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Engineering Specifications

Technical Standards & Fabrication Tolerances

Every guest room sign produced in our Shengzhou facility conforms to strict hospitality compliance benchmarks, raster micro-tolerances, and architectural finish criteria.

CAD DWG / PDF Specs Ready
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Title III CompliantREF: ADA-STANDARDS
ADA Title III Accessibility Standards
Strict geometric ratios, raised visual character heights, and high optical contrast calibrated for international and US hospitality codes.
ADA Title III Hotel Room Plaque with tactile raised lettering and Braille
CAD Datum: Precision Verification

Factory batch inspected with digital caliper and high-contrast optical scanner before departure from our Zhejiang facility.

Parameter Tolerances & Guidelines
Standard 2025 rev.3
Tactile Character Height
ADA Section 703.2.5
5/8 in to 2 in (16mm – 51mm)
Character Stroke Thickness
ADA Section 703.2.4
15% max of character height
Contrast Ratio Target
ASTM E1477
>= 70% LRV Light Reflectance
Mounting Height Baseline
ADA Section 703.4.1
48 in to 60 in to tactile line
Mounting Location Offset
ADA Section 703.4.2
18 in x 18 in latch-side clearance
Custom dimensions available on OEM architect requests
Browse Sign Catalog

Core Manufacturing Disciplines

End-to-end hotel signage fabrication built for global hospitality groups and architectural specifiers.

ADA & Universal Access

US Title III and California Title 24 compliance verified with optical light reflectance validation.

Compliance100% Guaranteed

Raster Micro-Braille

Automated raster bead injection into CNC-drilled chambers preventing dot loosening over 10+ years.

Tolerance+/- 0.05 mm

Architectural PVD & Acrylic

Titanium vacuum plating, brushed stainless 316, and anti-glare cell cast acrylic substrates.

SurfaceFingerprint Free

Global OEM Logistics

Pre-sorted packaging by wing and floor for fast on-site contractor installation in USA, UK, UAE.

Monthly Cap25,000+ Units

Need full CAD submittals or hotel brand specification review?

Our in-house design engineering team reviews architectural schedules and provides complimentary mockups.

Architectural Specifications / Division 10 14 00

Hotel Room Signage & Identifier Assortment

Precision-engineered guestroom door plaques, ADA-compliant tactile Braille plates, corridor directional markers, and integrated digital DND capacitive touch units.

ADA & Braille Standard Compliance

All tactile lettering is raised precisely 1/32 inch with Grade 2 domed Braille beads, meeting US ADA Title III and international hospitality standards.

Architectural Metal Finishes

Fabricated with marine-grade 316 stainless steel, solid H62 brushed brass with anti-fingerprint PVD coating, and hard-anodized architectural aluminum.

Hotel PMS & Electronic Integration

Smart capacitive doorbell panels communicate via Modbus/RS-485 or dry contact relays, synchronizing with RCU and guestroom energy systems.