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Y-Guaina

Y-GUAINA is a water-based waterproofing and protective sheath and is occasionally walkable plus does not waterproof water stagnation.

WHAT IT’S FOR
Waterproofing of roof surfaces: terraces, roofs, planters, waterproofed surfaces with old sheaths or bituminous products, perimeter walls, north-facing walls and gutters in the absence of water stagnation, wood surfaces and galvanized sheet properly treated.

Description

Y-GUAINA is a water-based waterproofing and protective sheath and is occasionally walkable plus it does not waterproof water stagnation.

WHAT IT’S FOR
Waterproofing of roof surfaces: terraces, roofs, planters, waterproofed surfaces with old sheaths or bituminous products, perimeter walls, north-facing walls and gutters in the absence of water stagnation, wood surfaces and galvanized sheet properly treated.

METHOD OF USE

  • SURFACE PREPARATION
    Surfaces to be waterproofed must have a sufficient gradient for water to flow.
    The support must be compact and flat, in the absence of such conditions, adequate preparation of the same should be provided.
    1-surfaces already paved: They must be dry and perfectly clean (eliminate the presence of oil or grease with the special detergent for difficult dirt MAXXXI; for dirt deriving from lime and cement use lime and cement dissolver STRONG instead).
    2 – Surfaces with cement screeds, vertical plastered, old and / or new: Before waterproofing, it is necessary to remove and rebuild deteriorated screeds with vertical mortars and they must be dried and aged (for new screeds it will take at least 28 days to complete curing, furthermore the residual humidity must be less than 4 % by weight to be determined by a professional hygrometer).
    Some covers must include the insertion of breather elements for the escape of water vapor.
    3-Surfaces already waterproofed with sheaths or bituminous products: They must be perfectly clean and free of dust; Fix any laceration, tearing or detachment with bituminous products.
    Also check the presence and condition of any expansion joints and, if they have deteriorated, proceed with their reopening, cleaning and reconstruction.
  • APPLICATION
    Y-GUAINA can be applied by spatula, roller, brush or spray (piston airless).
    If necessary and in order to facilitate the application you can add 3-5% of water.
    Apply the appropriate primer (POWER GRIP – Universal primer for smooth or non-absorbent surfaces or NTX PRIMER H O – Specific primer for new or old acrylic and bituminous membranes) on the substrate to be waterproofed.
    On terraces and practicable surfaces it is advisable to lay FIBRANET 160 fibreglass mesh or non-woven fabric then apply Y-GUAINA after carefully mixing the product inside its container, taking care to incorporate the mesh or previously laid non-woven fabric.
    After the first layer has dried (approx. 12-24 hours) apply a second coat of Y-GUAINA.
    If necessary, apply a third coat of the product once it has dried.
    The quantity of product applied should not be less than 1.5 kg./m.

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