Are prone to leaking.
Sagging roofs from moisture.
Sagging problems can still be primarily blamed on poor craftsmanship.
Then this moisture expands and contracts with temperature changes widening the opening in your roof.
If your roof is more than 30 years old rebuilding it will be the most effective approach to dealing with sagging.
This deterioration spreads quickly.
Fixing a sagging roof as soon as you spot it is very important otherwise you could find that the problem will only worsen over time and in the end you may need to have the entire roof replaced which could be extremely costly not to mention a lot of hassle.
Stains damp musty odors and dampness are signs of a leaking roof.
On average a roof lasts between 15 to 30 years depending on the design the materials used and your climate.
Another sign of long time water damage is a sagging ceiling.
Over time the moisture cause these parts to deteriorate.
If the osb or plywood is soft then it has to go.
Naturally if you see buckets or pots setting about you know there s probably moisture.
If you have just stepped outside your house and realized that your roof is no longer straight this could signal a problem.
Also if there is noticeable sagging to your roof particularly between the rafters then your sheathing is compromised time to replace no inspection necessary.
Removing outer roofing material and underlayment from above will allow you to see the extent of the damage.
Different weather conditions can wreak havoc on your roof as well.
Moisture for example can settle in different parts of your roof.
Age of roof and weather conditions.
Roof leaks are the most common source of moisture in attics.
Even a small leak lets moisture in between the cracks which spreads as far as it can into your roofing material.
Problems with the roof itself aren t the only reason a roof might sag.
So choose your contractors wisely.