Wall thickness alone does not tell the whole story. Climate, fire requirements, occupancy and local rules should guide the envelope specification.
Start with the destination climate
Hot, cold, humid and coastal environments create different needs for insulation, vapor control, corrosion protection and air conditioning.
Compare panel core options
EPS is lightweight and economical, while rock wool is commonly selected when fire and acoustic performance are priorities. Other core materials may be considered by project.
Coordinate the full envelope
Wall panels, roof insulation, windows, doors and floor build-up should work as one system. Ask the supplier to confirm interfaces rather than selecting each item alone.
Every modular project has different structural, climate and regulatory needs. Use this guide as a starting point, then confirm the final specification for your destination and intended use.
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