Impact of the Transcontinental Railroad. There are few things in American history that had the impact of the Transcontinental Railroad. Before it was completed, it cost $1,000 to travel between California and New York, and it could take as long as six months to sail around Cape Horn in South America.mpact of the Transcontinental Railroad. There are few things in American history that had the impact of the Transcontinental Railroad. Before it was completed, it cost $1,000 to travel between California and New York, and it could take as long as six months to sail around Cape Horn in South America.
Complete the Seal With Reflective Waterproof Sealing Tape. This single-sided waterproof sealing tape is made of metallised TyvekÂ® and acrylic adhesive, and is ideal for sealing around penetrations, pipework, windows and doors. TyvekÂ® Metallised Tape provides a durable bond and offers high resistance to water and humidity.
TyvekÂ® brand-The original nonwoven technology. Since the initial discovery in 1955 that led to TyvekÂ®, DuPont has been a recognized global leader in selective barrier technology.Lightweight and durable, DuPontâ¢ TyvekÂ® has introduced new dimensions of protection, security and safety in a wide variety of industries.yvekÂ® brand-The original nonwoven technology. Since the initial discovery in 1955 that led to TyvekÂ®, DuPont has been a recognized global leader in selective barrier technology.