NM GS-21 Roofing Contractor case studies
NM GS-21 Roofing Contractor · Put your knowledge to work in context.
The NM GS-21 Roofing Contractor credential is a New Mexico contractor classification for roofing work, administered within the state's construction licensing structure under the Regulation & Licensing Department (RLD). This study page is an independent preparation resource for candidates working toward that classification; it is not affiliated with, endorsed by, or operated by the State of New Mexico or any state agency. The NM GS-21 Roofing Contractor case studies are 5 cases and about 2,604 words.
1Low-Slope Re-Roof Over Lightweight Concrete Deck
A general contractor hires your GS-21 firm to re-roof an 18,000-square-foot single-story warehouse. The existing roof is ballasted EPDM over 2-inch lightweight insulating concrete (LWIC) on a steel deck; infrared scans show saturated areas and standing water 1.5 inches deep at two drains.
459 words, about 2 min2GS-21 Scope and Qualifier Departure
Your firm is a New Mexico business licensed as GS-21 with a qualifying party who is also a 25% owner. He gives notice that he will resign in 30 days and move out of state.
587 words, about 3 min3Rotted Sheathing Change Order and Worker Classification
A homeowner signs your standard contract for a 28,500 tear-off and re-roof of a 2,400-square-foot house: 40% deposit, balance due on substantial completion, 30-day written change-order clause, and a provision that all changes must be signed by both parties. During tear-off, the crew finds 32 sheets of rotted 7/16-inch OSB sheathing.
457 words, about 2 min4Steep-Slope Fall Protection and Storm Deadline
Your crew is replacing a steep-slope asphalt shingle roof on a two-story house with a 7/12 pitch and a 26-foot eave height. There are 12 workers on site.
523 words, about 3 min5Warranty Call After Ventilation and Deck Deficiencies
Eighteen months after your firm installed a new asphalt shingle roof on a 1,800-square-foot ranch house, the homeowner reports that shingles are curling, granules are collecting in gutters, and ceiling stains appear near two bathroom exhaust fans. Your contract included a 10-year workmanship warranty and the manufacturer's 30-year limited shingle warranty.
578 words, about 3 min