Mathys Mur-Filler


Mathys Mur-Filler is an elastic joint filler that contains quartz for the preparation of active and non-active cracks, can be used interior and exterior.

  • Elastic
  • High filling power
  • Not sandable (contains quartz)

£4.80 Incl. VAT
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Mathys Mur-Filler

Mathys Mur-Filler is an elastic joint filler that contains quartz for the preparation of active and non-active cracks, can be used interior and exterior.

Before the application of a Murfill system

  • Repair of joints and cracks on inside and outside walls, for instance: stopping up of active and non-active cracks and joints in masonry, concrete and cement fillings.
  • Filling up of joints between masonry and windows or doorframes.
  • Rejointing of paving tiles on terraces provided there is no stagnating water.


  • Elastic
  • High filling power
  • Not sandable (contains quartz)

Technical Data

  • Density: 1,48
  • Solids content in volume: 69 %
  • Solids Content in weight: 79 %

Drying Times At 20°C/RH 50%

  • Touch dry: 16 hours (8 mm wet film thickness)
  • Dry to handle: 18 hours (8 mm wet film thickness)
  • Dry to recoat: Minimum 1 day
  • Fully cured: 1 week

Surface Preparation

The cracks to be treated must be opened V-shaped, dusted off and impregnated with Primer 44 HS, with Vernac (diluted with 10% Thinner 22) or with Pegafix.

Application Conditions

  • Apply in drying conditions at minimum 5°C.
  • Cleanup with water


  • Contains quartz, so not appropriated as putty
  • Manual spray gun: adapt opening of cartridge to the desired joint width
Product Details

Data sheet

Interior / Exterior Use
Interior and Exterior
Water / Solvent Based
For Use On
Masonry, Concrete, Cement, Paving Tiles
Application Method
Application Gun
Standard / Ready Mixed
VOC Levels
Ultra-Low (5-49 g/l)
Single, Two or Three Pack
Pack Size
Dry to Handle (at 20°C)
18 hours (8 mm wet film thickness)
Dry to Recoat (at 20°C)
Minimum 1 day
Fully Cured (at 20°C)
1 week
± 50 – 60cm joint length per 310ml cartridge (V shape joint 1cm deep)
Min. Application Temperature
Solids by Volume
69 %
mAX; 5g/l
Shelf Life (from date of manufacture)
2 years from date of production in unopened cartridges, if stored in dry, well ventilated areas, not in direct sunlight at temperatures between 5° and 35°C
Touch Dry
16 hours (8 mm wet film thickness)
Recommended Dry Film Thickness
6,9 mm (cons.: 15 kg/m²). 50 - 60 cm joint length per tube. 1 cm joint depth for a joint in V-shape
Recommended Wet Film Thickness
10 mm (cons.: 15 kg/m²)
UN Number
Not regulated

Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.

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