Corking and Bolt

Corking. A gap is left between concrete construction to allow for movement and settling this can be seen in the photo to the right, that shows the gap filled by silicon corking, for fire safety.
The Tilt-up concrete slabs are also held together, supported and connected by a bolt. When the concrte if pored gaps are left so that the bolts can be latter added to connect the load bearing tilt up concrete panel’s together. This bolt also needs to be welded.