收到两个quotes, 他们用两种不同的材料/做法。请教高手那种好一点。谢谢了
1. Apply Bituthene-Rubberized waterproofing membrane。
2. “V” chip cracks and install hydraulic cement - Coat foundation wall with Aqua Bloc 720-38 asphalt based rubberized coating with Yellow Jacket mesh over crack
1. Apply Bituthene-Rubberized waterproofing membrane。
2. “V” chip cracks and install hydraulic cement - Coat foundation wall with Aqua Bloc 720-38 asphalt based rubberized coating with Yellow Jacket mesh over crack