The Reverend Natural Light wrote:
Ramset works. It's much more fun and it'll leave the pleasant aroma of
gunpowder in the air for a few days. It can crack older concrete,
though.
That older concrete is very brittle. That was the situation in my house
~1920s. Wound up using Tapcons. The ricochets with the Ramset was
pretty exciting tho' ;)
Richard