L-Shaped Aluminum Starter Flashing
We offer three models. Model DBB-004 is suitable for 65mm panels. Model DBB-042 fits 220mm panels. Model DBB-048 is designed for 70mm panels. The L-shaped Aluminum Starter Flashing is compatible with our Great Wall insulation aluminum tile series. It can be used with both 45mm and 65mm panels. This is a simple but very important component for aluminum roofing systems.

Clean Edge for Roof Start
The product is installed at the edge of the roof to create a clean starting point. It also prevents water from flowing backward under the roof system.
We offer three models. Model DBB-004 is suitable for 65mm panels. Model DBB-042 fits 220mm panels. Model DBB-048 is designed for 70mm panels. The L-shaped Aluminum Starter Flashing is compatible with our Great Wall insulation aluminum tile series. It can be used with both 45mm and 65mm panels. This is a simple but very important component for aluminum roofing systems.
Fast Production and Delivery
Our factory can produce up to 10,000 meters of standard products per day. Custom products require 5 to 7 days of production time. Repeat orders are completed faster. We sign contracts to ensure on-time delivery. During production, we provide photos or videos for updates.
Our factory is located in Sanyuan County, Xianyang, which allows for efficient shipping. The L-shaped Aluminum Starter Flashing is always available for supply. We have been producing roofing materials since 2010. Our factory has 6 high-speed production lines with a monthly capacity of 300,000 meters. We are ISO9001 certified.


After-Sales Service
We have a dedicated after-sales service team. Before production begins, we confirm a sample with the customer. Production is then carried out strictly according to the approved sample.
If any issue is found within three days after receiving the goods, please contact our after-sales department. We will provide a fair solution. Third-party inspections are also accepted.
Each L-shaped Aluminum Starter Flashing is 100% inspected before packaging. We offer a warranty of 10 to 30 years. Payment terms are 30% deposit for standard orders and 50% deposit for custom orders. We accept USD payments.
Specification Table
|
Parameter |
Value |
|
Models |
DBB-004 (65L), DBB-042 (220), DBB-048 (70L) |
|
Daily Capacity (Standard) |
Up to 10,000 meters |
|
Compatible Panel Series |
45mm / 65mm Great Wall series |
|
Warranty |
10–30 years |
|
Third-Party Inspection |
Accepted |
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