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Sika Thoroseal Plus 5 Gallon Pail
Sika Thoroseal Plus is a cement-based polymer waterproofing coating in a 35 lb pail for concrete and masonry. It seals foundations and basements against positive and negative water pressure.
- Resists positive and negative hydrostatic pressure
- Cement-based coating mixes with water only
- Blocks dampness and resists mold for masonry work
$125.82
Sika Thoroseal Plus
Sika Thoroseal Plus is a dry Portland cement-based modified polymer waterproofing coating for concrete and masonry. This white 35 lb (5 gallon) pail (part 810321) resists positive and negative hydrostatic pressure on foundations, basements, tunnels, and walls. Crews mix with water only and brush or spray a semi-smooth finish that helps block dampness and mold.
Key Features
- Dry Portland cement-based modified polymer coating
- Resists positive hydrostatic pressure to 72.5 psi with no leakage
- Negative hydrostatic resistance approximately 10 psi
- Compressive strength approximately 6,500 psi at 28 days
- Tensile adhesion greater than 350 psi
- White finish; mix with water only
Applications
- Foundations, basements, and retaining walls
- Tunnels, blocks, brick, stone, and concrete
- Interior and exterior waterproofing coats
- High tanks and below-grade masonry surfaces
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sika Thoroseal Plus |
| Part no. | 810321 |
| Unit | 35 lb (5 gallon) pail |
| Color | White |
| Chemistry | Portland cement-based modified polymer coating |
| Positive hydrostatic | 72.5 psi, no leakage |
| Negative hydrostatic | Approximately 10 psi |
| Compressive strength | Approximately 6,500 psi at 28 days |
| First-coat coverage | Approximately 160 ft2 per 35 lb pail |
| Set time | Approximately 3 hours at 70 F |
Product documents: Sika Thoroseal Plus Product Data Sheet (PDF)
Frequently Asked Questions
What jobs suit Sika Thoroseal Plus?
Waterproofing and sealing concrete, masonry, foundations, basements, tunnels, walls, blocks, brick, and stone against dampness and hydrostatic pressure.
What hydrostatic pressure does Sika Thoroseal Plus resist?
Positive resistance to 72.5 psi with no leakage under ISO 13007-5, and negative resistance approximately 10 psi.
What coverage should crews plan for Sika Thoroseal Plus?
Above-ground exterior walls: first coat approximately 160 ft2 per 35 lb pail, second coat approximately 320 ft2 per 35 lb pail, depending on substrate texture.
What mix does Sika Thoroseal Plus need?
Add only clean water; a 35 lb pail typically needs approximately 1.2 gallons of water.
What compressive strength does Sika Thoroseal Plus reach?
Approximately 4,200 psi at 7 days and 6,500 psi at 28 days under ASTM C 109.
What size is Sika Thoroseal Plus?
The pail is 35 lb (5 gallon), white, part 810321.
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