Chad Manufactured not modular, Shingles Common problem, there was a air foil attached at the gable end See the Asphalt Roofing Manufacturers Associationââ¬â¢s Guidelines for Manufactured Housing. ARMA Guidelines, Sec. 4.0, Special Transit Considerations Para.2. ââ¬ÅSpecial Precautions should be used to protect the roof in transit, such as full roof covering with plastic sheet, or net,airfoils, nailer strips to hold shingles down. Any residual damage from these techniques, such as fastener penetration through exposed shingles, must repaired or replaced.â⬦ââ¬