Lesson Summary. Infrared waves are just part of the electromagnetic spectrum; to be exact, they're waves that have a wavelength between 700 nm (nanometers) and 1 mm. This can't quite be detected by human eyes-it is just beyond the red side of the rainbow.esson Summary. Infrared waves are just part of the electromagnetic spectrum; to be exact, they're waves that have a wavelength between 700 nm (nanometers) and 1 mm. This can't quite be detected by human eyes-it is just beyond the red side of the rainbow.
Also called split rail or post and rail, a ranch-style vinyl fence with two to four rails typically costs do-it-yourselfers $4-$12 a linear foot for materials; with a gate and other options do-it-yourself materials can total $500-$1,400 for 100' of fencing and $3,500-$10,000 to enclose a simple square acre (about 830').
The price of vinyl fencing professional installation generally costs between $3 and $8 per linear foot. Benefits of Vinyl Fencing One of the biggest benefits of vinyl fencing is how little maintenance it requires in order to look great for many years to come.