Vinyl fencing is a rigid form of plastic.  Consequently, when you attempting to cut with a wood blade, you can expect the materials will crack and pop around the blade.  This will leave a very jagged edge with pits and cracks along the cut.  But, more importantly, this is a very dangerous endeavor, with vinyl pieces shattering and flying around that could cause an eye injury or severe cut.   Use a blade specially designed for cutting plastics.  Typically, this is a blade with smaller teeth spaced closely together.  

If you need to cut a pocket for a profile or to increase the size of a profile to provide for a slope; use a Dremel or Roto-Zip type tool that uses an abrasive tip or a tip designed to cut plastics.  Always use a straight edge clamped to the materials to run the Roto-Zip along when cutting.  It is almost impossible to control these high-speed tools by hand; and a slight deviation in your cut will be noticeable. 

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© 2024 The American Fence Company. All rights reserved. Permission granted to reproduce for personal and educational use only. Commercial use, copying or distribution is prohibited without express written permission from The American Fence Company.