Professional Installation
7 of 14 modules published. Each module is four lessons, a question bank and a practical task.
4 lessons · about 66 min
Jobsite readiness and hazard controls
The federal construction rules a flashing crew meets on the roof: edges, holes, warning lines, fall arrest, ladders, power lines, heat and hot work. A documented readiness method with worked examples, then how to spot, fix and record common jobsite defects.
4 lessons · about 57 min
Substrates, blocking and attachment
What edge metal is fastened to and how that wood is anchored, the ED-1 minimums and the treated-wood fastener rules, a field method with worked examples and a maker's installation order, and how to find, fix and record attachment defects.
4 lessons · about 51 min
Underlayments, membranes and WRBs
What roof underlayment, ice barrier membranes and wall water-resistive barriers do and how each laps with the metal, the code rows and product limits that govern them, how they are installed with worked extent and lap checks, and the faults an inspection looks for.
4 lessons · about 53 min
Eaves, rakes and drip edge
What a drip edge does at the eave and the rake, the code, roofing-maker and AFS limits behind it, how a crew sequences and laps the metal with underlayment and ice barrier, with worked examples, and how to inspect and fix the common defects.
4 lessons · about 42 min
Parapet coping and cap installation
How a parapet coping is built up and installed: its layers and parts, the documents and standards that govern it, a step-by-step field method with worked examples, and how to inspect it and trace a leaking joint to its cause.
4 lessons · about 42 min
Gravel stops, fascia and edge metal
How a two-part roof edge goes on in the field: the parts and how each cover engages its cleat, the values Drexel prints, the Gravel Stop sequence with worked layouts, the defects to inspect for, and OSHA's fall-protection rules at the edge.
4 lessons · about 38 min
Base flashing, counterflashing and reglets
How a roof-to-wall joint is installed: base flashing terminated up the wall, counterflashing lapped over it from a reglet or receiver, the documents that set each height, lap and spacing, the silica and fall rules for the crew, and the checks that catch the recurring defects.
- Base flashing, counterflashing and reglets: principles and terminology
- Base flashing, counterflashing and reglets: materials, standards and design constraints
- Base flashing, counterflashing and reglets: methods and worked application
- Base flashing, counterflashing and reglets: defects, verification and case study