12/17/2023 0 Comments Piperoll level 125Repairs to the substrate, filling of blowholes/voids must be carried out using appropriate products such as Sika Concrete Repair Mortar. Weak concrete must be removed and surface defects such as blow holes and voids must be fully exposed. Switch off underfloor heating 24 hours before and after application. The surface should be free from residual adhesives, damp proof membranes, oil, grease, wax, loose flaky paint, dust, laitance etc. 25 N/mm2) with a minimum pull off strength of 1.5 N/mm2.The Surface must possess an effective damp proof membrane. The concrete substrate must be sound and of sufficient compressive strength (min. This figure is theoretical and does not include for any additional material required due to surface porosity, surface profile, variations in level or wastage etc. SikaBond PVA (1 part PVA to 4 parts clean water) may also be used LevellingĪpply to the required thickness up to 6mm Consumption/DosageĢ5kg will cover approx. Please refer to the relevant PDS for the recommended application details etc. The one part acrylic primer Sika® -Level-01 Primer is recommended for a pore free surface with very good surface adhesion. Suitable for use with under floor heating systems (not for embedment) System Structure Priming
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