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SpecChem Por-Rok

SpecChem Por-Rok

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Contractor Overview

Por-Rok is a non-shrink cement-based grout. Premium Gypsum Based Anchoring Cement POR-ROK® Anchoring Cement is a premium, gypsum-based, non-shrink, hydraulic cement designed for anchoring heavy machinery, railings, and repairing cracks in concrete substrates. It is ready-to-use, requiring only the addition of water at the job site to create a durable, pourable compound.

Best For

  • Base plates and equipment grouting
  • Anchor bolt and column base grouting
  • Precast and tilt-up support work

Key Features

  • Meets ASTM C-1107 for quality assurance
  • Non-shrink, hydraulic cement designed for anchoring heavy machinery, railings, and repairing cracks in concrete substrates
  • Cement-based grout formulation
  • Designed for load-bearing support applications

Material & Application Notes

Premium Gypsum Based Anchoring Cement POR-ROK® Anchoring Cement is a premium, gypsum-based, non-shrink, hydraulic cement designed for anchoring heavy machinery, railings, and repairing cracks in concrete substrates. It is ready-to-use, requiring only the addition of water at the job site to create a durable, pourable compound. This product is suited for virtually unlimited applications and sets quickly without the need for heating or two-component mixing.

Why Contractors Choose It

Contractors choose Por-Rok when the job calls for dependable bearing support, positive placement, and a grout that can be matched to real equipment or base plate conditions.

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Application

Substrate Preparation

  • Ensure concrete is at least 28 days old and fully cured.
  • Clean the hole thoroughly, removing all particles and debris.
  • Water-scrub sides and bottom, then remove excess water to keep the hole uniformly damp.

Mixing and Application

  • For interior use:Mix 16 oz. of water per 5 pounds of POR-ROK® to achieve a smooth, flowable consistency. Adjust water slightly for a more plastic-like consistency if needed.
  • For exterior use:Apply regular POR-ROK® or Super Por-Rok® in environments with excessive water. Protect against water damage by shaping the material around the anchor to prevent water pooling.

Anchoring

  • Use an appropriate washer and insert the bolt with the head down.
  • After setting, options include topping with a cone of POR-ROK® or sealing with a rated exterior sealer after 7 days to ensure protection.

Application Notes

  • Color:Off White
  • Coverage:50 lbs covers approximately 0.5 cubic feet.
  • Weight:110 lbs per cubic foot.
  • Application Temperature Range:35° 95°F
  • Set Time:Measured by ASTM C-191 standards
  • VOC Content:0 g/l

Shelf Life

  • Shelf Life:12 months. Rotate stock regularly.
  • Storage Conditions:Store in a cool, dry place away from sunlight in tightly sealed packages.

Test Data

  • Compressive Strength:
  • Expansion:Under moist cure, expansion is minimal at 0.15%.