Webermin Deko Optima

Webermin Deko Optima is a cement-based, fiber-reinforced, medium-textured decorative exterior wall coating designed to provide an aesthetic, durable, and long-lasting finishing solution. It has been developed for use as a finishing coat in exterior thermal insulation systems, offering breathability, high durability, and an attractive decorative texture.

What is Webermin Deko Optima?

• Cement-based and fiber-reinforced
• Medium-textured decorative coating
• Manufactured in accordance with TS 7847 standards
• Classified under Public Works Unit Price No. 04.476/A

It is designed for professional exterior facade applications where both mechanical durability and decorative appearance are required.

Advantages

Breathability

Its high water vapor permeability helps regulate moisture within wall systems.

Impact Resistance

Fiber reinforcement enhances mechanical strength and resistance to external stresses.

Water and Frost Resistance

Provides reliable performance under harsh exterior weather conditions.

Decorative Appearance

Creates a natural and aesthetically pleasing medium-textured facade finish.

Paintable Surface

Can be coated with silicone-based exterior facade paints after curing.

Easy Application

Its user-friendly formulation allows for smooth and efficient application.

Areas of Use

Webermin Deko Optima is suitable for:

• Exterior facades of all building types
• Exterior thermal insulation systems (EPS, XPS, Rock Wool, etc.)
• Decorative finishing coat applications

Suitable Substrates

• Cement-based renders and plasters
• Fair-faced concrete treated with webertec R, RK, or RM
• Rendered aerated concrete (AAC) surfaces

Technical consultation is recommended for other substrate types.

Surface Preparation

• The substrate must be clean, sound, and level.
• The surface should be dampened before application.
• In hot and windy weather, the substrate should be saturated with water prior to application.

Application Conditions

• Ambient temperature: +5°C to +30°C
• Do not apply in extremely hot, windy, or highly humid conditions.
• Do not apply on frozen surfaces or surfaces at risk of freezing within 24 hours.

Application Procedure

Mixing

• Mix 25 kg of Webermin Deko Optima with 6–6.5 liters of clean water.
• Blend using a trowel or low-speed mixer until a homogeneous consistency is achieved.
• Allow the mixture to rest for 5 minutes, then remix before application.

Application

• Spread evenly using a stainless steel trowel.
• Recommended application thickness: 1.5 mm (adjusted according to the largest aggregate size).
• Create the decorative texture using circular movements with a plastic trowel while the material is still wet.

Drying and Painting

• Pot life: 3–4 hours
• Minimum waiting time before painting: 7 days
• The coating should not be left as the final finish and must be painted with a silicone-based exterior facade paint.

Technical Specifications

Packaging and Storage

• 25 kg kraft bag
• 64 bags per pallet (1,600 kg)
• Shelf life: 12 months
• Store in a cool and dry environment

Frequently Asked Questions (FAQ)

What is the recommended application thickness?

The standard application thickness is 1.5 mm.

Can the product be left unpainted?

No. It must be coated with a silicone-based exterior facade paint after curing.

Which surfaces are suitable for application?

It can be applied to cement-based renders, properly prepared fair-faced concrete, and rendered aerated concrete surfaces.

How much water is required for mixing?

Use 6–6.5 liters of clean water for each 25 kg bag.

Can dark colors be used on thermal insulation systems?

Dark colors should only be used decoratively if they cover less than 10% of the total facade area.