Insulation is insulation regardless of type. Whatever the R-Value per inch of the specific material is, times the number of inches, will equal the total R-Value. We are looking for R-49 to be Energy ... read more
Depends on the specific type of tub but they can very quickly get over 300lbs.
I have thrown out my back moving them out when they were broken into two pieces so they are not light. Some run as heav ... read more