What limestone thickness and finish are recommended for Five-Star Hotel & Resort Verandas, Loggias & Indoor-Outdoor Seamless Transitions?

We recommend 20mm Interior Loggia + 30mm Exterior Terrace (Matched Quarry Vein Batch) in Sandblasted & Brushed / Tumbled finish, achieving Interior P3/R10 -> Exterior P4–P5/R11 Visual Continuity.

What substrate and adhesive system should be used for Hospitality Architecture?

Interior screed with underfloor heating + exterior sloped waterproof terrace slab separated by an architectural threshold drainage slot. Finish with Natural-look (non-color-enhancing) breathable fluoropolymer impregnator for coffee, red wine, and sunscreen stain protection.

Application Guide · RW-TYAPPL-0105 · Hospitality Architecture

Five-Star Hotel & Resort Verandas, Loggias & Indoor-Outdoor Seamless Transitions

Achieving seamless architectural continuity across sliding glass thresholds by pairing 20mm velvet-brushed interior limestone with 30mm high-traction exterior pavers cut from the exact same quarry block batch.

1. Structural & Surface Specification Matrix

Engineering Parameter	Mandatory Architectural Specification
Application Category	Hospitality Architecture (RW-TYAPPL-0105)
Recommended Surface Finishes	Sandblasted & Brushed / Tumbled
Calibrated Thickness & Profile	20mm Interior Loggia + 30mm Exterior Terrace (Matched Quarry Vein Batch)
Slip & Safety Compliance	Interior P3/R10 -> Exterior P4–P5/R11 Visual Continuity
Substrate & Mortar Assembly	Interior screed with underfloor heating + exterior sloped waterproof terrace slab separated by an architectural threshold drainage slot.
Surface Sealing & Protection Protocol	Natural-look (non-color-enhancing) breathable fluoropolymer impregnator for coffee, red wine, and sunscreen stain protection.