It can never be stressed enough just how ventilation that is important towards the longevity of your roof and exactly how energy saving your house is. Then the first step is to check if you have sufficient ventilation if you want to get everything you can from your roof. The amount that is proper of through your loft will achieve multiple objectives so when done correctly has a return on investment.
Through the summer time, heat will rise to the top of the loft without a real way to dissipate. That not enough airflow can cause hot moist atmosphere to rise and accumulate. If that moisture cannot escape it collects and certainly will cause damage to studs, insulation, roof decking and anything else into the attic. Then that is typically a symptom of bad airflow if you have shingles with nails popped. Add some winds that are heavy you will …