Water stains are an indication of water problem and hence the possibility of mold growth.
Water stains on wood in attic.
As with most stains it helps to act quickly.
Wood beams add architectural appeal to old world style or post and beam construction but water stains can mar their appearance.
Trace the ring with your finger to apply the wax.
Irregular stains may be an indication of mold growth.
Iron water stains out of wood tables.
And yet there s obviously a moisture problem.
Condensation can form around pipes and this can cause wood to rot.
Perhaps you use it for storage.
Water flows from the top down.
Are water stains hiding in the attic.
The most likely culprit for the damage a leaky roof should be.
The fruit bodies and possibly dark coloured hyphae of the molds may be present.
And eventually cause wood rot and reducing the life of your roof.
It rarely enters a home sideways.
Water and mold problems in the attic can deteriorate wood in the roof sheathing joists etc.
Let it dry and buff with a soft cloth.
Almost all attics in homes more than 25 years old will have some moisture stains on either the sheathing or the framing.
Inspectors will look for staining on the wood supports or on the walls that can provide evidence that water had once leaked or is currently leaking through the roof somewhere.
Attic stains may fall into this category depending on the severity.
In a reasonably well insulated and vented attic stains may appear due to condensation.
But how did those stains get there.
Because wood is porous it may be difficult to remove the mold stains from sheathing but you can kill the mold by cleaning the sheathing with bleach and water.
If the water stain has been there for only a few days use the heat in this method to evaporate all.
Mold problems are indications of water problems.
At some point you will probably need to go to your attic for something.
The roof sheathing is solid the roofing shingles are relatively new and there s no obvious source of water infiltration.