are lightweight, durable, and easy to install, making them an excellent roofing choice for residential, commercial, and industrial buildings. Proper installation ensures long-term waterproofing, stability, and aesthetic appearance. Below are detailed installation steps and precautions to help achieve the best results.
1. Pre-Installation Preparation
Before installation, check that the roof structure is secure and flat, and ensure an appropriate drainage slope. Gather installation accessories, such as ridge tiles, ridge tiles, eaves tiles, flashing caps, and screws.
2. Installation steps
(1) Purlin Layout:
Purlin spacing is generally 660–760 mm, depending on the tile thickness and roof design. Steel or wooden purlins should be evenly arranged and level.
(2) Tile Overlap Direction:
, ensuring each sheet overlaps one wave horizontally and 80–100 mm vertically to prevent leaks.
(3) Fixing Method:
Use special self-tapping screws with waterproof gaskets, fixing on the wave crest rather than the valley. Do not overtighten to avoid cracking.
(4) Ridge and Eaves Installation:
After the main roof tiles are fixed, install ridge tiles from one end to the other. Seal joints with waterproof glue if necessary.
3. Key Precautions
- Avoid walking directly on the tile surface. Lay down wooden boards to distribute the weight.
- Installation in extremely high or low temperatures is not recommended (recommended temperature: 5–35℃).
- Ensure thermal expansion gaps (3–5 mm) between tiles.
- Inspect the tiles regularly after installation, especially after heavy rain or strong winds.
With proper installation, PVC resin tiles can last over 20 years, offering excellent waterproofing, thermal insulation, and aesthetics. Choosing a professional manufacturer like Zhenneng Composite Materials ensures product quality and installation guidance, helping you create a more durable roofing system.