replying to Dave Chapman, Pauline Jackson wrote:
Hello Dave - yes two days ago we had exactly the same thing happen to us. The
inner panel of the roof unit exploded covering the entire conservatory (thank
goodness it was a cold wet day so we were elsewhere decorating). Nothing had
dropped onto it from outside, it was a mystery leaving damage to a leather
chair and hours of cleaning up. We have a ten year guarantee of which we have
used up seven years and hopefully after reading your mishap our installer, who
is coming later today, will have to change his tune about the fact that ours
"is the first he has ever heard about!" As he expects us to claim on our
insurance.

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