MasterHeat Mix In Floor Heating Mortar

MasterHeat Mix In Floor Heating Mortar
MasterHeat Mix In Floor Heating Mortar

Product Description

Our MasterHeat Mix is specifically engineered for covering radiant heat cables and RPM mats. MasterHeat Mix is a fast setting, high strength dry polymer modified mortar that is designed to be mixed with water; no other liquid additive is needed. This product is a cement based multipurpose floor repair and leveling compound. MasterHeat Mix can be installed from 3" thick (with added aggregate) to a 1/16" feather edge.

Suitable for both interior and exterior applications, MasterHeat Mix has excellent adhesion to properly prepared surfaces and is ready for traffic just 1 to 2 hours after installation, depending upon temperature and thickness. This product contains no gypsum.

Packaging and Coverage:

  • Sold in 50lb bags (gray powder)
  • When used directly over heat cable, one bag covers 25 s/f @ 1/4"
  • Over RPM-330 and RPM-V1, one bag covers 23.5 s/f  @ 5/16"
  • Over RPM-500 one bag covers 14.5 s/f @1/2"


Product Data Sheet

Product Specifications

SKU: m-masterheat_50
Non-Returnable: Yes
Manufacturer: MasterHeat

Product Questions & Answers

Q: I have 3 bags of this but I'm no longer doing the heat coils. Can I use it just like thin-set or as a regular mortar under a shower pan? THANKS
It can not be used as a thin-set, but it can be used as mortar to build shower pan. But just a reminder, it sets-up very fast.
Customer Support answered on September 18, 2017
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