
Internal Corner Flashing
The Internal Corner Flashing is designed for inner roof corners. It is installed on the inside angles where two roof slopes meet. It prevents water accumulation and leakage. This product comes in a size of 140 mm. The style is an inside corner plate. It is specifically designed for inner corner applications and effectively solves water leakage problems in these areas.
Stop Leaks at Inner Roof Corners
We have over 15 years of experience. We built our first factory in Xi'an Sanqiao in 2010. We became a general taxpayer company in 2016 and changed our name to Jinjia Tianxia in 2022. We have our own R&D team and are ISO9001 certified. Our factory covers 6,000 square meters and has 30 workers. In 2024, we served over 30,000 customers and worked with more than 200 dealers. We were featured as a CCTV broadcast brand in 2024.
The Internal Corner Flashing is designed for inner roof corners. It is installed on the inside angles where two roof slopes meet. It prevents water accumulation and leakage. This product comes in a size of 140 mm. The style is an inside corner plate. It is specifically designed for inner corner applications and effectively solves water leakage problems in these areas.
Simple Order Process
Have we worked with major global brands? Not yet, but we have served over 30,000 customers. Our reputation is built on real customer trust.
The minimum order quantity is 100 meters. You may mix different parts within one order. Free samples are available.
The Internal Corner Flashing is suitable for many roofing projects. We have completed projects such as the Inner Mongolia "Ten Full Coverage" project and the Yan'an residential renovation project. These inner corners used our products. Waterproof performance is reliable, and installation is easy.

Delivery and Warranty
For standard products, our daily production capacity is 10,000 meters. Custom products take 5 to 7 days to produce. Repeat orders are processed faster.
We sign contracts and guarantee on-time delivery. We can provide photos or videos during production. Our factory is located in Sanyuan County, and transportation is convenient.
Payment terms are 30% deposit for standard products, with the balance paid before shipment. For custom products, a 50% prepayment is required. Large orders are eligible for discounts. We accept USD payments.
Choose our Internal Corner Flashing for dry and secure inner roof corners. Our 15 years of experience provide reliable support.
Product Parameters
|
Parameter |
Detail |
|
Size |
140 mm |
|
Style |
Inside Corner Plate |
|
Minimum Order |
100 meters |
|
Custom Production Time |
5–7 days |
|
Warranty |
10–30 years |
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