they can help retain indoor heat when combined with other insulation types. Fuenmayor says, 'A radiant heat barrier blocks heat transfer, which is great for unfinished basements with exposed joists.

His idea was to block that radiant heat with a folding barrier, but to make sure it ... him that a layer of extruded polystyrene (XPS) foam insulation covered with reflective Mylar did better ...

What you may not have considered, or even heard of, though, is insulation ... radiant heat away, particularly in hot climates. Therefore, it's useful for adding a small, additional thermal barrier ...

Features Deep Freeze Performance Insulation with an integrated radiant heat barrier; Perfect for keeping food and beverages cold during travel, tailgates, picnics, and more HARDBODY LINER WITH ...