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laying curved roadbed
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Ceiling tile can be used without buckling. If you cut the ceiling tile in straight strips you must kerf it for curves. Cut the kerfs (inside of curve) every 1/4" - 3/8" about two-thirds to three-quarters the way across to releive the stress caused by bending. The inside radius is smaller than the outside radius hence the buckling. Attach it to the sub-roadbed with adhesive (liquild nails or comparable adhesive). Once laid you will then need to go back and fill the kerfs with a wood filler or plaster repair filler. Then sand it smooth. <br /> <br />Ceiling tile <b>WILL</b> swell with humidity and crumble if it gets wet. Once kerfed, glued, filled and sanded I would recommend you spray a coat or two of layex paint to seal it from the elements. <br /> <br />If you are getting the ceiling tile for <b><i>free</i></b> then you may save a few bucks but the extra time and work may not be worth the savings. <br /> <br />Also, if you are a prototyplical builder ceiling tile is way to thick for N scale. <br /> <br />Dave <br />
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