

🛠️ Reinforce your concrete game — strong, smooth, and built to last!
These 900g polypropylene fibres are engineered to reinforce concrete and screed by reducing shrinkage and cracking. Easy to mix and evenly disperse, they enhance wear resistance and durability across a variety of cementitious applications, from floors and driveways to renders and plasters. Trusted by professionals for consistent, long-lasting concrete performance.
| ASIN | B013EPQXJE |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 11,239 in DIY & Tools ( See Top 100 in DIY & Tools ) 5 in Concrete |
| Colour | 900g X 19mm |
| Customer Reviews | 4.6 4.6 out of 5 stars (831) |
| Date First Available | 16 Oct. 2014 |
| Item Package Quantity | 1 |
| Item Weight | 900 g |
| Item model number | BWC900g |
| Manufacturer | Build with Colour |
| Part Number | BWC900g |
| Product Dimensions | 37.08 x 26.67 x 3.81 cm; 900 g |
B**D
Glass fibre reinforcement strands
Worked well on a path that thinned out considerably. Remained solid and intact. Easy to use break it up / separate as small as you can ad it’s more effective
J**K
Concrete fibres
Great product You don't need a lot, a few handfuls is enough. Best results with a cement mixer Loading water first, then half the sand Mix A handful or two of the fibres Mix again Then half the cement Mix The second half of the sand And cement Mix until fully blended Then pour
A**.
Worked in a factory that made this
Having worked in a factory that made this, it is great, Ok it will not work for a bridge without steel, It works on slabs 2 to 3 meters square.
P**Y
900g Bags x 19mm Polyproylene
excellent
P**K
Perfect
Perfect
N**.
Time consuming but valuable addition to mortar
Saw these reinforcing fibres on a youtube video on fillet pointing. My previous attempts at pointing ended up cracking and flaking within 12 months. These are a bit of a faff as they require separating by hand which is rather laborious but worth doing before you try and mix them in as the mixing process itself does little to separate out the clumps. A little goes a very long way - my mortar was positively "hairy" but they're not visible in the finish. I'll never use all these in my lifetime but they seemed priced very keenly and delivery was extremely quick so it was worth getting more than I needed in order to get them quickly.
D**L
Good product
Great stuff!
S**X
Agree it needs preparing but ok once done
Not great out of the box as just pieces of cut rope. The person suggesting using a vacuum cleaner to puff up the fibres is a genius. Works really well and quick to separate the fibres ready for adding to mix.
J**N
Conforme à mes attentes
C**1
Buon prodotto, facile da usare.
G**D
dit item besteld, maar het is nooit aangekomen. en het lijkt onmogelijk om het te retourneren en een refund te krijgen. zou dit niet opnieuw kopen.
M**P
Seems to work ok
C**N
Fibre de verre a pris abordable fait le taf
Trustpilot
Hace 2 días
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