"Kate" wrote in message ...
** Frank ** wrote:

For a quick fix, try "Quikrete No. 8640, Gray Concrete Seal" which could
fill gaps up to 1/2" thick and has some give so it shouldn't crack.


Thank you so much Frank. Someone today told me I could also use Pig Putty. I have never heard of it.

Kate

Me either and this is the info: http://www.newpig.com.au/ProdDetails...rodCode=PTY201

Whatever you use, be sure the threshold don't flex under weight and seal tight against water intrusion to prevent termites and dry rot.