SIKAWALL - 191 BASE (SIKA SKIM COAT 191/ SKIM COAT KASAR)

SikaWall®-191 Base (Sika Skim Coat 191 / Skim Coat Kasar)

Introduction

SikaWall®-191 Base (formerly known as Brefill® Mortar) is a premium cementitious base-coat skim coat manufactured by Sika. Formulated with high-quality cement, selected fillers, and special polymeric additives, it is designed for interior wall leveling and surface smoothing over raw concrete, prefabricated panels, and rough rendered walls, creating a flat, stable base for fine skin coats or final painting.

Key Features & Advantages

• Excellent Adhesion & Workability: Smooth consistency allows for effortless troweling and provides strong bonding to concrete and masonry substrates.

• Shrinkage-Compensated & Crack Resistant: Specially balanced formulation minimizes dry shrinkage, effectively preventing hairline cracks.

• Optimized Paint Consumption: Regulates surface absorption and produces a flat finish, reducing paint usage and enhancing coating durability.

• Eco-Friendly & Safe: Non-toxic, cement-based powder with low VOC emissions, safe for indoor applications.

Primary Applications

• Interior Surface Leveling: Leveling uneven raw concrete walls, ceilings, rendered surfaces, and precast concrete blocks.

• Defect Patching: Filling surface pinholes, small honeycomb voids, and minor wall imperfections.

• Base Coat Preparation: Initial skim coating prior to applying SikaWall®-192 Finish (fine coat) or decorative paints.

Specifications & Technical Data