A History of Jamestown. The founding of Jamestown, Americaâs first permanent English colony, in Virginia in 1607 â 13 years before the Pilgrims landed at Plymouth in Massachusetts â sparked a series of cultural encounters that helped shape the nation and the world.
We supply laminated flat glass in the following thicknesses: 4.4mm,6.4,8.8mm,10.8mm,11.5mm but we manufacture special thick glass panels for floors and stair treads : We also supply bent laminated glass in the following thicknesses. 7.5mm,9.5mm,11.5mm,13.5mm.
Once the concrete stair treads are installed, people have a safe and permanent egress from inside and outside the structure. The standard size of a concrete stair tread is 24 or 48 inches by 14 inches with thicknesses dependent on the tread profile. These edge profiles include bullnose, wedge, square, and dropped. The bullnose profile has a thickness of two inches.