Senior Commercial Roofing Estimator for Re-Roofing

Just Construction Recruitment; Washington, Baltimore (District of Columbia, MD); On-site; USD 140,000 - 170,000; Full time

Job summary

Just Construction Recruitment seeks an experienced Roofing Estimator specializing in commercial re-roofing and roof replacement projects. You will assess existing conditions, develop detailed cost estimates, and craft competitive proposals for complex roofing programs.

This role requires strong knowledge of low-slope roofing systems, waterproofing, insulation, and related assemblies, along with experience pricing work on occupied buildings and using digital take-off tools.

Qualifications

• Proven experience estimating commercial roofing projects, with emphasis on re-roofing and replacement work.
• Strong technical knowledge of commercial low-slope roofing systems, membranes, insulation, flashing and waterproofing.
• Experience assessing existing roof conditions and pricing work on occupied or operational buildings.
• Ability to interpret architectural drawings, specifications, roof surveys and technical documentation.
• Experience using digital take-off and estimating software.
• Strong understanding of labour productivity, material costs, equipment requirements and project margins.
• Familiarity with manufacturer specifications, roofing warranties and applicable building codes.
• Excellent commercial judgement, attention to detail and tender management skills.
• Ability to manage multiple estimates and deadlines while maintaining accuracy.

Responsibilities

• Prepare detailed estimates for commercial re-roofing, roof replacement, restoration and waterproofing projects.
• Review tender documents, drawings, specifications, roof surveys and existing building information.
• Conduct site visits and roof inspections to assess existing conditions and determine the scope of required works.
• Complete material take-offs and calculate labour, equipment, access, disposal and installation costs.
• Estimate projects involving multiple roofing systems (e.g., TPO, PVC, EPDM, modified bitumen, built-up roofing, metal roofing).
• Evaluate tear-off requirements, insulation, vapour barriers, substrate repairs, drainage and flashing details.
• Identify concealed conditions, deterioration, water ingress and other risks; account for occupied buildings and operational constraints.
• Obtain quotations from manufacturers, suppliers, waste contractors and specialist subcontractors.
• Prepare bid proposals, scope clarifications, exclusions and value engineering alternatives.
• Liaise with manufacturers and suppliers regarding system specifications, warranties and lead times.
• Coordinate with project managers and field teams to ensure estimates reflect realistic installation methods and labour requirements.
• Participate in bid reviews, tender negotiations and project handovers.
• Maintain historical cost data and review estimating accuracy against completed projects.

Skills

Commercial roofing estimation

Re-roofing expertise

Take-off and estimating software

Tender management

Tools

Digital take-off software

Estimating tools

Job description

Just Construction Recruitment seeks an experienced Roofing Estimator specializing in commercial re-roofing and roof replacement projects. You will assess existing conditions, develop detailed cost estimates, and craft competitive proposals for complex roofing programs.

This role requires strong knowledge of low-slope roofing systems, waterproofing, insulation, and related assemblies, along with experience pricing work on occupied buildings and using digital take-off tools.