Thumbs up on that. Remember that it can take a while for your slab to come up to temperature as well. Once it's in range you will be OK. Here are some tips that may help you out when applying epoxy in cooler weather: http://allgaragefloors.com/cold-weather-epoxy-tips/
Oh I will be talking with them when I'm ready to order. Just wondering when should I be ready to order. This is holding up the whole project but I don't want to do it too early.