
Mapei
MAPEPROOF SWELL
Hydro-expansive, rubber-based hydrophilic sealant paste in tubes, applied using an extrusion gun
SKU: MAPEI-MAPEPROOF-SWELL-712
About this itemMAPEI CERTIFIED
- Consistency: Thixotropic paste WATERPROOFING
- Color: Light grey HYDRO-EXPANSIVE
- Density: 1.25-1.30 g/cm³ PROFESSIONAL USE
- Volumetric Expansion in Water: Minimum 100% MAPEI CERTIFIED
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Uses & Advantages
Primary Uses
- Sealing pipe-work passing through concrete
- Sealing spacers in formwork
- Sealing cold joints in reinforced concrete structures
- Sealing water seepage through cracks in reinforced concrete
- Bonding various types of joints
- Sealing lights and drainage outlets in swimming pools and tanks
- Sealing construction joints in concrete walls
Key Advantages
- Expands volumetrically by at least 100% upon contact with water
- Bonds effectively to damp and uneven surfaces
- Resistant to significant hydrostatic pressure when confined
- Easy application using an extrusion gun
FEATURES & BENEFITS
Consistency
Thixotropic paste
Color
Light grey
Density
1.25-1.30 g/cm³
Volumetric Expansion in Water
Minimum 100%
Shore A Hardness
32 (DIN 53505)
Elongation
> 700% (DIN 53504)
Tear Strength
10 N/mm (ISO 34-1)
Recommended Application Temperature
+5°C to +40°C
Mapeproof Swell is a one-component, hydro-expansive, rubber-based hydrophilic sealant paste designed for creating flexible and durable waterproof seals in cracked reinforced concrete and prefabricated elements. It is ideal for sealing applications where water infiltration is a concern, offering excellent bonding to damp or uneven surfaces and resistance to hydrostatic pressure when confined.
Key Specifications
Formation of Surface Skin180200 minutes
Polymerization Time2 mm every 9 hours
ConsumptionApproximately 320 ml per 3 linear metres
Sealing of Water1 ATM
Storage Temperature+15°C to +25°C
Shelf Life12 months in a dry place
Packaging / Pack SizeBoxes containing 6 cartridges of 320 ml each.
Certified standard values under UAE climate conditions.
DOWNLOADS & DATA SHEETS
Key Performance Benefits
Consistency
Thixotropic paste
Color
Light grey
Density
1.25-1.30 g/cm³
Volumetric Expansion in Water
Minimum 100%
Shore A Hardness
32 (DIN 53505)
Elongation
> 700% (DIN 53504)
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
Each 320 ml cartridge can form approximately 3 linear metres of bead with a diameter of 6 to 13 mm.
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