Sika Sikalastic-827 HT 25 KG

Sikalastic®-827 HT – Expanding Copolymer Bonding Pellets for Bridge Deck Waterproofing

Sikalastic®-827 HT is a modified, hot-melt copolymer pellet adhesive that provides a critical bonding interface between Sika spray-applied waterproofing membranes and asphalt overlays. Engineered for use in hot and tropical climates, it ensures high bond and shear strength through its unique expansion mechanism when in contact with hot asphalt.

Key Benefits:

• Strong Mechanical Bond – Expands to create a secure key with mastic, stone mastic, and asphalt concrete

• Optimised for Heat – Designed to perform under hot and tropical conditions

• High Shear Strength – Enhances durability and cohesion between waterproofing layers and asphalt

• Versatile Application – Can be broadcast onto wet Sikalastic®-8902 or SikaCor® HM Mastic

Common Applications:

• Bridge deck waterproofing systems

• Bonding asphalt overlays to spray-applied membranes

• Infrastructure in high-temperature environments

Certifications & Approvals:

• CE Marked – ETA-18/1105 in accordance with ETAG 033

• BBA Certified – For use in Sikalastic®-851 bridge deck waterproofing systems

• Kiwa Approved – ZTV-IN Part 7, Section 4 compliant

TDS

Sikalastic 827 HT Datasheet

Primers

Click here for Sika relevant polyurea primers

Video