73110 Roofers and shinglers / Thợ lợp mái và lợp ngói

Conduct flat roof construction, repair, or replacement using asphalt, gravel, or waterproofing membranes. Install, maintain, or replace single-pitch roofing systems with synthetic rubber or bitumen sheets. Erect and repair metal roof details such as corrugated sheets, eaves, and gutters. Apply waterproofing coatings and protective paint to concrete surfaces or exterior walls. Construct scaffolding and ensure safety during high-altitude work. Calculate material quantities, prepare quotes, and organize construction tools. For shingle roles, install or replace clay, bitumen, wood, or tile roofing on sloped roofs, cutting and fixing tiles to ensure tightness and durability. Inspect and repair damaged roof sections to maintain water resistance. Perform scaffolding and high-altitude tasks safely. Complete secondary education; flat roofers require vocational training or three years of experience for licensure. Certifications are advantageous for large projects.