Some old roofs have been found to have 30 40 layers of paint on them.
Old metal roof repainted.
Terne roofing was made by producing the.
It could even have multiple coats present.
Metal roofs of all kinds have many advantages from being long lasting to shedding water and snow quicker than an asphalt shingle roof.
The first job was to scrape all of the loose rust dried paint chunks and old roof cement.
Try to achieve a slightly abraded texturized finish as this helps your new paint bond with the roof finish.
Old metal roofs sometimes have patches of rust.
Has your metal roof lost its luster.
You can also use oil based alkyd paint but.
Sand the entire metal roof surface very lightly with your wire brush or sandpaper.
The roof was power washed and a metal putty knife was used to scrape the rust and old paint.
Church roofs school roofs facades mansard roofs and other colored metal roofs are a major part of the image of the building.
That way the sheathing and flashing can be inspected and if necessary replaced before the new roof goes down reducing the chance of a leak.
Make sure you examine that option alongside the option of a proper repaint to determine which one is better in the long run.
Tear off the old roof.
Although it isn t recommended to use a metal implement to scrape the roof it was the only way to remove the loose rust and old paint.
In fact even after painting a metal roof it is necessary to perform a cleanup washing down the roof with a mixture of bleach liquid detergents and water at least once every six months.
As you scrape away old paint you ll get a close look at your entire roof.
Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint.
When that much paint is present it may be time to replace the metal instead of painting it.
While heavily embossed metal panels can be laid over old asphalt shingles a full tear off of the old roof is recommended.
Before you dive head long into painting your metal roof you need to determine what type of metal it is because although it may appear to be galvanized it may in fact be what is known as terne metal.
Faded dull metal roofs can look like new again when restored with everbrite protective coating and will be protected from sun salt air acid rain and other damaging elements.
Try scraping them away with a putty knife if they re small.