YY-731 | Waterproof Floor Cement Screed
YY-731 is a single part premixed bagged powder with high quality silicone sand, widely used to level the floor up to 50mm for one application.
For dependable results, specify Waterproof Floor Cement Screed as part of a complete system, verify substrate compatibility, and follow the approved technical data sheet and site trial.
In specification and procurement searches, waterproof floor screed is the primary product term for this page. Buyers comparing a waterproof floor screed supplier can evaluate technical compatibility, packaging, and project support with YUNYAN. For applications requiring cement screed for floor leveling, complete a site trial and follow the approved installation method.
Key Features & Benefits
· New technology and construction, economical and quality efficiency.
· Crack resistant performance, long lasting service for 25 years.
· Good adhesion and compressive strength.
· Premixed product, add water only.
· Eco friendly and use friendly(by hand or by machine).

Recommended Applications
· It’s suitable for inside and outside of concrete floors.
· 25kg/bag, 40 bags or 60 bags in a pallet.
· Usage: 1.8kg/mm/m2.
· Sealed bags are guaranteed to be 12 months if stored at between 5℃ to 40℃.
Why Choose YUNYAN
Choose this product when the project brief calls for waterproof floor screed with clear technical documentation and consistent supply. YUNYAN supports importers, contractors, and distributors that need a responsive waterproof floor screed supplier. Where the specification requires cement screed for floor leveling, the final system should be confirmed against substrate conditions and service exposure.
Technical Information
|
Status |
Powder form |
|
Color |
Grey |
|
Open time |
30min |
|
Pot life |
45min-1.0 hours @25℃ |
|
Setting time |
≥8 hours @25℃ |
|
Construction |
By scraping or machine |
|
Aggregate sand |
Processing sand, no chlorine and salt |
|
Sand size |
Aggregated from 150 microns to 5mm |
|
Flexural Strength 3d |
≥10Mpa |
|
Flexural Strength 28d |
≥12Mpa |
|
Compressive Strength 3d |
≥40Mpa |
|
Compressive Strength 28d |
≥50Mpa |
|
Percentage of contraction 28d |
11% |
|
Loss rate of consistency 2h |
≤30% |
|
Consistency mm |
54 |
|
Apparent density kg/m3 |
1860 |
|
Water residue 28d |
07% |
|
Shelf life |
12 months |
|
Condition on site |
5-40℃ |
|
Powder : Water |
25kg : 3.75-4L |
|
Packaging |
25kg/bag, 40 bags or 60 bags in a pallet. |
Technical values are typical source-document values and should be checked against the latest approved TDS before publication, specification, or site use.
Application Guide
1. Mechanically prepare the concrete to remove laitance, weak material, coatings, oil, and contamination; repair cracks and defects.
2. Verify substrate moisture, strength, flatness, and environmental conditions before application.
3. Mix components accurately and apply the specified primer, body coat, decorative media, and top coat within their working times.
4. Keep the area clean and closed to traffic until the system has reached the required cure for service.
Packaging, Storage & Safety
|
Packaging |
25kg/bag, 40 bags or 60 bags in a pallet. |
|
Storage / Shelf Life |
SHELF LIFE: Sealed bags are guaranteed to be 12 months if stored at between 5℃ to 40℃ Non-warranty: Because the storage, handling and application of the material is beyond YUNYAN COMPANY control, we can accept no liability for the results obtained. YUNYAN COMPANY sole limited warranty is the product meets the manufacturing specifications in effect at time of manufacturing. There is no warranty of merchantability or fitness for use, nor any other express or implied warranty. |



