Shingle with reinforced nail zone and method of manufacturing

A roofing shingle comprising:

• an asphalt-coated overlay sheet including a headlap portion and a tab portion;
• an underlay sheet secured to the overlay sheet;
• and
• a reinforcement member secured on the headlap portion, the reinforcement member being disposed entirely within the headlap portion and defining an outermost surface of the shingle, wherein the reinforcement member and the portion of the headlap portion to which the reinforcement member is secured improve nail pull-through.

A roofing shingle comprising:

• an asphalt-coated overlay sheet including a headlap portion and a tab portion, the headlap portion including a lower zone adjacent to the tab portion and including a nail zone, and an upper zone adjacent to the lower zone and extending to a trailing edge of the overlay sheet;
• an underlay sheet secured to the overlay sheet;
• and
• a first reinforcement member secured to the headlap portion entirely within the upper zone, the first reinforcement member defining a first outermost surface of the shingle, and
• a second reinforcement member spaced apart from the first reinforcement member secured to the headlap portion entirely within the lower zone, the second reinforcement member defining a second outermost surface of the shingle;
• wherein the first and second reinforcement members and portions of the headlap portion to which the first and second reinforcement members are secured improve nail pull-through.