Baumit ProContact is a versatile adhesive and spackling mortar based on cement. It is specifically designed for adhering and spackling thermal insulation boards made of expanded polystyrene and mineral wool, as well as for embedding mesh in the reinforced layer of Baumit Pro and Pro Reno S insulation systems.

Whether you're building a home or upgrading your insulation, Baumit ProContact is an essential product. Its high strength makes it suitable for use on facades, and its high vapor permeability ensures that you won't have to worry about moisture stains on your walls. This mineral-based mortar is excellent for adhering mineral wool and polystyrene boards and can be equally effective for spackling plaster and concrete or creating reinforcements with fiberglass mesh. With its excellent adhesion, Baumit ProContact provides easy handling and effective work, proving that renovations aren't as daunting as they seem.

Product A ready-to-use mineral mortar for adhering and spackling mineral wool and polystyrene boards.

Composition Cement, sand, enhancing additives.

Properties A vapor-permeable mortar with high adhesion and easy processing.

Application Vapor-permeable adhesive mortar for use inside and outside of buildings. For adhering facade thermal insulation boards made of cork, mineral wool, and polystyrene (including graphite) and as a reinforced layer with fiberglass mesh. Also serves as a spackling layer on even surfaces of plaster and concrete.

Technical Data

• Maximum grain size: 0.8 mm
• Thermal conductivity λ: 0.80 W/mK
• Vapor diffusion resistance factor µ: 18
• Bulk density: approx. 1550 kg/m³
• Water consumption: approx. 5.5 l/bag
• Material consumption:
  • Adhering: approx. 4 - 5 kg/m²
  • Spackling: approx. 4 - 5 kg/m²
• Minimum layer thickness: 2 - 3 mm
• Maximum layer thickness: 5 mm

Substrate The substrate must be dry, unfrozen, dust-free, absorbent, and free from efflorescence and loose particles.