Weberjoint HR Flex

Weberjoint HR Flex is a professional cement-based grout mortar developed for use in demanding environments where high elasticity and chemical resistance are required. It can be safely used in areas exposed to drinking water as well as in industrial facilities subjected to harsh operating conditions.

What Is Weberjoint HR Flex?

Weberjoint HR Flex is:

  • Cement-based
  • Chemical-resistant
  • Highly flexible and high-performance grout mortar

Its broad range of applications and resistance to challenging conditions make it a reliable solution for professional construction and industrial projects.

Applications

Swimming Pools

Provides a durable grouting solution for areas exposed to continuous water contact.

Industrial Facilities

Suitable for environments involving chemical exposure or wet and dry production processes, including:

  • Olive processing plants
  • Beer and wine production facilities
  • Fresh and dried fruit processing plants
  • Biscuit manufacturing facilities
  • Pickle and brine production plants
  • Dairy and yogurt factories

Laboratories and Storage Areas

  • Water storage tanks
  • Cold storage facilities
  • Areas with potential chemical exposure

High-Traffic Commercial Areas

  • Supermarkets
  • Shopping centers
  • Metro stations
  • Delicatessens
  • Garages
  • Utility and energy rooms
  • Public restrooms

Renovation Projects

Existing grout joints can be renewed by removing approximately 2–3 mm of the old grout before application.

Key Advantages

  • Excellent chemical resistance
  • Suitable for contact with drinking water
  • Can be applied over existing grout joints after proper preparation
  • Compatible with underfloor heating systems
  • Suitable for high-traffic areas
  • Resistant to mold and fungi
  • High abrasion resistance
  • Ideal for areas prone to dirt accumulation

Packaging and Color Options

Packaging Sizes:

  • 5 kg
  • 20 kg

Available Colors:

  • White 400
  • Sand Beige 442
  • Pearl Cream 443
  • Grey 415
  • Granite Grey 414

Application Properties

  • Joint width: 1–12 mm
  • Application temperature: +5°C to +35°C
  • Pot life: Maximum 60 minutes
  • Open to foot traffic: 6–8 hours
  • For joint depths greater than 10 mm, consult the manufacturer

Recommended Application Tools

  • Electric hand mixer
  • Trowel
  • Rubber grout float
  • Sponge float
  • Squeegee
  • Sponge
  • Brush

Warnings and Recommendations

  • For chemicals not listed in the official chemical resistance chart, consult the manufacturer.
  • Not suitable for areas exposed to hot water above 40°C. For such applications, Weber EP 800 is recommended.
  • All stated performance values and application times are based on a temperature of 20°C for both the substrate and ambient environment.

Frequently Asked Questions (FAQ)

What joint widths is Weberjoint HR Flex suitable for?

It can be used for grout joints ranging from 1 mm to 12 mm.

Can it be used in areas that come into contact with drinking water?

Yes. Weberjoint HR Flex is suitable for contact with drinking water.

When can the surface be opened to traffic?

The surface can generally be opened to foot traffic 6–8 hours after application.

Is it suitable for underfloor heating systems?

Yes. It is fully compatible with underfloor heating installations.

Can it be used in areas exposed to hot water above 40°C?

No. For applications exposed to temperatures above 40°C, Weber EP 800 should be used instead.

Can it be applied over existing grout?

Yes. Existing grout joints should first be removed to a depth of approximately 2–3 mm before applying Weberjoint HR Flex.