weathering and moisture ingress
- Paintable finish for seamless integration
- Chemical resistance to oils, weak alkalis and acids
Limitations:
- Not suitable for continuous water immersion
- Will not adhere to polyethylene, polypropylene or Teflon
- May affect some plastic substrates – test compatibility
- Not suitable for joints requiring >15% movement accommodation
