Here are a couple of quotes from reflectix literature:
Air reflective garage door insulation.
The garage door is the primary contributor to hot garage temperatures in the summer (specifically west and south facing doors).
3 steps & most effective way to insulate your garage door to reduce heat gain:
Radiant barrier insulation has almost no r value by itself;
It is from us energy products.
Insulation garage door gibt es bei ebay!
Use garage door reflective insulation in hot climates in hot climates, the focus of insulation of a garage door has to be on blocking as much of the solar radiation as possible.
Reflective foil insulation usually consists of up to two layers of heavy duty polyethylene air bubbles between a sheet of aluminum foil and polyethylene white.
Reversible panels for a white or foil interior look.
Ad werkzeug und baumaterial für profis und heimwerker.
The upshot is heat, cold, wind and moisture might reduce your garage door insulation’s effectiveness.
The product is very easy to handle and installs very cleanly.
Ad werkzeug und baumaterial für profis und heimwerker.
Stopping this as much as possible is your first line of defense.
Each panel features two layers of sealed air that are laminated between two layers of reflective polyethylene.
Gaps and cracks insulating spray foam sealant with quick stop straw $3.51 product overview plymouth foam insulation kit includes 8 laminated, durable panels which are easy to clean.
This is achieved by sandwiching a layer of air entrapping material between reflective films.
The normal thickness of this 2 layer foil is 5/16th of an inch.
So now you can imagine its quality.