Why is Polyaspartic Polyurea Recommended for Roof Waterproofing?

Brand Name:Zhuhai Feiyang
Certification:ISO 14001-2004, ISO 19001-2000
Model Number:Why is Polyaspartic Polyurea Recommended for Roof Waterproofing?
Minimum Order Quantity:200kg
Delivery Time:7 days after orders comfirmed
Payment Terms:L/C, T/T
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Location: Shenzhen Guangdong China
Address: Shenzhen Headquarter: Feiyang Tech-Park, Longchang Road 8, Bao'an Dist, Shenzhen City, China
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The roof is the outer protective structure at the top of a building, typically serving to withstand external factors such as wind and sun exposure, ensuring the building's durability and sturdiness. Protective measures during roof construction are indispensable. Today, Feiyang introduces the application of polyaspartic polyurea in roof waterproofing.


Traditional roof waterproofing materials commonly include modified bituminous felt, waterproofing membranes, APP modified bitumen, polymer waterproofing rolls, and JS waterproofing paint. Traditional roof waterproofing materials, such as bitumen, waterproofing rolls, and APP, when exposed to sunlight, undergo photoaging which can result in warping and cracking. Even if the material itself doesn't warp or crack, it can still fracture due to the warping and cracking of the concrete (caused by stress, vibration, and other factors). Waterproofing rolls, in particular, have numerous seams, which, under the effects of outdoor photoaging, can accelerate leakage. Once leaks occur, pinpointing the exact location becomes challenging.


Polyaspartic polyurea surpasses traditional waterproofing materials in performance. It possesses excellent physicochemical properties, including high tensile and impact strength, flexibility, wear resistance, anti-slip properties, anti-aging, and corrosion resistance. Moreover, the polyaspartic polyurea coating adheres 100% to the substrate, offering a seamless surface with superior integrity and effective leakage prevention.


Due to its inherent flexibility, anti-aging properties, and mechanical strength, elastic polyaspartic polyurea remains unbroken even when concrete warps or cracks. Not only does it remain intact, but it also firmly "grips" the concrete, providing both waterproofing and protection. This elastic polyaspartic polyurea waterproofing material is especially suitable for high-end building structures' roof waterproofing, achieving a "once and for all" solution.


Feiyang has been specializing in the production of raw materials for polyaspartic coatings for 30 years and can provide polyaspartic resins, hardeners and coating formulations. Some of our polyaspartic coating formulations: Polyaspartic Coating

Feel free to contact us: marketing@feiyang.com.cn


Our products list:

Polyaspartic Polyurea Resin FEISPARTIC Series

ModelDensity (25℃)Viscosity (mpa.s/25℃)Solid Content (%)Equivalent WeightHydroxyl Value EquivalentGel Time/min (25℃, RH55%)

F520

(Equivalent of Desmophen® NH 1520)

1.06800-200096±22905.86130
F520L1.06700-200096±22905.86130

F521

(Equivalent of Desmophen® NH 1521)

1.04110-21088±23265.21-
F5241.021600-280097±23305.1526

F420

(Equivalent of Desmophen® NH 1420)

1.06800-200097±22776.1418
F4211.06800-2500≥992776.1426

F423

(Equivalent of Desmophen® NH 1423)

1.06800-2500≥992716.2726

F220

(Equivalent of Desmophen® NH 1220)

1.0560-10097±22307.392

F2850

(Equivalent of Desmophen® NH 1720)

1.0770-14097±22905.8660

F2850H-2

(Equivalent of Desmophen® NH 1723)

1.0780-140≥992905.8660
F28721.06300-50097±22905.8626
F1571.093000-600098±23504.8627
F2861.06200-80090±23305.1526
F2211.07400-60097±23794.4728
F3211.04200-600-3794.4755
F3301.06250-60097±23345.0921

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Elastic Hardener FEICURE Series

ModelDensity (25℃)Viscosity (mpa.s/25℃)Solid Content (%)NCO Content (%)Type
SP-103P1.01100-30060±2(BA)3.2-3.6IPDI Prepolymer
GB905A-851.053000-600085±2(xylene)6.6-7.2IPDI Prepolymer
GB926-851.074000-600085±2(BA)4.9-5.3IPDI Prepolymer
GB951-1001.111000-2500≥9920.8-21.2HDI /
Si Prepolymer
GB963A-1001.121000-2000≥988.5-9.0HDI /
Si Prepolymer
GB-963B-1001.121000-2000≥9910.0-10.4HDI Prepolymer
GB902-1001.124000-6000≥998.8-9.4HDI Prepolymer
GB930-1001.10200-700≥9919.5-20.5HDI Trimer
GB805A-1001.053000-6000≥984.7-5.2TDI/HMDI Prepolymer
GB805B-1001.051500-3000≥9810.3-10.7TDI/HMDI Prepolymer
GB605C-1001.042000-4000≥988.1-8.6HMDI Prepolymer

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Feiyang Special Chemicals Catalog

Product NameMolecular FormulaCAS NO.
Trimethylolpropane diallyl ether(TMPDE)C12H22O3682-09-7
Pentaerythritol triallyl ether(APE)C14H24O41471-17-6
Diethyl toluene diamine (DETDA)C11H18N268479-98-1
4,4'-methylene bis(2-methyl cyclohexyl-amine)(DMDC)C15H30N26864-37-5
4,4'-Methylenebis(cyclohexylamine)(HMDA)C13H26N21761-71-3

Learn more polyaspartic knowledge: Polyaspartic FAQ


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Why is Polyaspartic Polyurea Recommended for Roof Waterproofing?

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