I'm glad to have discovered this thread on swiftlet farming. Haven't finished reading all of V1

I'm also exploring swiftlet farming and I think the discussions here will be helpful for newbies like me. Anyway, allow me to make one contribution regarding insulation material. This is for the double sided aluminium foil with air bubble in the middle. My friend in the construction industry uses a product called Xinfrax Heat Shield, manufacturer based in Perak. They buy in bulk for project and price is about 60-70 sen per sq ft.