Heat-Resistant Tiles for Riyadh Rooftop Projects
For Riyadh rooftops, choose porcelain tiles rated >7 on the Mohs scale with a Solar Reflectance Index (SRI) above 78. White or light-grey reflective porcelain reduces rooftop temperatures by 15–20°C compared to standard ceramic.
The Problem
Riyadh rooftops face peak surface temperatures of 70–80°C in July and August, causing thermal expansion cracks, color fading, and rapid degradation in low-quality tiles. Standard glazed ceramic absorbs heat and transfers it to the building below.
Recommended Solution
Install through-body porcelain tiles (UGL or full-body) with high SRI ratings, installed over a 25mm insulation layer (XPS or rock wool) and a waterproof membrane. Use white epoxy grout with UV stabilizers.
Specifications Checklist
- Porcelain, full-body, ≥10mm thickness
- Solar Reflectance Index (SRI) ≥ 78
- PEI Class 4 or 5 abrasion rating
- White, beige, or light-grey colors only
- XPS insulation board underneath (25mm+)
- UV-stabilized epoxy grout
Frequently Asked Questions
What is the best tile for Riyadh's hot rooftop?▾
Full-body porcelain tiles (10mm+) with a Solar Reflectance Index of 78 or higher in white or light-grey, installed over XPS insulation. This combination resists Riyadh's 70–80°C peak temperatures.
How much does heat-resistant rooftop tile cost in Riyadh?▾
High-grade reflective porcelain rooftop tile in Riyadh costs SAR 45–95 per square meter in 2026, plus SAR 35–60/m² for installation including insulation and waterproofing.
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