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Sika Sikatop 121 Plus
SikaTop-121 Plus is a two-component polymer-modified leveling and pore-sealing mortar with FerroGard 901 in a 1 gal A plus 46.5 lb B kit. It smooths bug holes before coatings and reaches approximately 6,000 psi compressive at 28 days.
- FerroGard 901 corrosion inhibitor in the mortar
- Approximately 6,000 psi compressive strength at 28 days
- Levels and seals pores before protective coatings
$91.82
SikaTop-121 Plus
SikaTop-121 Plus is a two-component, polymer-modified, cementitious leveling and pore-sealing mortar with FerroGard 901 penetrating corrosion inhibitor for smoothing concrete before protective coatings. The kit is 1 gallon Component A plus a 46.5 lb Component B bag (MPN 106574), covers approximately 65 sq ft at 1/12 in, and builds from 1/12 in to 1/6 in thick. Mixed mortar reaches approximately 5,000 psi compressive at 7 days and 6,000 psi at 28 days, with approximately 45 minutes of application time at 73 F.
Key Features
- Two-component polymer-modified cementitious leveling and pore-sealing mortar
- Includes FerroGard 901 penetrating corrosion inhibitor
- Coverage approximately 65 sq ft at 1/12 in per kit
- Layer thickness 1/12 in minimum to 1/6 in maximum
- Compressive strength approximately 5,000 psi at 7 days and 6,000 psi at 28 days
- Application time approximately 45 minutes at 73 F
Applications
- Levels and seals pores before protective coatings
- Works on horizontal, vertical, and overhead concrete
- Works on grade, above grade, and below grade on concrete and mortar
- Block filler and minor repairs for gouges and broken edges
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | SikaTop-121 Plus |
| MPN | 106574 |
| Unit | 1 gal A + 46.5 lb B kit |
| Color | Concrete gray when mixed |
| Chemistry | Polymer-modified cementitious mortar with FerroGard 901 |
| Coverage | Approximately 65 sq ft at 1/12 in |
| Layer thickness | 1/12 in to 1/6 in |
| Compressive 7 / 28 day | Approximately 5,000 / 6,000 psi |
| Flexural 28 day | Approximately 2,000 psi |
| Application time | Approximately 45 minutes |
Product documents: SikaTop-121 Plus Product Data Sheet (PDF)
Frequently Asked Questions
What job does SikaTop-121 Plus fill before coatings?
It is a leveling and pore-sealing mortar that smooths irregularities and bug holes so protective coatings land on a uniform substrate.
What compressive strength does cured SikaTop-121 Plus reach?
Approximately 1,250 psi at 1 day, 5,000 psi at 7 days, and 6,000 psi at 28 days under ASTM C-109.
What thickness range applies for SikaTop-121 Plus?
Minimum 1/12 in (2 mm) and maximum 1/6 in (4 mm) per the sheet.
What coverage should crews plan per kit of SikaTop-121 Plus?
Approximately 0.4 cu ft, or approximately 65 sq ft at 1/12 in, before profile and waste allowances.
What corrosion feature does SikaTop-121 Plus add?
FerroGard 901 penetrating corrosion inhibitor is built into the mortar and reduces corrosion in adjacent concrete.
What size is the SikaTop-121 Plus kit on this page?
This page is the 1 gallon Component A plus 46.5 lb Component B kit, MPN 106574.
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