On our return from Christmas with family down south it was clear that the house had taken some battering during the short festive break. The area and our exposed site had been hit by severe gales on Boxing Day, resulting in significant areas of roof and wall breather membrane being literally torn off.
This was probably no big surprise with regard to the wall, as the breather membrane is simply stapled to the Pavatherm boards which don't have much hold being a lightly compressed wood fibe board.
The roof membrane was a different matter however, this being fixed down temporarily with 3"x 2" battens nailed every couple of feet. Despite being mechanically trapped by the batten and spiked with nails, this was simply not enough to avoid being torn from beneath the battens to expose the sarking board again, by now drying out and shrinking to reveal the (intended) ventilation gaps between the butt joints. As a result, the inside of the house is soaked again!
I left a message with our joiner to let him know, who dutifully showed up a couple of hours later in the middle of his holidays to fix the damage in the dark just in time before the next downpour!
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