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Sika Sikalastic 720 Base 20 Gallon Kit
Sikalastic-720 Base is a two-component solvent-free polyurethane base coat in a 20 gallon kit for pedestrian and vehicular deck waterproofing. It covers approximately 70 sq ft per gallon at 23 mils and bridges cracks under the wear course.
- Solvent-free crack-bridging polyurethane base coat
- Approximately 2,500 psi tensile with 800% elongation
- Coverage approximately 70 sq ft per gallon at 23 mils
$1,513.51
Sikalastic-720 Base
Sikalastic-720 Base is a two-component, aromatic, chemically cured, solvent-free elastomeric polyurethane base coat for waterproofing under polyurethane or epoxy wear coats on pedestrian and vehicular decks. This 20 gallon kit (part 188052) covers approximately 70 sq ft per gallon at 23 wet mils, has a 10 to 15 minute pot life, and cures to Shore A 80 with approximately 2,500 psi tensile and 800% elongation. Typical tack-free time is 2 to 4 hours at 75 F before recoat.
Key Features
- Two-component aromatic chemically cured solvent-free polyurethane base coat
- Shore A 80 with approximately 2,500 psi tensile and 800% elongation
- Coverage approximately 70 sq ft per gallon at 23 wet mils
- Pot life 10 to 15 minutes
- Tack-free typically 2 to 4 hours at 75 F and 50% R.H.
- Resists water and de-icing salts under pedestrian and vehicular wear coats
Applications
- Waterproofs multi-story parking garages, decks, and ramps
- Works on foot bridges, walkways, plazas, and rooftop decks
- Stadiums, arenas, balconies, and mechanical rooms
- Roofing flood coat when mixed with approved aggregate
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikalastic-720 Base |
| Part no. | 188052 |
| Unit | 20 gallon kit (four 4 gal Part A + four 1 gal Part B) |
| Color | Gray/White |
| Chemistry | Two-component solvent-free elastomeric polyurethane |
| Shore A | 80 +/- 5 |
| Tensile / elongation | Approximately 2,500 psi / 800% |
| Coverage | Approximately 70 sq ft/gal at 23 mils |
| Pot life | 10 to 15 minutes |
| Tack-free | Typically 2 to 4 hours at 75 F |
Product documents: Sikalastic-720 Base Product Data Sheet (PDF)
Frequently Asked Questions
What role does Sikalastic-720 Base fill in a deck system?
It is the waterproofing base coat under polyurethane or epoxy wear surfaces, or under concrete, asphalt, or tile wear courses.
What tensile and elongation values does cured Sikalastic-720 Base reach?
Approximately 2,500 psi tensile strength and 800% elongation at break at 75 F and 50% R.H.
What coverage should crews plan for Sikalastic-720 Base at 23 mils?
Approximately 70 sq ft per gallon at 23 wet mils (23 dry mils).
What pot life and tack-free times apply for Sikalastic-720 Base?
Pot life is 10 to 15 minutes. Tack-free is typically 2 to 4 hours at 75 F and 50% R.H.
What decks suit Sikalastic-720 Base?
Parking garages, decks and ramps, foot bridges, plazas, rooftops, stadiums, balconies, and mechanical rooms.
What size is the Sikalastic-720 Base kit on this page?
This page is the 20 gallon kit, part 188052.
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