Preparation for demolition

Now that Martin doesn't feel like he is dying, isn't having coughing fits, and can work for more than 2 hours without needing a nap, he spent the day at an tigin.  He has reinforced the barn roof.  He will be climbing up on the roof soon to strip off the shingles and take off the rotten sheathing.  He will then tear  out the wall between the barn and the kitchen addition.  To temporarily keep weather out of the barn, he's going replace the rotten sheathing with recycled boards from the house and cover it with 5 mil. polythene and battens.  The walls are going to be cobbled together with old saved, recycled doors and boards from the house.