Step-by-step installation guidance for Tenghui metal wall panels and flashing trims. These steps follow our installation video. Always follow local building codes and the project drawings.
Flashing Trim
Step 1 — Measure the length of the wall

Step 2 — Cut and bend

Step 3 — Fix one end

Step 4 — Use a level to project a horizontal line (for all flashing trims)
Tip: This ensures all sidings around the house are aligned and level.

Step 5 — Fix the other ends

Outside Corner
Step 6 — Measure the height and cut

Step 7 — Place the corner

Step 8 — Fix the bottom of the corner

Step 9 — Use a level to project a vertical line (for all Corners)
Tip: Corners and Flashing should alwasys be completed first.

Step 10 — Fasten the corner to the wall
Tip: Fasten every 50 to 60cm on both sides, until reach the top.

Starter Hanger
Step 11 — Measure and fasten
Tip: Measure the installation spacing about every 50cm

Step 12 — Measure and fasten
Tip: Only the bottom circle needs to use them

Siding
Step 13 — Measure the wall and siding

Step 14 — Measure the wall and siding
Tip: Siding should be handled by 2 people (carry siding on edge)

Step 15 — Flip the siding and cut
Tip: Flipping the siding face down reduces the amount of dust and iron filings on the face of the product.

Step 16 — Place the siding

Step 17 — Place the siding
Tip: Make sure the bottom groove of the siding is hooked on the hangers.

Step 18 — Fix with screws every 50~60cm
Tip: Screw heads must be snug to siding.

Step 19
Tip: Siding needs to be installed from the bottom up (when used horizontally)

Step 20 — Tap the siding into place with a rubber mallet.

Step 21 — Measure the distance to the window

Step 22 — Mark and cut the siding

Step 23 — Cut and install the notched siding to fit the window.

Step 24
Tip: Continue installing sidings in the same manner across the wall.

Inside Corner
Step 25 — Cut and fix vertically

Siding (continued)
Step 26 — Measure the required siding length
Tip: Measure from the inside of the groove at the inside corner

Step 27
Tip: Measure to the outside edge of the outside corner.

Step 28 — Cut, center and fix sidings

Window Trim
Step 29 — Measure and cut

Step 30 — Fix window trim to wall
Tip: After installation, seal around window trims


Edge Trim
Step 31 — Place and fix
Tip: Edge trim can be used for finishing walls and soffit boards


Finished Look
Step 32
