Wall insulation or not?

When a new home gets a sealed crawlspace, it almost always has the walls insulated. What about an existing home? 

In most cases, it is better to leave the existing batt insulation in the crawlspace.   The batt insulation is what most people have in their home. It fits in the spaces between the joists and is held in place by wire hangers. As long as the insulation meets current code and doesn’t show signs of disrepair, maybe you should leave it rather than riping it out, hauling it away, and installing new insulation along the walls. RCS will seal the walls anyway as part of the service.  Be wary of other contractors that state it has to be replaced. The removal/replacement of the insulation could run as high as 25% of the total cost of the project. Why not save that money ( that you don’t need to spend anyway)  and get a better deal from RCS.

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