วันจันทร์ที่ 19 ธันวาคม พ.ศ. 2554

How to Lay the Foundation for a Patio or Walkway

Lowe's home improvement expert, Mike Kraft, demonstrates how to lay the foundation for a patio and walkway. The first layer is the gravel base, followed by leveling sand. These two layers will create a level area for your backyard patio. Learn how deep you should dig and what grade you should use around the house. Then, use a plate compactor to level the base foundation. Add gravel and compact again. Finally, use PVC pipe and leveling sand to create the top layer of the patio foundation. To find out how to finish installing your patio and walkway, visit www.Lowes.com

Thanks To : Civil Engineering หมวดงานโครงสร้าง โยธา ReadingDevice3GWireless

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