Pre-dosed monofilament fiber

Our fibers are in the form of fibers, polypropylene, white, 12 mm packaged in pouch pre-measured for ease of proper dosage and proper use.

The fibers are intended to replace the mesh anti-cracking, as well as to reinforce concretes, mortars and plasters.

Dosing is easy : 1 dose for 1 sack of cement of 35 kg.

More details

4.13€ tax incl.

In stock Order shipped within 1 to 3 days


Harmony Polypropylene fibres increases the resistance of concrete and mortar, plaster and all other coatings and reduces hair and lattice cracks.

Insensitive to acids, water and salts.

Available in white; 12, or 20 mm long.

For ease of dosage and application packed in 75 or 500g bags.


Type: Polypropylene fibres, 12 mm

Packaging: +/- 500 g bag

Dosage: 1 bag / 500 g for 1m3 Beton.

Type: Polypropylene fibres, 20mm

Packaging: +/- 75 g bag

Dosage: 1 bag / 75 g for 1 bag of cement Zement of 35 kg.

Storage: 24 months in unopened original packaging, stored in a dry and frost-free location.

Guarantee: Manufacturer’s liability

Compliant with standard EN 934-2 und NFP 18.103


The fibres must be premixed simultaneously with sand + cement.

Mix dry for 1 to 2 minutes. Then add water and mix again for another minute, or 2.

To improve the processing and homogeneity of the mixture, we recommend to add our liquefying agent (1 dose per bag of cement).

If a professional concrete mixer is used at high speed, we recommend the following: Knead fibres, sand and cement for 5 minutes at high speed. Again, to improve the processing and homogeneity of the mixture, we recommend to add our liquefying agent (120/150 ml per 100 kg of cement).

Type of roomPath-path to
Capacity1 dose
Consumption1 dose / 35 kg bag of cement
CompliantEN 934-2 :T8
Conservation6 months in its original packaging, unopened and stored in a dry and frost-free
WarrantyRC manufacturer


We guarantee a secure payment by



  • Shipped within 48 hours After reception of payment. . Period for carriage between 2 and 4 days
  • Delivery to the following countries
    France, Belgium, Luxembourg, Germany, Austria, Poland.
  • For Corsica, the DOM/TOM and other destinations in Europe, please contact us so that we can assess the shipping costs

Customer Service

You can contact us

  • via chat : at the bottom right
  • via telephone : 04 42 20 10 09
    from Monday to Friday from 8:00 a.m. to 8:00 p.m. and Saturday from 8:00 a.m. to 6:00 p.m.
  • via email : At the following address

Our services dedicated to professionals

  • Harmony Béton assists professionals with every construction / renovation project involving decorative concrete.
  • You will be guided in your product choice then in its utilisation
  • You can also follow our tutorial videos .
  • We offer wholesale purchase on pallets and can ship our products in white label or with the label of your company.
View the trust certificate
  • For further information on the nature of the review controls, as well as the possibility of contacting the author of the review please consult our CGU.
  • No inducements have been provided for these reviews
  • Reviews are published and kept for a period of five years
  • Reviews can not be modified: If a customer wishes to modify their review then they can do so by contacting Verified Reviews directly to remove the existing review and publish an amended one
  • The reasons for deletion of reviews are available here.

5 /5

Based on 2 customer reviews

  • 1
  • 2
  • 3
  • 4
  • 5
Sort reviews by :

Anonymous customer published the 16/11/2018 following an order made on 15/11/2018


parfait pour doser

Anonymous customer published the 14/11/2018 following an order made on 12/11/2018



Tips, product information, personalized quotes?

A personal adviser is at your disposal, Click here

Cancel Choose this color