True or False: Metal tile roofs require no underlayment.

Metal tile roofs actually require an underlayment as part of proper installation practices. Underlayment serves as an additional layer of protection against water intrusion, which is critical for ensuring the longevity and effectiveness of the roofing system. It acts as a barrier against moisture that can penetrate through seams or gaps in the metal tiles, particularly during heavy rain or wind events.

When installing a metal tile roof, using an appropriate underlayment—such as a synthetic sheet or modified bitumen—provides essential waterproofing and protects against temperature fluctuations. This is especially important in areas prone to severe weather. Additionally, the underlayment can help manage condensation and prevent issues related to trapped moisture beneath the metal tiles.

Some variations exist based on specific designs or local building codes, but the general standard across the roofing industry is to include underlayment in the installation of metal tile roofs, reinforcing the fact that the statement claiming these roofs require no underlayment is indeed false.