Home / Waterproofing / Simshield ULTRA X All-in-one Rapid Setting Waterproofing Membrane
Simshield Ultra X is a waterborne, elastomeric membrane designed for high-performance waterproofing and long-term façade
protection. Engineered with advanced breathability, it allows vapour transmission to prevent blistering, mould, and internal degradation — making it ideal for concrete and brick façades. Ultra X also meets the Klopfer Criterion, acting as an effective anti-carbonation barrier that safeguards structural concrete from CO2 ingress.
Applications:
Simshield Ultra X serves as both a high performance waterproofing membrane and a breathable exterior façade coating. It is
suitable for use in the following scenarios:
Waterproofing Membrane Applications:
• Roofs, decks, and balconies exposed to intermittent traffic and weather.
• Parapet walls, external retaining structures, and horizontal waterproofing systems.
• Substrates such as concrete, brick, plywood, timber, screeds, and metal sheeting.
Façade Coating Applications:
• Concrete and masonry façades requiring breathability and vapour management.
• Architectural walls exposed to weather and UV radiation.
• Projects demanding anti-carbonation barriers for structural protection.
• Vertical surfaces where paint-like appearance and long-term durability are desired.

LIGHT GREY
15 L
Simshield Ultra X – TDS
Applications:
Simshield Ultra X serves as both a high performance waterproofing membrane and a breathable exterior façade coating. It is
suitable for use in the following scenarios:
Waterproofing Membrane Applications:
• Roofs, decks, and balconies exposed to intermittent traffic and weather.
• Parapet walls, external retaining structures, and horizontal waterproofing systems.
• Substrates such as concrete, brick, plywood, timber, screeds, and metal sheeting.
Façade Coating Applications:
• Concrete and masonry façades requiring breathability and vapour management.
• Architectural walls exposed to weather and UV radiation.
• Projects demanding anti-carbonation barriers for structural protection.
• Vertical surfaces where paint-like appearance and long-term durability are desired.
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