Can insulation grow mold? Unfortunately yes – contractors warn it's more common than you think, share the 3 signs you have it, and advise what next

A large shower in a converted attic with beige herringbone tiles.

Home insulation is not something many of us think about once it has been installed. When it is in place and hidden from sight, so long as it keeps your home warm or cool, it's fine, right? Wrong. It turns out insulation can grow mold, and it is more common than you think.

Expert contractors have warned that this commonly neglected issue could be damaging both your home and your health.