Ac motors — material Aluminum Foil, type waterproof underlayment. The complete factory specification follows. Made by Dewei Rui Technology (Beijing) Co., Ltd. (5 years on the platform, typical reply ≤3h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of These Ac Motors
- Model Number: SilverProtector
- Material: Aluminum Foil
- Warranty: More Than 5 Years
- Place Of Origin: Hebei, China
- Application: House
- Feature: Water Resistant
Technical Specifications
| Application | House |
|---|---|
| Material | Aluminum Foil |
| Feature | Water Resistant |
| Length | Customized |
| Warranty | More Than 5 Years |
| After-Sale Service | Online Technical Support, Other |
| Roofing Product Type | underlayment |
| Shape | Flat |
| Project Solution Capability | Others |
| Design Style | Contemporary |
| Type | waterproof underlayment |
| Place Of Origin | Hebei, China |
| Brand Name | Dervel |
| Model Number | SilverProtector |
| Keyword | roof sarking |
| Width | 1.22m(4ft)orcustomized |
| Color | Blue,Grey or customized |
| Weight | 70g/sm~260g/sm |
| UV Exposure | 180days |
| Customized Logo | Acceptable |
| Certificate | CE1S09001 |
| Usage | Pitched roof,metal roof,wall,etc |
| Selling Units | Single item |
| Single Package Size | 30X20X0.5 cm |
| Single Gross Weight | 0.11 kg |
Product Details




Width per roll(m) | Length per roll(m) | Thickness(mm) | ||||
1.22 | 76.2 | 0.17 | ||||
Mass per unit area(g/sm) | Roll size(sm) | Weight per roll(kg) | ||||
110 | 93 | 10.5 | ||||
Product Introduction
Water Vapour Transmission (g/㎡,24h,≥) | 3.56 |
Water Tightness (2000mm, 2h) | Pass |
Maximum Tensile Force (MD)(N/50mm, ≥) | 520 |
Maximum Tensile Force (XD) (N/50mm, ≥) | 520 |
Resistance to Tearing MD (Nail Shank) | 496 |
Resistance to Tearing XD (Nail Shank) | 492 |
Tensile Strength after Ageing (MD)(%,≥) | 80 |
Tensile Strength after Ageing (XD) (%,≥) | 80 |
Resistance to Water Penetration after Ageing(%,≥) | 80 |
UV Resistance (Days) | 180 |
Resistance to temperature | -40°F to 240°F |














Ordering and Pricing
- Minimum order quantity: 2 square meter
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this ac motors?
The standard minimum order quantity is 2 square meter. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a More Than 5 Years warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this ac motors carry?
It is supplied with CE1S09001 documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Dewei Rui Technology (Beijing) Co., Ltd., based in China. The company 5 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Dewei Rui Technology (Beijing) Co., Ltd. range on HVACR Nexus.
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