- Hong Kong SAR
Exposed Roof - Sikalastic®-822
Application area | : | Roof | Indoor | Outdoor |
Type | : | Polyurethane liquid membrane |
Material | : | Polyurethane |
Storage Conditions | : | Protect from direct sunlight and frost |
Shelf Life | : | 6 months from date of production |
Usage | : | As waterproofing membrane underneath hot poured asphalt | For other concrete structures & non-trafficked concrete areas with an additional top coat for UV protection | As repair kit for Sikalastic®-8 | For upstands & details on torched bituminous membrane |
Colour | : | Grey | Approx RAL 7005 |
Chemical Base | : | 2-component polyurethane resin |
Packaging | : | Part A: 21 kg drum | Part B: 14 kg drum |
Applicator | : | Roll |
Dew Point | : | Must be at least 3 °C above dew point to reduce the risk of condensation or blooming on the membrane finish |
Relative Air Humidity | : | maximum 85 % |
Ambient Air Temperature | : | +8 °C minimum/ +40 °C maximum |
Layer Thickness | : | Minimum 2 mm |
Mixing Ratio | : | Part A : Part B = 60 :40 (By weight) |
Thermal Resistance | : | Short term resistant to mastic asphalt up to +240 °C |
Chemical Resistance | : | Resistant to de-icing salts | Bitumen | Alkalis |
Crack Bridging Ability | : | Up to 0.3 mm at -20 °C |
Tensile Strength | : | ~4.4 N/ mm² (DIN 53504) |
Viscosity | : | Part A: ~14 500 mPa·s | Part B: ~9 300 mPa·s |
Solid Content By Weight | : | ~96 % |
Density | : | Part A: ~1.69 kg/ l and Part B: ~1.05 kg/ l | Mixed resin: ~1.33 kg/ l |
Highly Elastic Waterproofing Membrane | : | Yes |
Excellent Crack Bridging Properties | : | Yes |
Substrate Temperature | : | +8 °C minimum/ +40 °C maximum |
Substrate Moisture Content | : | ≤ 4% according CM method |
Consumption | : | ~1.33 kg/ m²/ mm |
Certification | : | ISO 14001 SGS | ISO 9001 SGS |