Product description
WULFF FÜ 90 is a fast-drying, stable cementitious compound of high density and shape stability, developed for manual filling of holes, cracks and deep screed damage, modelling of stair edges and fine feathering of transitions to zero without risk of detachment.
Carries the Blue Angel eco-label. Exceptional shape stability — the compound does not sag and holds the defined geometry, crucial for modelling edges and stair facades.
Express walk-on already after 30–45 minutes, ready for covering installation after approx. 2 hours — quick return of the space to use.
Technical data
| Product type | Fast-drying cementitious repair and filling compound |
| Certifications | Blue Angel |
| Substrates | Cement and calcium-sulphate screeds, concrete, magnesite, wood, stable substrates |
| Layer thickness | Pure 1 – 10 mm; for larger holes up to 30 mm — mixed with quartz sand |
| Consumption | approx. 1,600 g/m² per mm of layer |
| Walk-on | approx. 30 – 45 min |
| Covering installation | after approx. 2 hours |
| Characteristics | High shape stability, no sagging, good workability with trowel |
| Application | Manual — trowel, spatula, scoop |
| Packaging | Bag 25 kg |
| Storage | 12 months in dry, undamaged packaging |
| Catalogue code | W-FU90 |
Areas of application
Holes in screed
Fast and reliable filling of damage.
Cracks
Repair of cracks in concrete and screed.
Stair edges
Modelling and reconstruction of stair facades.
Deep damage
Layers up to 30 mm with added quartz sand.
Feathering to zero
Fine feathering of transitions without detachment.
Emergency repairs
Space back in use after just 2 hours.
Benefits for installers
- Express walk-on — 30–45 min, fast return to use.
- No sagging — stable edge and fill geometry.
- Layer 1–10 mm, up to 30 mm with sand.
- Covering installation after 2 h — fast work resumption.
- Blue Angel — eco classification.
- Good workability — trowel, spatula, scoop.
Technical data sheet (PDF)
Complete official product documentation — composition, certifications, application instructions.
Request a quote for your project
Send us the quantity, site location and deadline — we reply within 24 hours on business days. Delivery across the region: HR, BiH, SI, SRB, CG, MK, KS, AL.