# Mastering Roof Inspections: Underlayment, Part 4

**URL:** <https://forum.nachi.org/t/mastering-roof-inspections-underlayment-part-4/204252>\
**Category:** Roofing Inspections\
**Created:** [September 24, 2021, 5:10pm UTC](https://forum.nachi.org/t/mastering-roof-inspections-underlayment-part-4/204252 "2021-09-24T17:10:30Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![gromicko](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/gromicko/32/58172_2.png) [@gromicko](https://forum.nachi.org/u/gromicko)\
**Post date:** [September 24, 2021, 5:10pm UTC](https://forum.nachi.org/t/mastering-roof-inspections-underlayment-part-4/204252/1 "2021-09-24T17:10:30Z")

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[https://www.nachi.org/underlayment-part4-10.htm](https://www.nachi.org/underlayment-part4-10.htm)