Anchor Grout Manufacturers In Kerala

"Anchor grout" is a specialized type of grout used to secure anchors (bolts, rods, or other embedded items) into concrete or masonry. It provides high strength, durability, and stability for load-bearing connections in construction and engineering applications. Here's a detailed breakdown:

🔩 Anchor Grout: Overview

Definition:

Anchor grout is a cementitious, epoxy, or polyester-based material used to fill the annular gap between an anchor (like a bolt or rod) and the hole it is placed in. It locks the anchor in place, ensuring it transfers load effectively into the base material.

🧱 Types of Anchor Grout

1. Cementitious Anchor Grout

Base: Portland cement + additives

Use: Non-structural to semi-structural applications

Advantages:

Economical

Easy to use

Non-shrinking if formulated properly

Disadvantages:

Lower tensile and bond strength than resin types

Slower curing

2. Epoxy Anchor Grout

Base: Two-component resin (epoxy + hardener)

Use: Structural applications, heavy loads

Advantages:

Very high bond and compressive strength

Excellent chemical resistance

Can be used in damp conditions

Disadvantages:

More expensive

Requires careful mixing and application

3. Polyester or Vinylester Grout

Base: Resin-based (polyester or vinylester)

Use: Medium to high load applications

Advantages:

Fast setting

Good corrosion resistance

Disadvantages:

Lower heat resistance than epoxy

May emit strong odors during curing

🧪 Key Properties

Property Description

Compressive Strength Ranges from 30 to 100+ MPa depending on the type

Bond Strength Critical for load transfer between anchor and base

Flowability Important for ease of installation

Shrinkage Should be minimal or compensated

Setting Time Varies (minutes to hours)

Chemical Resistance Especially important in industrial or marine settings

🛠️ Applications

Anchoring machinery and equipment

Fixing steel structures to concrete

Bridge bearings

Rebar and dowel bar installation

Railings, signposts, and safety barriers

⚙️ Installation Steps (Typical)

Drill hole to specified depth and diameter.

Clean hole thoroughly (brush + air blow).

Mix grout as per manufacturer’s instructions.

Place anchor (either before or after pouring grout, depending on method).

Pour/inject grout into hole.

Cure as per product data sheet.

✅ Best Practices

Use the right type of grout for the load and environment.

Avoid air pockets while placing grout.

Follow temperature and humidity guidelines during installation.

Allow full curing before applying loads.