Difference between Internal Edge Trim & External Edge Trim
The internal edge trim is used for concave corners. When the wall and the ceiling has different colors, there will be an obvious intersection line. The internal edge trim is used to cover up this boundary. Of course, we can also use internal edge trim made of wood or gypsum according to different decoration styles and the effect for decoration would be different. The external edge trim is a kind of decorative line which is used for covering 90 degree angle of ceramic tile. The materials for external edge trims can be PVC, aluminum alloy and stainless steel. The external edge trim is divided into two kinds of specifications: big external edge trim and small external edge trim. They are applied to 10mm and 8mm thick tiles separately with the length of generally 2.5 meters.
What is the difference between internal edge trim and external edge trim?
1. Installation location is different
There’s a little difference for the installation location of internal edge trim & external edge trim. Although they are both installed in the corner at home, the internal edge trim is installed in the concave corner, while the external edge trim is installed in the convex corner.
2. Different production technique
The design and fabrication technology of the internal edge trim and external edge trim is different. The internal edge trim is usually made of solid wood as raw materials and brush varnish to strive to make the beautiful effect, which adapts to a variety of decoration style designs. The external edge trim is generally made of aluminum alloy. The features of aluminum edge trim are easy installation, low cost, and better protection for the tile. It can reduce the hazard in the collision with the 90 degree angle of ceramic tile.
3. Different width styles
Because the colors for the cross between the wall to ceiling materials is different, the width and style of internal edge trim and external edge trim is different too. Generally speaking, it is divided into two types: sealed type and open type. Open type internal edge trim and external edge trim are more common to be used. The application is also more extensive. Moreover, as many people nowadays prefer extremely simple style for home decoration, many people prefer not to decorate the internal edge trim to keep the home an original rough style.