Using a hammer to break it up will cause more harm than good.
Snow on roof of rv.
If the snow is not removed the snow acts like an insulator and starts to melt the ice under the snow.
Snow roof coating for rv.
The rv is 8 wide so it can be 250 pounds per running foot if 1 foot of water is on the roof.
1 foot of fluffy snow would be around 20 pounds per running foot of the rv length.
Melting snow leads to water damage.
A snow seal is a valuable roof coating that can offer a shield to your roofing system against the elements.
By breaking up ice you will also disturb the seam sealer that is preventing leaks at any seams or joints.
You can use a snow roof coating for commercial projects too.
It then can migrate throughout your rv causing serious structural and cosmetic damage.
The ice buildup can be the worst damage your rv could endure.
Once the ice is exposed to sunlight it will melt and run off on its own.
Scraping snow off the rv roof is a headache but not as much as an interior leak.
This would be equal to about 12 feet of fluffy snow.
It is typically an elastomeric coating that can adhere to metal aluminum granulated rolled roofing and other roofing systems.
The water can start to open up seams on your roof.
After that you re on your own and had better start checking for leaks when things thaw out.