martin clark
pinko bodger
@stevec67
_ possibly an abundance of caution; without knowing exactly which product yours is... overlaying it with better-performing stuff might lead to issues from interstitial condensation, which obvs doesnt plays-well with newspaper ... that can be assessed but frankly, why waste time/money on calculation, take the next easy job.
Then again - and rather more likely - one of the reasons this stuff (and comparable early 'green insulation' ideas, like sheep's wool) went away quickly , is that such things even when treated turned-out to be fantastic habitats for insects and small rodents (who knew?!); and no contractor wants to be on the the hook for a pre-existing problem - simply because he was the last to touch it. HTH!
(Ps - grab a handful one day, try to light it - I bet it self-extinguishes without a sustained external flame.)
_ possibly an abundance of caution; without knowing exactly which product yours is... overlaying it with better-performing stuff might lead to issues from interstitial condensation, which obvs doesnt plays-well with newspaper ... that can be assessed but frankly, why waste time/money on calculation, take the next easy job.
Then again - and rather more likely - one of the reasons this stuff (and comparable early 'green insulation' ideas, like sheep's wool) went away quickly , is that such things even when treated turned-out to be fantastic habitats for insects and small rodents (who knew?!); and no contractor wants to be on the the hook for a pre-existing problem - simply because he was the last to touch it. HTH!
(Ps - grab a handful one day, try to light it - I bet it self-extinguishes without a sustained external flame.)