The mold itself may have a cottony texture but can also be velvety leathery or.
Water stains on attic decking.
Wear rubber gloves while applying cleaning solution and brushing it off with a stiff brush.
So when a problem rears its head leading to a trip to that forsaken spot seeing dark ugly stains on the rafters can come as a surprise.
Unless a problem arises like a wet spot suddenly appearing on a living room ceiling attics are pretty much ignored.
Water leaks are more obvious as telltale signs such as darkened water stains evidence of mold on the ceiling inside the house or wet sheathing.
Trex doesn t specify a brand of soap so a dish soap such as dawn is a good choice the brush will ensure you ll get any dirt in the embossed pattern.
If it rains within 48 hours after you apply the stain the water will soak into the wood pores and try to displace the stain.
Clearly the stains were caused by water saturating the wood.
Stubborn water stains need to be treated with household cleaner and water mixture.
Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green.
Clean the deck with a soft bristle brush and warm soapy water.
Attics can suffer two types of leaks.
This will result in a splotchy surface rather than an even tone.
All deck stains both water based and oil based offer a measure of water protection they repel water and keep rain from saturating the wood which can lead to swelling warping and rot.
Out of sight out of mind.
To remove tannin stains from debris such as leaves apply a commercial deck brightener once the trex decking is dry.