RJH & Associates, Inc.

Consulting on low-slope and steep-slope roof systems, plaza decks, and below-grade waterproofing. Services include building envelope assessments per ASCE/SEI 30-14, roof moisture surveys using electrical impedance or infrared imaging per ASTM D7954 and ASTM C1153, bonded uplift testing per FM 1-52 and ANSI/SPRI IA-1, construction document development, design peer review, bid procurement, contract administration, and roof quality assurance observation per ASTM D7186.

• Steep Slope Systems

  Concrete and clay tile, standing seam metal, asphalt shingle, and slate.

• Low Slope Systems

  Thermoplastic membranes, thermoset membranes, modified bitumen membranes, and built-up roof membranes.

• Waterproofing Systems

  Below-grade membrane systems, below-grade fluid-applied systems, crystalline waterproofing, and horizontal hot-applied and membrane systems.

Consulting on exterior wall systems covering structural, bulk water, vapor, air, and thermal performance requirements. Services include building envelope assessments per ASCE/SEI 30-14, water intrusion investigations per ASTM E2128, water penetration testing per AAMA 501.2, ASTM E1105, and AAMA 511, air leakage testing per ASTM E783 and ASTM E1186, adhesion testing per ASTM C1521, ASTM C1860, and ASTM D4541, construction document development, design peer review, bid procurement, contract administration, and quality assurance observation.

• Stucco and EIFS
• Masonry and Adhered Veneers
• Metal Panels and ACM
• Cast-in-Place Concrete
• Glazed Storefront and Curtainwall Assemblies
• Exterior Sealants and Coatings

Comprehensive evaluation of building envelope components - including roof systems, exterior walls, fenestrations, and waterproofing - in accordance with ASCE/SEI 30-14, Guideline for Condition Assessment of the Building Envelope. Surveys document existing conditions and deficiencies to support repair prioritization and capital planning for building owners, condominium associations, and facility managers.

Structural condition assessments per SEI/ASCE 11-99, structural design, concrete restoration design, wood frame restoration design, and construction document development. RJH is versed in ACI 318, AISC Steel Construction Manual, and the National Design Specification for Wood Construction.

• Reinforced Concrete Construction
• Wood Framed Construction
• Steel Framed Construction
• Light Gauge Metal Framed Construction
• Milestone Inspections and SIRS

  Inspections per Florida Statute 553.899 and Structural Integrity Reserve Inspections.

Expert peer review of construction documents developed by others for the building envelope, including roofing systems, waterproofing systems, exterior walls, and fenestrations. RJH evaluates and selects products to ensure envelope systems comply with code and performance requirements, and can sign and seal drawing sheets and the seals page of the project manual for the portion of the design for which it is responsible.

Technical consulting for construction disputes and legal proceedings involving building envelope and structural systems, drawing on RJH's investigative testing, condition assessment, and engineering capabilities.

Construction-phase administration supports roofing, waterproofing, and exterior wall projects as part of full-service delivery.

• Roofing Projects
• Waterproofing Projects
• Exterior Wall Projects
• Construction Document Development
• Bid Procurement
• Quality Assurance Observation