Sika FerroGard-903 is a penetrating corrosion-inhibiting impregnation in a 5 gallon pail for existing steel-reinforced concrete. It migrates to the rebar and builds a protective film against chloride and carbonation attack.
Sika FerroGard-903 is a penetrating corrosion-inhibiting impregnation for hardened steel-reinforced concrete. This 5 gallon pale-yellow pail (part 91063) combines amino alcohols with organic and inorganic inhibitors that deposit a protective film on embedded rebar, delaying chloride and carbonation attack. Target coverage is approximately 200 sq ft per gallon per coat with a minimum of two coats, and it carries ANSI/NSF 61 potable-water approval.
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sika FerroGard-903 |
| Part no. | 91063 |
| Unit | 5 gallon pail |
| Color | Pale yellow |
| Chemistry | Amino alcohol corrosion-inhibiting impregnation |
| Coverage | Approximately 200 sq ft per gallon per coat |
| Coats | Minimum two |
| Density | Approximately 9.4 lb per gallon |
| Potable water | ANSI/NSF 61 |
Product documents: Sika FerroGard-903 Product Data Sheet (PDF)
What structures suit Sika FerroGard-903?
Existing steel-reinforced concrete where owners need to delay chloride and carbonation corrosion on embedded rebar.
What coverage should crews plan for Sika FerroGard-903?
Approximately 200 sq ft per gallon per coat on normal concrete, with a minimum of two coats.
What protection does Sika FerroGard-903 give rebar?
It penetrates the concrete, migrates to the steel, and deposits a protective film that inhibits both anodic and cathodic corrosion.
What potable-water approval does Sika FerroGard-903 carry?
ANSI/NSF Standard 61 approval for potable-water contact.
What testing supports Sika FerroGard-903 performance?
Cracked-beam testing adapted from ASTM G109 plus field analysis of treated structures.
What size is Sika FerroGard-903?
The pail is 5 gallons, part 91063.
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