PILEHEAD
MAPEFLEX AC4

Mapei

MAPEFLEX AC4

Paintable acrylic sealant for movements up to 12.5% with a smooth effect. TECHNICAL DATA: Movement in service: 12.5%. Modulus of elasticity at 50% elongation: 0.20 N/mm². Shore A hardness: 10. Workability time: 10 minutes. Colours: white and grey. Application: extrusion gun, trowel, pneumatic pump. Consumption: 3.1 linear metres per 310 ml cartridge (10x10 mm section). Packaging: 310 ml cartridges and 550 ml soft-cartridges.
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SKU: MAPEI-MAPEFLEX-AC4-415

About this itemMAPEI CERTIFIED

  • Temperature Resistance: Flexible at temperatures as low as -30°C and resistant to temperatures up to +80°C (short-term up to +100°C). PAINTABLE ACRYLIC SEALANT
  • VOC Emissions: Certified as very low emission (EC1 Plus) according to EMICODE standards. RESISTANT TO TEMPERATURE VARIATIONS
  • Adhesion: Adheres to all porous surfaces, including concrete, wood, gypsum, plaster, brickwork, lightweight concrete, and natural stone. VERY LOW VOC EMISSIONS (EC1 PLUS CERTIFIED)
  • Durability: Resistant to water (not for permanent immersion), diluted acids, and alkalis. MAPEI CERTIFIED

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Uses & Advantages

Primary Uses

  • Sealing internal and external expansion and construction joints with medium movement
  • Sealing joints between precast concrete panels, wood, plasterboard, and other porous materials
  • Airtight and waterproof sealing of wooden frames and masonry
  • Sealing joints in thermal cladding systems, including insulation panels and external building features

Key Advantages

  • Easy to apply on both horizontal and vertical surfaces
  • Resistant to severe weather conditions, industrial environments, and thermal gradients
  • Flexible at temperatures as low as -30°C and resistant to temperatures up to +80°C (short-term up to +100°C)
  • Compatible with elastomeric paints for a seamless finish

FEATURES & BENEFITS

TECHNICAL DATASHEET SPEC

Temperature Resistance

Flexible at temperatures as low as -30°C and resistant to temperatures up to +80°C (short-term up to +100°C).

VOC Emissions

Certified as very low emission (EC1 Plus) according to EMICODE standards.

Adhesion

Adheres to all porous surfaces, including concrete, wood, gypsum, plaster, brickwork, lightweight concrete, and natural stone.

Durability

Resistant to water (not for permanent immersion), diluted acids, and alkalis.

Mapeflex AC4 is a one-component, acrylic resin-based sealant in water dispersion, designed for sealing internal and external expansion and construction joints. It is highly flexible, resistant to temperature variations, and adheres to a wide range of porous building materials. This product is certified for very low VOC emissions, making it an environmentally friendly choice for construction projects.

Key Specifications

Origin: UAE
ConsistencyThixotropic paste
Density1.63 g/cm³
Application Temperature Range+5°C to +40°C
Skin Formation Time1015 minutes
Hardening Rate3 mm/day at +23°C and 50% R.H.
Elongation at Break500%
Packaging / Pack SizeAvailable in 310 ml cartridges, 550 ml soft cartridges, and 25 kg buckets in white and grey.
Certified standard values under UAE climate conditions.

DOWNLOADS & DATA SHEETS

Mapei MAPEFLEX AC4 SDSMapei MAPEFLEX AC4 TDS

Key Performance Benefits

  • Temperature Resistance

    Flexible at temperatures as low as -30°C and resistant to temperatures up to +80°C (short-term up to +100°C).

  • VOC Emissions

    Certified as very low emission (EC1 Plus) according to EMICODE standards.

  • Adhesion

    Adheres to all porous surfaces, including concrete, wood, gypsum, plaster, brickwork, lightweight concrete, and natural stone.

  • Durability

    Resistant to water (not for permanent immersion), diluted acids, and alkalis.

Storage & Handling Guidelines

  • Store in a cool, dry place and protect from frost.
  • Stable for 24 months under proper storage conditions.
Product packaging

Why Buy From pilehead.com?

Genuine Mapei Product
Competitive Pricing
Bulk Order Support
Reliable UAE Delivery

FREQUENTLY ASKED QUESTIONS

Q&A TECHNICAL HUB
The coverage depends on the joint dimensions. Refer to the width-to-depth ratio table in the technical data sheet for precise calculations.

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