Diy Cedar Barn Door . Diy shed door plan for single and double door. Determine the width of the last t&g piece to build up the door to an exact 75 width. DIY Wooden Barn Door Baby Gate Building Plans in 2020 Barn door baby from www.pinterest.com Determine the width of the last t&g piece to build up the door to an exact 75 width. The opening was 24.5″ x 96.5″. Real cedar free diy project plans.