![Silica Grey 2x4 Swell Vitrified Floor & Wall Tiles at Rs 55/square feet | Vitrified Floor Tile in Hyderabad | ID: 25981858088 Silica Grey 2x4 Swell Vitrified Floor & Wall Tiles at Rs 55/square feet | Vitrified Floor Tile in Hyderabad | ID: 25981858088](https://5.imimg.com/data5/SELLER/Default/2022/6/DT/XN/KQ/48296390/1-5-1000x1000.jpg)
Silica Grey 2x4 Swell Vitrified Floor & Wall Tiles at Rs 55/square feet | Vitrified Floor Tile in Hyderabad | ID: 25981858088
Why wasn't one solid heat shield built for the Space Shuttles instead of individual silica tiles? Wouldn't one solid heat shield have been stronger against debris puncturing into it during launch? -
![Dr. Phil Metzger on Twitter: "Another interesting fact: a lot of the darker, new tiles (the replacements) are located over antennas, which we sometimes used as convenient access points for airframe structural Dr. Phil Metzger on Twitter: "Another interesting fact: a lot of the darker, new tiles (the replacements) are located over antennas, which we sometimes used as convenient access points for airframe structural](https://pbs.twimg.com/media/FT2vd-7WAAIlUxv.jpg)