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Medium Bed PermaFlex 550

A high performance, one-component, portland cement-based, large format tile (LFT) mortar for interior / exterior floor applications where the final embedded thickness is between 3/16” to 3/4” (5 mm to 19 mm).

Features:
  • Polymer-modified, just add water
  • Can be used for bedding thickness 3/16” (5 mm) to 3/4” (19 mm)
  • Helps overcome irregularities in tile thickness
  • Extended open time
  • Good flexibility
  • Interior or exterior floor applications
  • Better bond strength
  • ANSI A118.4, A118.11 and ISO 13007 C2ES1P1
Uses:
For installation of:
  • Porcelain tile
  • Ceramic tile
  • Quarry tile
  • Non-moisture sensitive natural stone*
  • Cement tile and pavers
  • High bottom lugged tile
  • Ideal for light colored glass tile
* All natural stone should be tested to be sure discoloration does not occur.

For installation over:
  • Properly cured and finished concrete
  • Cured portland cement mortar
  • Cement backer unit (CBU)
  • Exterior grade plywood (interior floors only) - 19” (48 cm) on center (OC) max
  • ProSpec B-6000 Waterproof / Crack Isolation Membrane
  • Properly prepared cutback
  • Properly prepared tile
  • Properly prepared VCT tile
  • Cork underlayment
Note: Difficult to bond substrates like existing vinyl tile or cutback adhesive require extra preparation. Consult ProSpec’s Technical Services.

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