1M views · 2.3K reactions | Quick demo on how to fix a concrete hole with Sika FastFix Patch Repair. This is a two-part, pre-proportioned, high strength cement mix for horizontal repairs on concrete surfaces  All you have to do is activate the components of the bag, mixing it together and pour it into the patch that needs to be fixed. And in 30 minutes to 1 hour it's all hardened up and ready to walk on! Sika USA Sika Canada Inc. | Mike Holmes | Facebook