Pitch Elastomeric Single Component Polyurethane Waterproofing Membrane
ELASTOTHANE TR is a liquid applied, single-component moisture-cured polyurethane coating, designed to form a seamless, elastomeric rubber waterproofing membrane. When fully cured ELASTOTHANE TR forms a permanently flexible waterproof lining to most building surfaces including reinforced concrete, block works, brick works, cement render, plaster board and fibrereinforced cement.
The product supplied in 15 Liter cans.
Consumption: Approximately 0.9 m2/Liter at 1mm thickness
Keep the product in dry and sheltered place at temperature between +5oC to +25oC. In these conditions and in closed original containers, the product will have a shelf life of 12 months.
|Elongation at Break (ASTM D412)||
500 ± 50 %
|Tensile strength (ASTM D412)||
|Recovery from 100 % elongation (ASTM D412)||
|Adhesion to concrete||
> 1.0 N/mm2
|Tear Resistance (ASTM D624)||
|100% Modulus of Elasticity (ASTM D412)||
|Crack bridging (ASTM C836)||
No loss on bond after extension of 3.2mm
|Water vapor transmission (ASTM E96)||
|Swelling in Water at 3 days||
|Shore A Hardness||
45 ± 5
|Extensibility after heat ageing||
No Cracking or Tearing
Good resistance against acidic and alkali solutions, detergents, seawater and oils.
|Tack free time at 25⁰ C||
-5⁰C to +80 ⁰C
|Final Curing time at 25⁰C||
2 days at 1.3mm thickness
Shrinkages and non-moving structural cracks less than 1.0mm shall be filled with a pre-treatment strip of ELASTOTHANE TR of 1.0mm thick extended to 75 mm on both sides of the crack. Voids and honeycombs shall be patched with BETOFINISH C or EPOFINISH C 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 ELASTOTHANE TR extending 150mm on both sides of the coving.
Expansion and movement joints should be sealed with ELASTOSEAL PU, a Polyurethane sealant. When cured a stripped layer of ELASTOTHANE TR 200mm wide shall be applied and centered over all the sealed joints. While the membrane is still wet, fibre mesh shall be pressed to soak before saturating it again with another coat of ELASTOTHANE TR till it is fully covered. Allow to cure before the general application. The surface shall be prepared.
In case of very porous substrates, it is advisable to apply ELASTOTHANE TR diluted with 20% OF SOLVENTE 10 as primer.
The primer should be left to achieve a tack-free condition before applying the top coat.
ELASTOTHANE TR should be stirred before use until a uniform color and consistency of the product is achieved.
ELASTOTHANE TR shall be applied by brush, roller, trowel or airless spray in 2 coats to achieve a minimum dry film thickness of 1.0 mm for each coat.
The two coats must be applied at right angles to one another. A layer of ARMOFLEX, a fiber glass mesh should be embedded between the two ELASTOTHANE TR coats over pipe culverts, floor drains, corner joints and floor / wall junctions.
Tools and equipment used for ELASTOTHANE TR should be cleaned with SOLVENTE 10 directly after use.
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.
Oil, grease, varnishes, rust, dust and mould on metal surfaces shall be removed by wire or stiff brushing and grit blasting then wiped with SOLVENTE 10 prior to priming.
New concrete or cementitious surfaces should be at least 28 days old and have moisture content not exceeding 5%. Old or existing surface should be refurbished mechanically to ensure clear and sound substrate.
During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.
In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.
If ingested, obtain medical attention immediately. Do not induce vomiting.
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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