Landmark uses Mastic Structure Insulated Siding. It is a durable, eco-friendly, and energy-efficient option that authentically replicates the look and texture of real cedar. Featuring an interlocking system and high-performance insulation, this siding offers superior stability, durability, and thermal efficiency. It is an excellent choice for homeowners seeking low-maintenance, versatility, and aesthetically pleasing siding solutions

























Achieve timeless curb appeal with authentic grain texture and virtually seamless design. Available in a full array of prefinished colors, our siding features a low-gloss Kynar Aquatec® finish that resists fading better than traditional acrylic paints
Engineered for durability, the cellular composite structure resists water absorption, dirt, and mildew. Say goodbye to repainting and recaulking – this is siding built to look better, longer, with far less effort.
Made from recyclable materials and offering superior insulation, our siding outperforms fiber cement, wood, and vinyl – without the harmful silica dust during cuts. It’s the smarter, cleaner choice for environmentally-conscious homes.












Will not hold moisture against a structure.

Lightweight and installs up to 10X faster than the competition.

Seamless color throughout the stone.