Bay Insulation of High Point has a metal building insulation that is a R-19 faced fiberglass with a vapor retarder backing. They do custom widths and lengths plus they offer different R-value options depending on building construction.
Faced Fiberglass Bay Insulation Systemsā Faced Metal Building Insulation (MBI) is comprised of a resilient, light density fiberglass blanket (NAIMA 202-96Ā® Insulation Only), laminated to a high quality vapor retarder facing, and is compliant with the NIA Certified Faced InsulationĀ® 404.2-2024...
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We have the same insulation from them in our old shop and we've been really happy with it.
The walls will get regular R-19 kraft faced fiberglass insulation from Lowe's later on after my bank account recovers from everything I've done so far