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Interpretation of Professional Evaluation Data: Replacement Fabric for Sunshade Top of RV/Camper

Professional evaluation data shows that the weight range of the material is 450-750g/㎡, with a 16oz (approximately 680g/㎡) specification using a three-layer composite structure - an outer layer of PVC+talcum powder sunscreen layer, a middle layer of high-strength polyester mesh, and an inner layer of PVC coating. Its tensile strength in the warp/weft direction can reach 1300-4100N/5cm (ISO 1421), tear strength can reach 750-800N (DIN 53363), and peel strength is ≥ 110N/5cm. After 1500 hours of UV aging test (ASTM G53/94), the tensile strength retention rate is ≥ 80%, and the temperature resistance range is -30 ℃ to+70 ℃. Waterproof grade ≥ 3000mmH ₂ O, flame retardant optional NFPA 701 or EN 13501 Class D-s2, d2 standard, UPF50+UV blocking rate>95%, providing all-weather outdoor protection for RV camping.

Guide to purchasing PVC waterproof and flame-retardant cloth for replacing RV awning

1. Match weight and thickness to use strength
Select specifications based on usage frequency and scenario:
Seasonal/lightweight use: 550-650g/㎡ (0.45-0.6mm), balancing flexibility and portability
Annual/full cycle use: 750-900g/㎡ (0.65-0.9mm), with better wind resistance and wear resistance
Products with a weight below 500g/㎡ have weak tear resistance, while those with a weight above 1000g/㎡ are too heavy and affect the unfolding operation.
2. The density of the base fabric determines its durability
It is necessary to verify the 1000D × 1000D high-density polyester base fabric, with a tear strength of ≥ 370N and a tensile strength of ≥ 2250N/5cm. Low density base fabric (such as 500D) is prone to deformation and relaxation under long-term wind and sun exposure.
3. Dual verification of waterproofing and flame retardancy
The hydrostatic pressure is required to be ≥ 3000mmH ₂ O to ensure no leakage in rainstorm. Flame retardancy in personnel camping scenes is a safety requirement that must be certified according to DIN 4102 B1 or NFPA 701, and self extinguishing upon leaving the fire.
4. UV resistance and customized adaptation
Require UV resistance level ≥ 7 (ISO 105-B02) and no embrittlement or fading after 1000-2000 hours of QUV aging test. Request sample fabric for actual testing before bulk procurement to confirm peel strength ≥ 80N/5cm.

User feedback on replacing waterproof PVC cloth for RV awning

Q: What is the weather resistance performance of this PVC replacement fabric after installation?
Answer: Very reliable. Having experienced several storms, the underside of the tarpaulin remained dry and the surface rainwater quickly slid down without penetrating. The three-layer composite structure (talcum powder sunscreen layer+high-strength mesh+coating) and waterproof rating of 3000mm static water pressure data are true and effective.
Q: Is the fabric thicker than the original car? Is installation difficult?
Answer: Indeed, it is thicker. The 18oz (about 510g/㎡) four layer high-density PVC is noticeably stronger than the original fabric. It takes some effort to slide the fabric into the groove of the guide rail during installation. Some users have reported that it took some effort to insert the thicker fabric into the guide rail. It is recommended that the two of them cooperate and prepare WD-40 lubrication assistance for operation.
Q: How about UV resistance and durability? Will long-term use cause aging?
Answer: UPF50+can block 98% of harmful ultraviolet rays. After two years of use, the fabric remains in good condition and remains flexible without significant fading. However, if the white heat reflective layer on the back is exposed to rainwater for a long time, small rust spots may appear. It is recommended to ensure that the tarpaulin is completely dry before each retrieval.

Company Backround:

Zhejiang Hanlong New Materials Co.,Ltd.

     Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.

     The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields.

Contact us

Tel:0086 15958345754 

Email: Lex@zjhanlong.cn

Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province