Product Description
Rustoleum Mathys Mur-Filler is an elastic joint filler based on water dispersed high polymers.
Best Uses
Rustoleum Mathys Mur-Filler is suitable for the 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. Mur-Filler is also suitable for the filling up of joints between masonry and windows or door frames, or rejointing of paving tiles on terraces provided there is no stagnating water.
- High filling power
- Elastic
- Not sandable (contains quartz)
Application
Prior to use, cracks to be treated must be opened V-shaped, dusted off and impregnated with Rustoleum Primer 44 HS, with Rustoleum Vernac (diluted with 10% Thinner 22) or with Rustoleum Pegafix.
Recommended Products To Use

Rustoleum Thinner 22
Thinner for Rustoleum Primer 44 HS, Fassiclor, Galvaprim and Vernac Acrylic Varnish.

Rustoleum Mathys Pegafix Universal Impregnating Adhesion Primer
Aids the performance of water based paints.

Rustoleum Primer 44 HS
Ideal for Corrugated Fibre Asbestos roofs to improves the adherence of topcoats such as Rustoleum Dacfill or Rustoleum Dac...