Architectural Facades Unlimited Ornamental Cast Stone Company. Since 1986 Architectural Facades Unlimited has been creating award winning architectural cast stone elements. Commercial - Residential - Restoration. Balusters, Columns, Moldings, Fireplace Mantels, Pavers, Stair Treads, Pool Coping, Hardscapes, etc. GFRC, LCS Stone, and Classic Cast Stone in Travertine, Sandstone, and Custom finishes.