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The common brief about both systems are already shared in the previous posts. To summarise the same the tabular difference has been derived for the audience:
|Below Grade / Below Ground Systems||Above Grade /Above Ground Systems|
|Movement Capability||Structural||Thermal and Structural|
|System Accessibility post installation||Mostly In-Accessible||Accessible|
|Application||Positive (from Inside) & Negative (from Outside) Application||Negative (from Outside) Application Mostly|
|Wear & Tear||No wear & tear apart from ground movement||Traffic & Weathering|
|Aesthetic||Hidden System||Aesthetically Pleasant|
|System Remark||Needs drainage & enhancement||Freeze-Thaw Cycle Resistance|
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