
Mapei
MAPEGUM PU 1K
One-component, solvent-free, flexible polyurethane membrane for flexible waterproofing coats and bonds for new ceramic floors on new and old balconies and terraces without removing the old ceramic coating. TECHNICAL DATA: Consistency: creamy paste. Density of the mix: 1500 kg/m³. Storage: 12 months. Application temperature range: from +5°C to +35°C. Hardening time for a 2 mm thick layer: 12 hours. Waiting time before laying ceramic tiles: 12-24 hours. Set to light foot traffic: 12-24 hours. Tensile strength: 1.6 N/mm². Elongation at failure: 140%. Tear strength: 10.5 N/mm. In service temperature range: from -20°C to +70°C. Resistance to 5% lactic acid solution: excellent. Resistance to 5% acetic acid solution: excellent. Resistance to 3% hydrochloric acid solution: excellent. Resistance to 3% potassium hydroxide solution: excellent. Consumption: 1.4 kg/m² per mm of thickness. Packaging: 15 kg aluminium bags contained in plastic drums.
SKU: MAPEI-MAPEGUM-PU-1K-578
About this itemMAPEI CERTIFIED
- Consistency: Creamy paste with a beige color. ONE-COMPONENT
- Density: 1.5 g/cm³. SOLVENT-FREE
- Dry Solids Content: 100%. FLEXIBLE POLYURETHANE MEMBRANE
- Tensile Strength: 1.6 N/mm² (after 7 days at +23°C and 50% R.H. + 14 days at +50°C). MAPEI CERTIFIED
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Uses & Advantages
Primary Uses
- Waterproofing new terraces and balconies before laying ceramic or stone floors.
- Waterproofing existing tiled terraces and balconies with water leakage issues.
- Bonding ceramic and natural stone tiles on waterproofed surfaces.
- Waterproofing wooden worktops before tiling.
Key Advantages
- Ready-to-use, one-component product that does not require pre-mixing.
- Solvent-free and low-odor, suitable for applicators sensitive to epoxy-polyurethane products.
- Flexible and soundproofing properties, reducing noise caused by footsteps.
- Can be reused if stored properly in its original packaging.
FEATURES & BENEFITS
Consistency
Creamy paste with a beige color.
Density
1.5 g/cm³.
Dry Solids Content
100%.
Tensile Strength
1.6 N/mm² (after 7 days at +23°C and 50% R.H. + 14 days at +50°C).
Elongation at Breakage
140% (DIN 53504).
Tear Strength
10.5 N/mm (ISO 34-1).
Shore A Hardness
65 (DIN 53505).
Waterproofing Performance
Waterproof under 7 bar pressure for 24 hours (EN 12390/8 Modified).
In-Service Temperature Range
-20°C to +70°C.
Mapegum PU 1K is a ready-to-use, one-component, solvent-free, flexible polyurethane membrane designed for waterproofing new and old terraces and balconies. It can be applied directly over existing ceramic or natural stone tiles without the need for removal, making it an efficient solution for renovation projects. With its easy application and soundproofing properties, it provides a durable and effective waterproofing layer for various substrates.
Key Specifications
Consumption1.5 kg/m² per mm of thickness
Recommended Application Temperature Range+5°C to +35°C
Time to Complete Hardening (2 mm layer12 hours
Set to Light Foot Traffic1214 hours
Waiting Time Before Laying Tiles1214 hours
Shelf Life12 months in original, wellsealed container
Packaging / Pack Size15 kg aluminum bags contained in plastic drums.
Certified standard values under UAE climate conditions.
DOWNLOADS & DATA SHEETS
Key Performance Benefits
Consistency
Creamy paste with a beige color.
Density
1.5 g/cm³.
Dry Solids Content
100%.
Tensile Strength
1.6 N/mm² (after 7 days at +23°C and 50% R.H. + 14 days at +50°C).
Elongation at Breakage
140% (DIN 53504).
Tear Strength
10.5 N/mm (ISO 34-1).
Storage & Handling Guidelines
- Store in original unopened container in cool, dry indoor conditions.
- Keep away from direct sunlight, rain, and extreme heat.
- Shelf life is 12 months when stored properly between +5°C and +35°C.

Why Buy From pilehead.com?
Genuine Mapei Product
Competitive UAE Pricing
Bulk Order Support
Fast Jobsite Delivery
FREQUENTLY ASKED QUESTIONS
The consumption rate is approximately 1.5 kg/m² per mm of thickness.
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