Ollerenshaw, 28, is an active solider and has recently returned from a three-month tour of duty in Kenya.
He last with Ashton United but has a lot of experience in non-league, playing for Curzon Ashton, Colwyn Bay, Fleetwood Town, Stalybridge Celtic, Warrington Town and Hyde United.
The 6’5” stopper will join the Lilywhites ahead of Saturday’s clash at Widnes.
Meanwhile, Ben Purdham, who has played the last six games for Mossley, has now returned to parent club Curzon Ashton.
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