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• Features & Benefits
• Preparation
• Application
• Limitations

Features & Benefits

• Mapecomfort FL is used for the Mapefloor Comfort System AL/X and Mapefloor Comfort System AR/X elastic and flexible polyurethane systems when creating civil floors for the service sector characterised by a high level of comfort underfoot, good soundproofing properties to combat the sound of footsteps and good reduction of noise transmission
• Made from engineered rubber granules bound together with high quality polyurethane resin
• Using this mat gives the Mapefloor Comfort System AL/X and Mapefloor Comfort System AR/X flooring systems a high level of comfort underfoot and good soundproofing capacity against impact noise

Preparation

Cementitious substrates must be dry, fully cured and stable, their compressive strength must be at least 25 N/mm² and their tensile strength must be at least 1.5 N/mm²; in all cases, the mechanical characteristics of the substrate must be suitable for the specified type of use. Remove all loose or crumbling areas with power tools. The surface of ceramic or natural stone substrates must be roughened and all traces of enamel paint and polish must be removed with a diamond grinding disk or by shot blasting.

Any cracks or uneven areas in the surface must be repaired by filling them with Primer SN or Mapefloor I 300 SL. Repair large areas of damaged concrete with Mapefloor EP19 epoxy mortar.

Before laying and bonding Mapecomfort FL, remove all traces of dust from the surface of the substrate with a vacuum cleaner.

Open the rolls of Mapecomfort FL and lay them over the surface to be covered at least one day before bonding them in place so they become acclimatised to the surrounding conditions and lose the rounded shape they acquired while rolled up.

Application

Mapecomfort FL must be fully-bonded to the substrate using specific Mapefloor Pore Filler polyurethane adhesive. When bonding the sheets of mat to the substrate, make sure the rolls are butted tightly against each other and there are no gaps left between them. Cut Mapecomfort FL to shape around any vertical surface leaving a gap of 1 cm. Once Mapecomfort FL has been laid out on the fresh Mapefloor Pore Filler in the position required, it is recommended to go over the surface with a lawn roller to make sure the mat is firmly bonded to the substrate.

Once the adhesive has set, skim the surface of the Mapecomfort FL mat down to a feather edge with Mapefloor Pore Filler to fill all the pores. Apply the filler with a straight trowel, making sure the joints between the rolls and the gaps between the rolls of mat and any vertical features are completely filled. When the skim coat has set, check the surface carefully to make sure there are no open pores. If there are any open pores, skim over them again with Mapefloor Pore Filler.

Any localised defects such as blisters, raised areas or overlaps at the edges of the rolls, etc. must be removed with a special cutter and the gaps that are left, and any hollows or thin areas, muse be grouted and filled with Mapefloor Pore Filler. See the relative Technical Data Sheet for information on how to use Mapefloor Pore Filler correctly.

Limitations

• Do not bond the sheets if the temperature is lower than +10°C or higher than +30°C or if the level of air humidity is more than 85%
• Prevent the surface getting wet for at least 24 hours after bonding the sheets
• Do not apply Mapecomfort FL on:
  • Dusty, crumbling or weak surfaces
  • Substrates with oil or grease stains or stains in general
  • Flooring used by heavy-goods
  • Substrates with capillary rising damp
  • Surfaces that have not been prepared beforehand with special Mapefloor Pore Filler adhesive