We have a 2013 cottage 40cck. On the ceiling where the ceiling panels are glued to the joists there are dark stains from one end to the other.the stains are very consistent and even. To me it seems like the glue that was used to adhere the ceiling pa...
Thanks for the replies, the stains are from one side to the other in the shape of the ceiling joists. Every joist , and only at the joist.i don't think if they were from water that the stains would be so straight and even.every joist has the same eve...
