How Remove Rust Stain Hardie Board Siding

Try and create as consistent a spray pattern as possible.

How remove rust stain hardie board siding.

Big storms and windy days pick up dust and dirt that can cling to your home siding. People prefer the natural look and feel of real wood and prefer wood sidings instead. Stains are the most common sign that you have algae or mildew. See the test results here.

The problem with fiber cement board is mainly focused on the aesthetic nature of the material. If it is under 1 4 i would simply apply caulk. We used sherwin williams duration and although it was much more expensive than other outdoor paints it hasn t faded at all. Brown stains on wood siding can signal that moisture is forming underneath the wood.

After some watering of the lawn we had some very heavy iron stains on the white vinyl siding. When properly cleaned and cared for james hardie siding should last for 30 50 years. I have never seen hardie board check so i question whether you have the actual james hardie product or another type of fiber cement siding. Fiber cement board is an ideal alternative to the usual wood siding and is considered by many to be more durable than real wood.

Yes i would try clr as well. We have very high iron well water at our house. Also when you go to repaint use a good quality paint. But it s important to make the right maintenance moves to ensure you don t accidentally do anything that voids the warranty.

Black stains are usually a sign of mildew algae mold or fungus. Start at one end of the board and work your way down to the other. Adjust the nozzle so that the spray pattern is just slightly wider than the width of a single piece of hardiplank. I tried soap.

The stains can be different colors which can often tell you what is causing the growth. The clr worked great. A pump up sprayer works well for applying fiber cement stain. How you treat the checking board prior to painting depends on the width of the check.

Tommy cowett with growingreen shows how he removed iron stains on hard board siding. It has been at least 6 8 years ago that we painted. Spray on the first coat of stain.