hand sealing shingles steep pitch

Defying Gravity: Fastener Shear, Mansard Angles, and Hand-Tabbing Mechanics on Near-Vertical Slopes

• September 24, 2026
• admin

In French neoclassical estates, boutique urban penthouses, and colonial-inspired architecture across South India, the Mansard roof—and its close architectural cousin, the Gambrel—serves as a timeless silhouette. By employing a dual-pitch profile with an upper shallow slope and a dramatic, near-vertical lower face (often pitching between 60° and 80°, or roughly 21:12 to 68:12), the Mansard …