Roofing Estimator

Roofing Estimator - Re-Roofing Bias

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Position Overview

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An established commercial roofing and exterior construction contractor is seeking an experienced Roofing Estimator with a strong specialism in commercial re-roofing and roof replacement projects.

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The successful candidate will be responsible for assessing existing roof conditions, developing accurate cost estimates and preparing competitive proposals for commercial roofing projects. This role requires a strong technical understanding of roofing systems, tear-off and replacement methods, waterproofing, insulation and the challenges associated with working on existing and occupied buildings.

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Key Responsibilities

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

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

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• Base salary of $140,000–$170,000, depending on experience.
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• Opportunity to focus on a significant area of commercial roofing.
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• Exposure to a diverse portfolio of re-roofing, replacement and waterproofing projects.
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