Common Installation Challenges of Stone Coated Roofs and How to Solve Them

Stone coated roof tiles are widely recognized for their durability, lightweight structure, and aesthetic appeal. However, like any premium roofing system, proper installation plays a critical role in ensuring long-term performance.

In real-world projects, especially in new markets or large-scale construction, some installation challenges may arise if installers are not fully familiar with the system.

Based on industry experience and project feedback, this article outlines common installation challenges of stone coated roofs and practical ways to solve them.

1. Incorrect Batten Spacing

The challenge:
Improper batten spacing can lead to uneven tile alignment, weak fixing points, or difficulty in interlocking tiles. This issue often occurs when installers rely on traditional roofing habits instead of manufacturer specifications.

The solution:
Always follow the recommended batten spacing provided by the stone coated tile manufacturer. Using a measuring guide or marking tool before installation helps ensure consistency across the entire roof.
At Sangobuild, we provide clear technical drawings to prevent this issue from the start.

2. Improper Fastening Methods

The challenge:
Over-tightening or under-fixing screws or nails can compromise roof performance. Over-tightening may damage the tile surface, while insufficient fixing reduces wind resistance.

The solution:
Use recommended fasteners and apply controlled fixing pressure. Fasteners should secure the tile firmly without deforming the steel base or cracking the stone coating.
Training installers on correct fastening techniques significantly reduces long-term maintenance issues.

3. Poor Alignment at Roof Edges and Valleys

The challenge:
Edge areas such as ridges, valleys, and eaves often present alignment difficulties. If not handled correctly, these areas can become vulnerable to water leakage or visual inconsistency.

The solution:
Pre-installation planning is essential. Cut tiles accurately using proper tools, and install dedicated ridge caps, valley trays, and flashing accessories designed for stone coated roofing systems.
Never rely on improvised solutions in these critical areas.

4. Damage to Stone Coating During Installation

The challenge:
Inexperienced handling, walking improperly on tiles, or using incorrect tools may cause stone granule loss, affecting both appearance and protective performance.

The solution:
Installers should walk on tile overlap zones, not on the center of exposed areas. Use rubber-soled shoes and appropriate cutting equipment.
Minor surface damage can be repaired with manufacturer-approved touch-up materials if addressed promptly.

5. Insufficient Roof Slope Consideration

The challenge:
Installing stone coated tiles on roof slopes below the recommended minimum can increase the risk of water backflow and leakage, especially in heavy rainfall areas.

The solution:
Confirm that the roof pitch meets minimum slope requirements before installation. For low-slope roofs, additional waterproof measures or alternative roofing systems may be more suitable.
Proper project evaluation helps avoid costly post-installation corrections.

Why Proper Installation Makes the Difference

Stone coated roof tiles are engineered for long-term performance, but their advantages can only be fully realized with correct installation practices.
From precise measurements to suitable accessories, attention to detail during installation ensures:

Maximum weather resistance

Long service life

Consistent visual appearance

Reduced maintenance costs

At Sangobuild, we not only manufacture high-quality stone coated roof tiles, but also support our partners with detailed installation guides and technical assistance to ensure project success worldwide.