Description

ASTM C150 Type II Portland Cement (94 lb Bag) | Watson Materials

Building a structurally sound foundation or durable hardscape feature begins with reliable, high-performance materials. Our ASTM C150 Type II Portland Cement delivers the heavy-duty strength and moderate sulfate resistance required for demanding residential and commercial projects across Rhode Island and southern New England.

• Moderate Sulfate Resistance: Engineered to withstand exposure to soils and groundwater, protecting your concrete from chemical degradation over time.

• Low Heat of Hydration: Minimizes thermal cracking during curing, making it an excellent choice for large pours, footings, and massive structural elements.

• High Ultimate Strength: Provides superior long-term load-bearing capacity and structural integrity for heavy-traffic areas.

• Standard 94 lb Packaging: Conveniently portioned bags simplify on-site mixing ratios for contractors and DIY builders alike.

• Consistent Grey Consistency: Fine grey powder blends smoothly with aggregates and sand for reliable workability and finish.

Reliable construction relies on a strong chemical bond, and Type II Portland Cement is specifically formulated to meet those rigorous engineering demands. When mixed with water, sand, and gravel or crushed stone, this fine grey powder undergoes a controlled hydration process that cures into an impenetrable, rock-like mass. The moderate sulfate resistance makes it particularly valuable for coastal New England environments where soil and moisture conditions can compromise standard mixes. By controlling the heat generated during the initial curing phase, this cement significantly reduces the risk of shrinkage cracks, ensuring your slabs, foundations, and walls maintain their integrity for decades.

• Residential and commercial building foundations

• Retaining walls and structural masonry

• Exterior concrete slabs, patios, and walkways

• Driveways and heavy-duty pavements

• Setting posts, footings, and structural piers

Frequently Asked Questions

What is the standard mix ratio when using this cement? A standard structural concrete mix typically follows a ratio of 1 part Portland cement, 2 parts clean sand, and 3 parts gravel or crushed stone, adjusted with clean water to achieve a workable, peanut-butter-like consistency.

Why choose Type II Portland Cement over standard Type I? Type II cement generates lower heat during curing and offers moderate resistance to sulfate attack, making it far more durable for structures in contact with soil, groundwater, or winter de-icing salts.

How should I store unused bags on-site? Keep bags elevated off the ground on wooden pallets and cover them tightly with a waterproof tarp to prevent moisture absorption and premature hardening.

PRICES SHOWN ARE FOR PICK UP, IF DELIVERY IS REQUIRED PLEASE ADD DELIVERY TO YOUR ORDER.

We’ll try our best to get your delivery out as specified, but typically it’s done within a week unless the item is backordered by the manufacturer.