What Causes Black Dust From Door Hinges

All of my interior door hinges have fine black dust coming out of them.

What causes black dust from door hinges.

We built our house almost 5 years ago and in that time a film of black powder has built up on the door wall and baseboards around all the door hinges in the house. Last year i removed all the doors cleaned the pins and hinges and everything was ok for a few months but it started again. Kim from missouri asks we put up new hinges and over a period of time there is this black dust like stuff on the doors where the hinges are. An aromatic candle in a jar is the only candle in this northern virginia home.

This is a pesky problem usually seen on and around the most frequently used and heaviest doors in the house. Dust caused by hinges is common with residential duty hinges and is caused by the pieces of metal rubbing against each other. It stains the woodwork and doors. Over a period of time the carpeting will pick up enough airborne particles to cause the discoloration.

Air passes underneath the closed door causing the carpet to act as a filter for particles. Do you have a solution for that black residue around door hinges. Here s a question from our 4 27 2019 today s homeowner radio show. That black sooty stuff that seems to come out of the door hinges is graphite.

Note the black soot coating the top half of the jar. Wd40 doesn t really work either though it will help the door open smoothly. From what i hear a little lubrication with lithium grease can help though i don t think it will eliminate the problem. After a little researching i believe this powder is a graphite powder lubricant to help the hinges operate smoothly.