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1926 OSHA: Construction Industry Regulations & Standards
$59.95
NRCA Roofing Manual: Steep-Slope Roof Systems
$299.99
HVAC Duct Construction Standards, Metal and Flexible 4th Edition
$225.95
Contractor Exam Calculator
$49.95-
1926 OSHA: Construction Industry Regulations & Standards
Updated through July 2026, this book ensures workplace safety and compliance with the OSHA 1926 standards for the construction industry. It covers a…
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NRCA Roofing Manual: Steep-Slope Roof Systems
The 2025 manual provides you with valuable information about the design, materials and installation techniques applicable to steep-slope roof system a…
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HVAC Duct Construction Standards, Metal and Flexible 4th Edition
The third edition of the HVAC Duct Construction Standards Metal and Flexible is intended primarily for commercial and institutional duct construction…
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Contractor Exam Calculator
The Material Estimator is one of the few calculators allowed in the exam and is designed for contractors, trades people and estimating professionals w…
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