Some people do cut and use pool noodles under a trailer cover but that is not required at all for the Adco Oldefin HD that fits travel trailers up to 15 feet, which is the following part number:
- Adco Olefin HD RV Cover for Travel Trailers up to 15' - All Climate + Wind # AD57ZR
The reason why is the # AD57ZR comes with ladder cap and rain gutter covers, and I added a photo for you showing one of these covers being put on a spout.
Overall, this is the best cover you can get for your... view full answer...