Also notice the condensation stains at the shingle nail more evidence of a history of attic moisture which was a factor in this mold growth.
Growing in attic.
When that happens it can become an issue keeping a safe gap between your canopy and lights.
Try a bay6 loft grow tent or budbox roof tent they re the perfect fit.
On attic mold visible on pine tongue and groove roof sheathing near the building eaves.
Related to 3 above this practice can pump warm moist air into the attic where it can be trapped and begin the cycle of mold growth.
A sealed room is essential for the pest problems you will have in an attic too.
Nobody else is going to go in your attic but you.
Moisture food and warmth.
Some attics are difficult to get to.
Some type of insulation would be very benefitial if your have the time money inclination.
Your grow room is going to be bright and attics have less places for light to leak out and alert neighbors.
It s not included on a tour of the house and isn t visible to neighbors.
I would suggest you build a room inside the attic sealed.
Plywood or sheetrock just seal it with duct tape.
The presence of mold inside your home even if it s in an unused place such as the attic can cause.
Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.
You can use a standard flat roof tent but you ll lose some height.
Attic grows are tricky.
If you eliminate just one of these elements mold will starve and die.
Click photo for larger image.
Dryer vents plumbing vents kitchen or bathroom fans vented into the attic.
Mold needs 3 things to grow.