Question 1

What is Fosroc Renderoc Plug used for?

Accepted Answer

Fosroc Renderoc Plug is a rapid-setting mortar designed for emergency water-stopping and patching in concrete segments, tunnel linings, sewage systems, basements, foundations, and mines. It is suitable for horizontal, vertical, or overhead applications.

Question 2

What are the main types of Renderoc Plug and their setting times?

Accepted Answer

Renderoc Plug comes in two types: Renderoc Plug 1 with an initial set time of approximately 1 minute, and Renderoc Plug 20 with an initial set time of approximately 20 minutes, both at 20°C ambient temperature.

Question 3

What are the compressive strength values of Renderoc Plug?

Accepted Answer

Renderoc Plug 1 achieves 10 MPa at 1 hour and 23 MPa at 28 days. Renderoc Plug 20 achieves 7 MPa at 6 hours and 45 MPa at 28 days.

Question 4

Is Fosroc Renderoc Plug safe for use in water supply systems?

Accepted Answer

Yes, Renderoc Plug 20 is approved for use in public water supplies and conforms to BS6920 standards for water quality.

Question 5

What are the key advantages of using Fosroc Renderoc Plug?

Accepted Answer

Key benefits include emergency water-stopping capability, single-component pre-bagged formulation, excellent bond to substrates, chloride-free composition, and low exotherm to minimize thermal cracking.

Question 6

What is the recommended mixing ratio for Renderoc Plug?

Accepted Answer

Mix one part clean water with three parts Renderoc Plug by volume to achieve a stiff consistency suitable for application.

Question 7

What are the substrate preparation requirements before applying Renderoc Plug?

Accepted Answer

The substrate must be clean, and free of loose material, grease, or laitance. Areas should be cut back to a depth of at least 15 mm with undercut edges to ensure proper bonding.

Question 8

How should Renderoc Plug be applied?

Accepted Answer

The mixed mortar can be trowel-applied or hand-kneaded directly onto the prepared substrate. For running water applications, hold the material in place until it sets.

مادة الإصلاح الخرسانية فوسروك رندروك (Fosroc)

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