The most common roof complaint is "the roof leaks." The second most common is "the installation was done correctly." Reconciling these two statements usually points to one thing: the accessories. A roof is not just tiles — it's a system of interlocking components, and every transition point is a potential leak path if the accessories don't match.

Accessory Categories and Their Functions

The "Mix and Match" Problem

On many job sites, tiles come from one source and accessories are sourced locally. The ridge cap doesn't quite match the tile profile — there's a small gap. Each small mismatch creates a potential leak point. The cumulative effect: the roof leaks at the details, the contractor blames the tiles, and everyone loses time and money.

System Supply: What It Means and Why It Matters

System supply means the main tiles, ridge caps, side trims, closure strips, and fastener recommendations all come from the same manufacturer and are designed to fit together. For importers and distributors, system supply simplifies logistics and reduces after-sales issues. For contractors, it reduces installation time. For the end customer, it means a roof that performs as expected.

How to Verify System Compatibility

Before ordering, ask: are the ridge caps manufactured for this specific tile profile? Are fastener recommendations based on testing with these tiles? Is there an installation guide showing accessory placement? A supplier who answers "yes" with documentation is supplying a system — not just sheets.