1
vote
2answers
271 views

Can I use EPS concrete for a fire bowl?

I found this recipe for EPS concrete, and am thinking of using it to make a fire bowl (a decorative concrete bowl like the one described here, which holds a chafing dish gel fuel pack.) I would like ...
4
votes
1answer
355 views

Will I cause problem/cracks with jumping exercise in upper floor?

Every day I am doing my martial art practice in upper floor. It contains jumping and power movements which cause sounds downstairs. Is there any problem for concrete by this continuous jerking ...
6
votes
2answers
6k views

How do I fill a hole under a sidewalk?

The sidewalk leading up to my front door developed what looked like a sink hole under it about a year ago. Since then, an animal of some kind has made the hole even bigger and it now runs as a tunnel ...