Quote:
Originally Posted by strongmanmike
Cheers re the plastic, probably will do that 
I considered able flex too but couldn't find the right width to match the 110mm slab  ...so I decided to make it a completely empty space = no way for the main slab to touch the pier footing..? Whad-a-ya recon?
Mike |
I used some left over Styrofoam from the observatory materials and cut it to to the width and height of my pier base, placed it around it and taped it there. It now stays there. Fills the gap and doesnt transmit any vibrations. It was about 20mm thick.
Josh