Is it true that NRCA recommends applying underlays on all shingle roof systems without exceptions?

The recommendation from the National Roofing Contractors Association (NRCA) to apply underlays on all shingle roof systems is rooted in the principles of best practices for roofing. Underlays serve as an essential protective barrier against water infiltration. By applying underlays, roofing systems gain an additional layer of defense against potential leaks and moisture accumulation, which can lead to severe damage over time.

The use of underlayments also enhances the overall durability and lifespan of the roofing system. They are particularly beneficial in protecting the structure during installation, providing immediate safeguards against unexpected weather conditions.

While there might be varying practices in different regions, the NRCA emphasizes a standard approach that prioritizes the longevity and waterproofing capabilities of shingle roofs, advocating for their use universally. Therefore, this recommendation holds true across all types of shingle roofing installations, without exceptions.