南非采购需求：石屑涂层钢瓦、粘结瓦、石涂层瓦

I'm looking for high-quality waterproofing solutions that cater to various types of roofing, including steel roofs. It's essential that the products are durable, reliable, and able to withstand different weather conditions. Could you provide details on your available options in this category? Specifically, I'm interested in performance features, application methods, and any certifications your products hold. Quick responses would be appreciated as I'm aiming to finalize my selection soon. Thank you!