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Description
Izonil Waterproof and Breathable Plaster provides a
totally waterproof barrier, without the need for a membrane.
Applied direct to walls it seals and prevents the ingress
of water either side of the plaster while remaining
vapour and air-permeable, allowing trapped moisture to evaporate.
It does not contain harmful or flammable ingredients
and so is environmentally friendly.
Izonil Waterproof and Breathable Plaster is a high quality,
cement/lime based, fibre reinforced, rendering and plastering
mortar for masonry that meets the requirements of BS EN 998-1.
Manufactured to strictly controlled specifications, it is
supplied as a ready mixed powder that requires only the
addition of water on site.
Can be used on any conventional masonry such as brick,
stone, blockwork and concrete from 15 to 30mm thickness.
NOT suitable for application onto plasterboards!
Izonil Plaster is a fine grade mortar and so offers a
‘one coat’ solution providing undercoat and professional finish coat.
Uses
- old, listed and heritage buildings,
- cellars and basements, bathrooms,
- showers, wet-rooms, swimming pools
- external walls, facades, plinths
Benefits
- Continuous laboratory testing for composition and quality
- 10 year quarantee on water resistance
- No need for membrane or any other additional layers
- Vapour-permeable, allowing trapped moisture to evaporate
- Easy to use- no special tools, skills or training are required
- More cost-effective than any other multi-layered solutions
- Applicable as above-grade or sub-grade insulation
- No bituminous or toxic ingredients
More than 6 millions square foot reference, including World Heritage sites.
Surface preparation
Before applying Izonil Waterproof and Breathable Plaster mechanically prepare the substrate to provide a structurally sound surface. Remove all existing render, plaster, grease, oil, dirt and deleterius material.
All water inrushes must be cured and stopped before applying Izonil Plaster. Clean the surface with clean water.
To maximize cohesion a thin mixture of cement and water slurry or other standard primer must be applied on to the surface before plastering.
Mixing
Add 4,5 to 5 liters of clean water to each bag (25kg) of Izonil Waterproof and Breathable Plaster. Mixing is recommended by hand or concrete mixer.
Working time of approximately 1 to 2 hours.
Application
Izonil Waterproof and Breathable Plaster can be applied by trowel or mortar gun.
Applicable in one single layer, 15mm thick or in 2-3 layers, 10mm thick per layer.
Final layer can be finished with standard plastering tools, while the product is still workable.
Curring
Drying time: 28 days in ambient conditions.
Must be protected from drying too quickly.
Final layer of the Izonil Plaster could be painted or tiled after drying.
Packaging
25 kg paper bags
Coverage
One 25 kg bag will cover up to 1.1 m2 with a 15 mm thick layer.
Shelf Life
18 months.
Technical Data
Compressive strength 3,4 N/mm²
Depth of water penetration of hardened mortar ≤ 1 mm
Water vapour diffusion resistance coefficient (μ) 12.4
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