Standard fiberglass or mineral wool has good longevity, however it is not invincible as different situations can affect its full potential. If you use your loft for storage, you might well have compressed the insulation therefore affecting its purpose. Our services include:- *Removal of old existing blown or rolled insulation using our Extraction Hoover if required. *Loft boarding using stilts so not to compress your new insulation. *Loft ladder Installation.