What expanded perlite adds to a building
A practical look at the material: structure, common applications, and questions to ask the design team.
Materials · details · evidence
Construction, layer by layer
Practical notes on materials, details, evidence, and environmental quality.
Materialswithout marketing claims
Detailshow the system works
Evidencewhat can be verified
A thermal envelope begins at the details
Why material choice alone does not guarantee performance, and how construction details shape comfort.
Which documents to request from a developer
A concise list of reports, certificates, and calculations that help verify technical claims.