MAPEI IDROSTOP MASTIC, White, 300ML

Product Details

 91 000 74051 Mapei Idrostop Mastic A one-component, thixotropic, solvent-free adhesive made from silliated polymers. It is specifically designed for bonding Mapei Idrostop hydrophilic expanding rubber waterstop profiles.Primary Function: To provide a high-tack, rapid-hardening bond for installing Idrostop waterstop strips in concrete construction joints, ensuring a perfect and permanent seal against water ingress.Key Features & Benefits (from TDS):High Initial Tack: Holds the Idrostop profile in place immediately after application.Rapid Hardening: Sets by reacting with air moisture, achieving initial hardening in 25 min - 1.5 hrs.Thixotropic: Perfect for application on both horizontal and vertical surfaces without sagging.Solvent-Free & Low VOC: Does not give off unpleasant smells and is certified EC1 Plus for very low emissions.Versatile Adhesion: Bonds to concrete, metal, and plastic surfaces.Damp Tolerant: Can be applied on slightly damp substrates.Q1: What is this product specifically used for?A: It is used exclusively for bonding Mapei Idrostop hydrophilic waterstop strips in concrete construction joints to create a permanent waterproof seal. It is not a general-purpose adhesive.Q2: How is it applied?A:Prepare Surface: Ensure the concrete/metal/plastic surface is clean, sound, and free of oil, grease, or laitance.Load Cartridge: Use a standard sealant gun with the 300ml cartridge and provided nozzle.Apply Bead: Extrude a continuous bead of mastic onto the substrate.Place Idrostop: Immediately press the Idrostop profile onto the mastic, moving it slightly to ensure full contact and adhesion.Concrete Pouring: Concrete can be poured after 24 hours.Q3: What is the coverage or consumption?A: Consumption is approximately 300 ml of mastic for every 5 meters of Idrostop profile.Q4: What are the key setting times?A (at +23°C & 50% RH):Dust Dry: 10 minutesAdjustment Time: 5 minutesInitial Hardening: 25 minutes (on damp substrates) to 1.5 hours (on dry substrates)Final Hardening: 24 hoursQ5: What is the temperature range for application?A: It can only be applied when the temperature is between +5°C and +35°C.Q6: What is the shelf life?A: 18 months from the date of manufacture when stored in its original, unopened packaging in a dry, cool place.Q7: Is it safe to use?A: It is solvent-free and not classified as hazardous. However, as a professional product, it is recommended to wear protective gloves and goggles during handling. Always refer to the latest Safety Data Sheet (SDS).Q8: How do I clean tools?A: Clean wet mastic with solvents like ethyl acetate, petrol, or toluene. Once hardened, it can only be removed mechanically.