Competitive price XPS sandwich panel 1. Light weight, high strength, 2. Flat surface,heat insulation,cement-covered ... /price ratio;2,very low thermal conductivity factor3,high impermeability4,good compression resistanceTechnical performanceprojectperformanceCompression strength(kpa)≥150Water ... the direct sunlight exposure for a long time. High Quality Cement Covered XPS Insulation Sandwich Panel