Elastomeric Cementitious Waterproofing Mortar
IDROLASTIC is a two component mortar composed of special type of cements, bonding agents, selected fillers and special additives (component A) and water based synthetic acrylic co-polymer (component B). When mixing the two components together a workable paste is obtained that can be applied either horizontally or vertically which adheres to concrete and masonry supports. Once hardened, it forms a waterproofing and flexible layer resistant against aggression of Chlorides and Sulphates.
Consumption:
1.80kg/m2 per mm of thickness
Packaging:
IDROLASTIC is supplied as 20kg of component A (powder) and 8 Liter of component B (liquid).
Storage:
Keep in tightly closed containers and in sheltered and dry place. In these conditions it maintains unchanged its characteristics for 12 months.
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Surface preparation
The surface of the concrete shall be sound, clean and uncontaminated.
This preparation shall be such as to leave a sound exposed concrete surface free from dust, loose particles and any deleterious matter. If the concrete surface is defective or has laitance, it must be cut back to a sound base.
Moss and lichen must be removed physically followed by treatment with fungicidal wash. After treatment, it must be washed down thoroughly with clean water.
In addition, make sure that all surfaces must be damp but not totally wet before progressing the work.
Crack treatment
Shrinkages and non-moving structural cracks less than 0.3mm shall be filled with a pre-treatment strip of IDROLASTIC directly bridging over the crack. Static cracks that are greater than 0.3mm shall be repaired by chiseling the crack into a V-shape, to a depth and width of 25mm and priming it with PRIMER A18 followed by the application of Colmef cementitious repair material.
Voids and honeycombs shall be patched with BETOFINISH C, a single component polymer modified fairing coat, allowing the area to cure before applying the membrane.
Right angle bends
All right angle bends must have a coving detail installed. In areas where parapet walls, columns, pipe penetrations are present, a 45° coving fillet shall be made at all corners using BETOCEM FIBER, a Fiber reinforced shrinkage controlled mortar for concrete repair to the water saturated cured surface.
All other angles, joints, protrusions and stress joints should be pre-treated with a heavy application of IDROLASTIC extending 150mm on both sides of the coving.
Movement Joints
Expansion and movement joints should be sealed with ELASTOSEAL PU25, a Polyurethane sealant. The joint sealant shall be left to cure before the application of IDROLASTIC waterproofing membrane.
Priming
Priming is not normally required on good quality concrete substrates. However, all surfaces must be splashed with clean water before applying IDROLASTIC.
Highly porous concrete or concrete containing microsilica will require priming with PRIMER A18, a synthetic, high penetrating primer.
The primer shall be applied at a rate of 5-6m²/L and left to achieve a tack-free condition before applying the top coat. A second coat of primer may be required if the substrate is excessively porous.
Mixing
IDROLASTIC is supplied in pre-measured quantities. Pour into a clean container component B (liquid) and then add component A (powder). Mix at 500-700rpm until obtaining a homogeneous mixture free from lumps.
It is recommended to mix with an electrical drill fitted with suitable paddle, at low number of turns, to avoid air bubbles.
Pour into a clean container component B (liquid) and then add component A (powder). Mix at 500-700 rpm until obtaining a homogeneous mixture free from lumps.
Application
Apply the mixture using a spatula, a roller, or a brush, in at least two coats, with a thickness not more than 1 mm per coat. Before the second coat is applied make sure that the first one has hardened sufficiently.
On substrates exposed to movements deformation or where cracks are expected it is recommended to fix ARMOFLEX 60, reinforcing glass fiber mesh into the first coat of IDROLASTIC.
The finishing can be done with a smooth spatula, few minutes after the application.
Ceramic tiles laying can start after at least 2 to 3 days, using elastic adhesives such as NEOFIL F8 tile adhesive mixed with ELASTOKOL. Joints must be filled using NEOFIL COLOR tile grout mixed with GIUNTOLASTIC.
Curing and Protection
Surfaces treated with IDROLASTIC must be kept damp and must be protected from the drying action of direct sunlight (exposed areas) for a minimum period of 3 days after application.
Cleaning
All tools should be cleaned with water. Cured material can only be removed mechanically.
Recommendations
The product must be handled with caution. Use gloves, protective creams and goggles to avoid the contact with eyes and skin. In case of skin contact clean immediately with a resin removing cream, followed by soap and water. In case of contact with eyes, use clean water to wash the eyes and seek doctor medical attention immediately.
The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.
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