Udemyعام

G14-N National Roofing Contractor/Subcontractor Mock Tests

G14-N National Roofing Contractor/Subcontractor Mock Tests

عن هذا الكورس

Detailed Content Outline1. General Administration (10%)This section covers the legal and procedural requirements for roofing projects.Permits: Understanding when a permit is required for new construction vs. repairs.Inspections: Knowing the required inspection stages (e.g., roof deck, mid-process, final).Structural Tests: Requirements for load-bearing tests or material performance documentation.Violations Stop Work Orders: Procedures for handling non-compliance and legal notices from building officials.2. Fire Classification Weather Protection (15%)Focuses on the durability and safety of the roof against environmental .Fire Classification: Distinguishing between Class A, B, and C roof coverings based on fire Protection: Requirements for flashings, counter-flashings, and coping to prevent water intrusion.Wind Resistance: Standards for fastening and securing materials in high-wind zones.3. Requirements for Roof Coverings (40%)The largest portion of the exam, covering technical installation standards for various materials.Asphalt Shingles: Underlayment requirements, fastener schedules, and slope limitations (e.g., $2:12$ vs. $4:12$ slopes).Metal Roofing: Installation of metal shingles and standing seam panels, including thermal expansion considerations.Tile, Slate, Wood Shakes: Specific fastening and decking requirements for heavy or natural materials.Low-Slope Roofing: Standards for built-up roofing (BUR), modified bitumen, and single-ply membranes (EPDM, TPO, PVC).Underlayment: Requirements for ice barriers and standard felt applications.4. Re-roofing Roof Insulation (15%)Guidelines for working on existing structures.Re-roofing Standards: When a complete tear-off is required versus when a second layer can be added (overlay).Structural Capacity: Verifying the existing structure can handle new material weights.Roof Insulation: Installation of rigid board insulation and thermal barrier requirements.5. Rooftop Structures Roof Drainage (20%)Focuses on the "accessories" and water managem

تعلم أونلاين 100%

شاهد الدروس في أي وقت ومن أي مكان

محتوى معتمد

مقدم من منصة Udemy

رابط موثوق

ينقلك مباشرة لصفحة التسجيل الرسمية

سعر الكورس
$29.99
الانتقال للكورس / التسجيل الآن
🔒 عند النقر، سيتم فتح صفحة الكورس الرسمية على منصة Udemy في نافذة جديدة.