Add Wraps to WP Genesis Framework elements

functions.php

/**
 * @author    (Scott) Agirs Neminskis
 * @contact   scott.a@twosquarepixels.com
 */

// Wrap Genesis Post Loops in an additional element ( div, p, a, or any other )
  add_action ( 'genesis_before_loop', 'an_extra_loop_wrapper_open' );
  add_action ( 'genesis_after_loop', 'an_extra_loop_wrapper_close' );

  function an_extra_loop_wrapper_open() {

    echo '<div class="additional-wrap">';
  }

  function an_extra_loop_wrapper_close() {

    echo '</div> <!-- end .additional-wrap -->';
  }