I recently did cut up a fibreglass tub with a DeWalt reciprocating saw (sawzall in vernacular ) and found the best blade was a 9" demolition blade . I had tried a fine tooth metal cutting blade and it was too slow.
On a three prong plug there will be a neutral blade, a "hot" blade and a ground blade. The neutral blade is wider that the "hot" blade. In North America the ground blade is "U" shaped.
You rub vigorously with hot, soapy water.
Fiberglass inside a metal jacket
Yes , a major problem with fiberglass
Smooth side = hot (small blade) Ribbed side = ground (large blade)
You can insulate the hot water pipes with spiral-wrap fiberglass insulation, foam tube insulation, or fiberglass pipe covers. These will all help reduce heat loss.
Look at plug, wider blade is the Neutral (MARK IT) the more narrow blade is Hot (MARK IT) Cut end off wire.. Inside a wire splice box wire nut black to hot, white to neutral. This is a very basic task however if you have no experience maybe contact an electrician.
yes it is. its keep the cold in and the hot air outside and vice versa.
In North America the narrow blade is the "hot", the wide blade is the neutral and the U shaped blade is the ground.
NO! Granite is hard S#$!. 1.If you don't have a diamond blade its not gonna do much. It doesn't matter how many blades or which way they turn. 2.You will need water to cool the blade and the tile. Without water to cool it the tile will get hot and break and the blade unless diamond will overheat turn to molten metal and fly apart .
No, fiberglass is an excellent insulator. In fact so good that linemen from the utility company use fiberglass tools when handling "hot" primary lines.
run hot water and soap in the tub and scrub