You'll need roughly 560pcs including a 5% waste. Thank you for your inquiry!
The project will require approximately 360 stones.
Yes, I've made steps with them.
The Quikrete Construction Adhesive is the best product and will create a permanent bond. This product is available on HomeDepot.com. Please see link below: http://www.homedepot.com/p/Quikrete-Polyurethane-10-1-oz-Construction-Adhesive-990210/204754979?keyword=quikrete+construction+adhesive
Yes, RumbleStone pavers can be used to overlay concrete. You will only need to adhere the border courses and any vertical stones with a quality landscape block adhesive that will not freeze. Sweep sand into the remaining joints to help lock the pavers together and prevent rocking of the pavers on uneven concrete surfaces.
Each pallet covers 98 square foot which includes 288 pcs.
You'll need 710 pcs to do that size project. That's approximately 2.5 pallets. You can get a 10% discount by buying in pallet quantities and HD can deliver to you for an additional $79 as well. Thank you for your inquiry!