How To Clean Pergola Roof

How to clean an aluminium pergola.

How to clean pergola roof.

It sounds like you ve let it go for a while so you might have to hit it with something a bit harder. If this doesn t work you can sand the pergola and apply a fresh layer of stain and sealant. Mildew and mold can be cleaned with a mixture of bleach and water. But your hard work will pay off.

You want to keep the bleach concentration low to avoid staining or damaging the wood. In a bucket combine some cold or warm water with some liquid dishwashing soap the kind you use for washing. Gently wash your pergola with soap and hot water in sections. Take a garden hose and give the entire aluminium pergola a good hosing down from top to bottom.

Regular clean ups will ensure that these stains are tackled and your pergola looks elegant all through the year. Here is a link for the thompson s water seal i used. Rinse immediately after each section. If it needs cleaning you can use a low pressure power washer to clean away any debris or mud.

Leave it on for a few minutes and use a brush to gently rub the stains off. To remove stains and mildew mix a cup of vinegar oxygen bleach with a gallon of plain water and apply it on the stains soon after hosing down your pergola.