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ImperGuard Plant-Based – High-Performance Waterproofing for Porous Facades and Roofs

Deep-penetrating protection against moisture, frost and weather damage with advanced plant-based technology. High-performance waterproofing solution for porous facades and roofs exposed to weather and moisture. It penetrates deeply to block water infiltration, reduce damage caused by freeze-thaw cycles and limit the formation of moss and lichen, helping extend the lifespan of treated materials.

ImperGuard® Plant-Based is a high-performance waterproofing treatment designed for porous facades and roofs exposed to moisture, weather and environmental stress.

Its deep-penetrating impregnation technology protects materials against water infiltration, erosion and damage caused by freeze-thaw cycles, while limiting the development of moss and lichen. It helps preserve the structure of the material and maintain its appearance over time.

Suitable for a wide range of porous mineral surfaces including stone, concrete, render, brick and terracotta, it provides long-lasting protection in outdoor environments.

The formulation penetrates without forming a surface film, allowing the material to remain breathable and permeable to air and water vapour. Colourless after application, it does not alter the original appearance and is fully UV-resistant, preventing yellowing over time.

Its plant-based technology derived from renewable raw materials such as soya, castor, has been designed deliver stronger water-repellent performance and durable protection in demanding outdoor conditions.

  • Beading effect
  • 5 years guarantee
  • Bio-sourced Formula
  • Facades, roofs
  • Coverage (1L = 10m2)
Advantages
  • Excellent water repellent performance
  • Effectiveness over 5 years
  • Biosourced formula based on ingredients of plant origin
  • Limits the appearance of efflorescence, moss and lichen formation
  • Prevents damage due to freezing and thawing
  • Economical: high yield
  • Does not form a film, lets the material breathe
  • Odourless and invisible: does not change the colour
  • UV and frost resistant

 

USE
  • Porous materials: stone, concrete, terracotta, slate, brick, rendering, etc.
  • Facades and roofs
  • New or old
  • External
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Advantages
  • Excellent water repellent performance
  • Effectiveness over 5 years
  • Biosourced formula based on ingredients of plant origin
  • Limits the appearance of efflorescence, moss and lichen formation
  • Prevents damage due to freezing and thawing
  • Economical: high yield
  • Does not form a film, lets the material breathe
  • Odourless and invisible: does not change the colour
  • UV and frost resistant

 

USE
  • Porous materials: stone, concrete, terracotta, slate, brick, rendering, etc.
  • Facades and roofs
  • New or old
  • External

Surface preparation :

  • 1
    Apply the product to a clean, dust-free, grease-free and dry surface.
  • 2
    To remove stains and traces of pollution, use Guard Wash® Express.
  • 3
    To remove grease stains, use Guard Cleaner® Degreaser Plant-Based Formula.
  • 4
    To remove traces of efflorescence, laitance or grout film, use Guard Remover® Efflorescence & Cement Plant-Based Formula.
  • 5
    Rinse carefully until the surface is free of any trace of cleaner.

Application :

  • Use the product in its pure form: do not dilute it.
  • Shake the packaging well before use and perform a preliminary test to check that the product has correctly penetrated and the appearance after drying.
  • The material must be impregnated up to saturation in a single homogeneous coat. On very porous materials, apply the product in two coats with an interval of 15 minutes.
  • Always apply from bottom to top.
  • Do not overload the material, apply in a thin layer
  • Protected drying: 24 hours.
  • Optimum efficiency reached after 2 to 3 days.

 

For further information, refer to the data sheet and safety sheet.

  • Apply using a low-pressure sprayer, roller or brush.

  • 5L

  • 20L

  • Technical data sheet

  • Safety data sheet