Sikalastic®-311 (AE)

Sikalastic®-311 (AE)
COLD APPLIED PITCH MODIFIED POLYURETHANE WATERPROOFING MEMBRANE
DESCRIPTION
Sikalastic®-311 (AE) is a cold applied Single component
Pitch Modified Hydrophilic polyurethane waterproofing membrane.
Suitable for use in hot and tropical climatic conditions.
USES
Sikalastic®-311 (AE) may only be used by experienced
professionals.
For waterproofing solutions in both new construction and refurbishment projects

For use as a waterproofing membrane underneath
hard landscaping on podium areas

For the waterproofing of bathrooms, shower rooms,
kitchens, Balconies and plumbing rooms beneath
hard protection, for example ceramic tiles

Substructure foundations as a damp-proofing Solution

Horizontal and vertical applications
CHARACTERISTICS / ADVANTAGES
Highly elastic and crack-bridging
One-component – ready to use
Excellent adhesion on porous and non-porous substrates

Seamless, fully bonded waterproofing membrane
High tensile strength
Resistant to oxidation
Repair friendly
Cold applied – requires no heat or flame
Self priming
Thixotropic
Elastomeric
Moistue tolerant to damp substrates
APPROVALS / CERTIFICATES
Sikalastic®-311 (AE) follows the requirements of ASTM
D 2833, D-412, D-417, E-96/BW & ASTM C 836
Nil water penetration in accordance with BS EN 12390
PRODUCT INFORMATION
Composition Pitch Modified Polyurethane Resin
Packaging 20 L Pail (~22 kg)
Appearance / Colour Dark Black
Shelf life 12 months minimum from date of production if stored properly in original,
unopened and undamaged sealed packaging.
Storage conditions Store in dry conditions in original packaging at temperatures between +5
°C and +35 °C. Protect from direct sunlight and frost.
Density ~1.1 (ASTM D6937 – 08)
Solid content by weight ~65 %
Solid content by volume ~85 %
TECHNICAL INFORMATION
1 / 4
Shore A Hardness ~53 (ASTM D 2240)
Tensile Strength ~1.5 N/mm2 unreinforced (ASTM D 412)
Elongation at Break ~600 % (ASTM D 412)
Tear Strength ~22 N/mm2 (ASTM D 624)
Chemical Resistance Sikalastic®-311 (AE) is resistant to de-icing salts, bitumen, alkalis, freshand ground water and various chemicals.
Permeability to Water Vapour Nill (ASTM E96)
SYSTEMS
Systems Layer Product Consumption Dry Film Thickness (DFT)
Primer Sikalastic®-311
(AE)
or
SikaBit® P-12 AE
or
SikaBit® P-11 SA
~210 g/m2 (0.19
L/m2)
~300 g/m2
~161μm
Base Coat Sikalastic®-311
(AE)
~750 g/m2 (0.61
L/m2)
~520 μm
Top Coat Sikalastic®-311
(AE)
~750 g/m2 (0.61
L/m2)
~520 μm
Total DFT 1200
μm minimum
The above are minimum system coverage rates, and may vary depending
on specification and project requirements.