Expandafill. Polyethene Foam Joint Filler. Expandafill is a closed-cell, polyethylene joint filler for use as an expansion joint filler in concrete, brickwork and blockwork. Being low density it is also useful for forming isolation joints for machine bases or similar locations.
The Gulf Stream is the most important ocean-current system in the northern hemisphere, which stretches from Florida to north-western Europe. It incorporates several currents: the Florida current, the Gulf Stream itself, and an eastern extension, the North Atlantic Drift.
What Causes the Gulf Stream? Even with the waves lapping at their feet, few people consider ocean currents and their importance to global climate. Although the Gulf Stream cannot be seen flowing by off North America's East Coast, in Western Europe, the current's warming effect is undeniable. This video segment adapted from NOVA uses satellite imagery to illustrate the Gulf Stream's path and animations to explain how atmospheric phenomena cause it to move.