Weber Bathroom Silicone – Acetoxy-Based Silicone Sealant for Bathrooms and Shower Cabins

Weber Bathroom Silicone

Weber Bathroom Silicone is a single-component, moisture-curing acetoxy-based silicone sealant specifically developed for wet areas such as bathrooms and shower cabins. Its hygienic formulation, resistance to mold and mildew, UV stability, and high-temperature resistance provide a long-lasting sealing and waterproofing solution.

Product Description

Weber Bathroom Silicone is a ready-to-use, single-component, moisture-curing acetoxy silicone sealant. It is specially designed for bathroom, kitchen, and shower enclosure applications.

Advantages

• High resistance to mold and mildew
• Solvent-free formulation
• Hygienic performance
• UV and high-temperature resistant, maintains its color over time
• Moisture resistant
• Resistant to freezing temperatures down to -40°C

Areas of Use

Weber Bathroom Silicone is primarily used for sealing and bonding in wet areas, including:

• Shower cabins
• Bathtub perimeters
• Ceramic surfaces
• Glass and aluminum joints
• Metal surfaces

Suitable Substrates

• Wood
• Metal and aluminum
• Brick, ceramic, and marble
• Glass
• Galvanized steel sheets
• Plastic surfaces

Professional consultation is recommended before application on other substrates.

Surface Preparation

• Joints must be clean and dry.
• Cement residue, oil, paint, and adhesive contaminants must be completely removed.
• Non-porous surfaces should be free from coatings; if necessary, clean with cellulosic thinner.
• Metal surfaces should be treated with an anti-corrosion primer.
• Masking tape may be used to achieve clean and sharp joint edges.

Application Conditions

• Surface and ambient temperature: +5°C to +35°C
• Do not apply in extremely hot or humid weather conditions.
• Do not apply on frozen surfaces or where there is a risk of freezing.

Application Instructions

• Apply the silicone so that it fully contacts both sides of the joint and the polyethylene backer rod.
• Apply continuously and evenly while keeping the cartridge nozzle inside the joint.
• Apply in a single layer; overlapping applications should be avoided.
• Remove any trapped air bubbles during finishing.
• The surface can be smoothed using a tool moistened with soapy water.
• Remove masking tape before the sealant cures.
• Moisture is required for curing; therefore, it should not be used in airtight environments.
• Clean application tools with acetone immediately after use.

Application Tools

• Silicone gun

Consumption

• Approximately 3 m per cartridge for a 10 mm × 10 mm joint

Warnings and Recommendations

• Adheres to many smooth surfaces without primer; testing is recommended on absorbent or painted substrates.
• Joint width should generally be approximately twice the joint depth.
• The product is not paintable.
• Not suitable for aquarium applications.

Technical Properties

Safety Precautions

• Wear protective gloves, safety goggles, and a mask during application.
• Avoid contact with skin and eyes.
• In case of contact, rinse thoroughly with plenty of water and seek medical advice if necessary.
• Refer to the Safety Data Sheet (SDS) for disposal and safety information.

Frequently Asked Questions

Where can Weber Bathroom Silicone be used?

It is suitable for sealing and bonding applications in bathrooms, kitchens, shower cabins, bathtubs, and other wet areas.

Can the product be painted?

No. Weber Bathroom Silicone is not paintable.

What is the curing time?

At 25°C and 50% relative humidity, the surface becomes touch-dry within 10–15 minutes and cures at a rate of approximately 2 mm per day.

What is the recommended application temperature?

The product should be applied at temperatures between +5°C and +35°C.

Can it be used for aquariums?

No. Weber Bathroom Silicone is not suitable for aquarium applications.