Astm C 920 [patched] -

| Spec Code | Translation | Common Application | | :--- | :--- | :--- | | | Stretchy, Non-Sag, No Traffic | Standard vertical wall expansion joints, window perimeters. | | Class 25, Grade P, Use T | Stretchy, Self-Leveling, Traffic | Parking garage floor joints, sidewalks. | | Class 12.5 | Low Movement | Small gaps, static joints (less common in modern high-performance specs). | | Type M | Multi-Component | Large projects (like airports/malls) where fast cure and high durability are needed. | | Type S | Single-Component | General construction, smaller jobs, easy repair work. |

Sealants are categorized based on their physical properties and intended use: : S : Single-component (ready to use). M : Multi-component (requires mixing). Grade :

| Spec Code | Translation | Common Application | | :--- | :--- | :--- | | | Stretchy, Non-Sag, No Traffic | Standard vertical wall expansion joints, window perimeters. | | Class 25, Grade P, Use T | Stretchy, Self-Leveling, Traffic | Parking garage floor joints, sidewalks. | | Class 12.5 | Low Movement | Small gaps, static joints (less common in modern high-performance specs). | | Type M | Multi-Component | Large projects (like airports/malls) where fast cure and high durability are needed. | | Type S | Single-Component | General construction, smaller jobs, easy repair work. |

Sealants are categorized based on their physical properties and intended use: : S : Single-component (ready to use). M : Multi-component (requires mixing). Grade :

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