Sika Concrete Primer, Polyurea Primer for Cementitious Lam Roof Waterproofing, Exterior, Pale yellow, 11.5 L
SIKA
Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.
Read more| Polyurea primer on cementitious substrates for LAM Roof Waterproofing Sika® Concrete Primer is a 2-part, polyurea/polyurethane-hybrid primer for cementitious substrates. The rapid curing performance allows overcoating of Sika® Liquid Applied Membrane (LAM) roofing systems after 30 minutes.
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UsagePrimer on cementitious substrates for use with exterior applications of:
Advantages
Packaging
Refer to current price list for packaging variations ColourLiquid / pale yellow | |||||||||
Application Information Mixing Ratio Primer Part A : Part B = 3,64:1 (by volume)
Ambient Air Temperature +5 °C min. / +30 °C max. Dew Point Beware of condensation. The substrate and uncured applied material must be at least +3 °C above dew point Substrate Temperature +5 °C min. / +30 °C max. Substrate Moisture Content ≤ 4 % parts by weight The following test methods can be used: Sika®-Tramex meter, CM-measurement or Oven-dry-method. No rising moisture according to ASTM (Polyethylene-sheet). Pot Life Sika® Concrete Primer is designed for fast curing. High temperatures combined with high air humidity will increase the curing process. Mixed material in opened containers must be applied immediately. In opened containers, the material will form a film after ~1 hour. Waiting Time / Overcoating
Apply an additional coat if 24 hours is exceeded before coating. Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity. |