If you're not using self-sealing foam pipe insulation, you can duct tape it at regular intervals to hold it in place. Then, wrap the covered pipe in foil to keep it dry. When prepping outdoors ...

Pros: Cons: Reflective foil insulation works by reflecting ... and it’s often paired with a layer of foam for added insulation. Pros: Cons: Fiberglass insulation is the fluffy insulation ...