However in the forest river forums one user says instead of mineral spirits id use turpentine.
Removing tree sap from metal roof.
Fungi and other stains on the roof become slick when wet so you ll need to wear a harness or safety rope hard hat and have a sturdy ladder nearby.
Scrub the metal.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
This is a pretty strong product so i d suggest more research before using it.
Step 3 mix cleaning solution there are a few ways you can mix bleach but the most common is to take one part chlorine bleach three parts water and a sprinkle of liquid laundry detergent or tsp.
Tree sap is transported in tree veins and consists of nutrients hormones water and sugars.
It is actually made from tree sap and is a better solvent for the sap on your roof.
Soak a cotton ball with nail polish remover and gently rub the hardened sap until it is removed.
Mop undiluted oil soap such as murphy view on amazon over the affected area of the deck.
Dampen a rag with mineral spirits and rub the affected area until the sap is removed.
Let the wood absorb the soap for 10 to 15 minutes then scrub the sap with a stiff bristle brush.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
Many rvers have claimed successful sap removal with turpentine.
Then hold the rag on the sap while gently applying pressure for a minute or so.
Sap will be visible on the surface or bark of a tree flowing from a wound such as a saw cut or.
Cleaning your metal roof tip 4 staining and algae lime deposits on the roof can happen over time at which point you will need to have the roof re coated.
Softening the tree sap before trying to remove it is very important for getting the job done correctly 3 place some of the remover on a clean rag.
Wash the item with soap.