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Sika SikaTop Seal 107 Gray 2.65 Gallon
Two-component, polymer-modified, cementitious waterproofing and protective slurry mortar for concrete. It is slightly flexible to tolerate fine cracks and suitable in both interior and exterior applications.
- Approved for potable water contact
- Excellent freeze/thaw resistance
- Can be mixed to slurry or trowelable consistency
$92.79
SKU
19120
SikaTop Seal 107 2.65 Gallon Unit – Gray
SikaTop Seal 107 is a two-component, polymer-modified cementitious slurry designed for waterproofing and protecting concrete and masonry surfaces. This flexible coating tolerates minor substrate movement and is ideal for both interior and exterior use. It resists water penetration while remaining breathable, making it effective for tanks, balconies, reservoirs, and structural protection against freeze/thaw damage, carbonation, and deicing salts. The system is easy to mix and apply by brush, trowel, or spray, and is ANSI/NSF 61 compliant for potable water applications.
Key Features:
- Flexible, polymer-modified cementitious slurry mortar
- Protects against water ingress and carbonation
- Breathable – allows vapor transmission
- Excellent freeze/thaw and abrasion resistance
- NSF 61 compliant for potable water use
- Can be applied by brush, trowel, or spray
- Suitable for vertical and horizontal surfaces
- Easy to mix, adjustable to slurry or trowel consistency
Applications:
- Potable water tanks, reservoirs, and clear wells
- Interior and exterior basement waterproofing
- Balconies and other light-traffic horizontal surfaces
- Protecting structures from deicing salts and carbonation
- Vertical and horizontal concrete, masonry, and blockwork
- Hairline crack sealing in non-moving substrates
Technical Specifications:
| Property | Value |
|---|---|
| Mixing Ratio | Component A : B = 1:4.1 (slurry), 1:4.5 (trowel) |
| Density (wet mix) | 16.6 lb/gal |
| Working Time | ~60 minutes at 68°F |
| Compressive Strength | 3,400 psi (Gray, 28 days) |
| Tensile Strength | 990 psi (Gray, 28 days) |
| Bond Strength | 180 psi (Pull-off) |
| Flexibility | ~25% |
| Water Absorption | <91 g/m²•h – watertight |
| Vapor Permeability | 18 perms |
| Carbonation Protection | Equivalent to 6 inches of concrete |
| Color | Gray |
| Packaging | 44 lb unit (2.65 gal yield) |
Frequently Asked Questions:
Can SikaTop Seal 107 be used in potable water tanks?
Yes, it is ANSI/NSF 61 certified for use in potable water containment.
Is SikaTop Seal 107 breathable?
Yes, it is water-resistant but allows vapor transmission (18 perms).
What is the recommended application method?
It can be applied by brush, trowel, or spray equipment depending on consistency and surface type.
How many coats are required?
Two coats at 40 mils each are recommended for waterproofing. A third may be used for severe conditions.
| Brand | Sika |
|---|---|
| Color | Gray |
| Manufacturer | Sika |
