Roofing materials including a layer of a parting agent

A bundle of shingles comprising:

• a first shingle stacked upon a second shingle, where the first shingle and the second shingle each comprise:
• an asphalt-coated substrate having a first surface at least partially covered in granules on a front side of the shingle and an opposing second surface at least partially covered in backdust on a back side of the shingle;
• an adhesive;
• and
• a primary release section,
• wherein at least one of the first and second shingle further include a secondary release section disposed on the back side of the shingle and comprising a parting agent material, wherein the parting agent material is included on the shingle in an amount from 0.005 kg/m2 to 0.022 kg/m2, wherein the parting agent material is an oleophobic composition comprising a metal salt of a fatty acid,
• wherein the adhesive of the first shingle is in contact with the primary release section of the second shingle and the adhesive of the second shingle is in contact with the primary release section of the first shingle,
• wherein the secondary release section of the first shingle is in contact with the backdust of the second shingle and secondary release section of the second shingle is in contact with the backdust of the first shingle, and
• wherein the parting agent material provides a lap shear of less than 110 lbs. of force to the shingle.