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MasterSeal P 640 - Single component polyurethane primer for MasterSeal M 635 and MasterSeal M 640

How does MasterS​​eal P 640 work ?

MasterSeal P 640 is a single component, polyurethane based, solvent containing primer for absorbent surfaces in applications where MasterSeal M 640 is used.

W​hat are the recommended uses of MasterSeal P 640?

• Primer for polyurethane waterproofing membranes like certified MasterSeal M 635.
• Can be applied on concrete, cement mortar, wood, etc.

​What are the features and be​​nefits of MasterSeal P 640?

• Single component product that allows simple application without the need of mixture.
• Excellent adhesion
• Excellent penetration and sealing of pores of concrete
• Fast Curing
• Elasticity to absorb substrate movements
• Resistant to standing water
• Frost resistant
  

Download the MasterSeal P 640 Technical Data Sheet​

Explore other liquid applied waterproofing membranes solutions

​MasterSeal HLM 5000R - Liquid cold-applied waterproofing membrane system​

MasterSeal Roof 3000 - Liquid applied ​crack bridging waterproofing membrane for exposed situations

MasterSeal Roof 3500 - Crack bridging, spray applied waterproofing system for roofs​​

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