Water stains if the discoloration seems to be damp check the attic or ceiling below the roof stain and investigate for a leak.
White spots on attic rafters.
The client will certainly expect an explanation for this white material on the roof rafters in the attic.
It is difficult to declare this one substance over another simply based on one s senses of sight or smell.
Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.
After all some mold shows up as a white powdery material but more often in a crawl space than an attic.
Look in the gutters for signs of asphalt granules that have washed off and expect to need a replacement.
Faulty roof insulation or construction can lead to leaks and a lack of proper.
I found approximately 10 percent of the roof rafters covered in spots with a white powdery substance which i assumed to be mold.
Rafters sheathing joists attic side of fascia boards etc.
Does mold on attic sheathing have to be removed.
Wood sap can hang from rafters in a long drop that resembles a long tear drop.
Below are a few ways to check for possible roof leaks.
Attic sheathing and framing.
The presence of mold inside your home even if it.
Check for areas of dark discoloration staining of wood e g.
In the attic photograph at left we show a mix of green gray and white attic mold.
What does wood sap on rafters look like.
Roof leaks will often lead to a small localized area of attic mold near where the leak is occurring.
After reading your article regarding mold i checked out my 36 year old home and found very little except in the attic.
Light spots on roof shingles dark colored asphalt shingles may appear lighter and patchy as they age.
The photo at page top shows white attic mold on the roof sheathing and rafters and some brown or black mold on the attic side of ceiling drywall where we pulled back insulation.
This is why it s less common to see mold growth on base trim after a flooding event.
Wood sap on rafters can exist in two different forms.
If not caught early sap can harden and crystallize.
The attic is basically a crawl space with loose insulation between the ceiling joists.
How to naturally treat kill attic mold.
Initially sap sweats out of rafters in liquid droplets that can range in color from yellow to a dark red or amber.