Preparing, sanding and fiber glassing over old furnace entrance holes which were wrong size and placement for new furnace. The old furnace has 3 port holes and the newer style has 2.
We are redoing our 92 Born Free RV both inside and out.
Although the Furnace was still in good shape, we found the Model used in our RV is no longer supported. So we opted to go ahead while we are redoing everything else and replace the existing furnace with a new one, which led to this video.