Skipg wrote:
Have 2020 TT call manufacturer about installing roof access ladder. Was told there was no backing to support a ladder. Also was advised not to walk on roof with out a backing board to walk on. My question is when did manufacturers start building TT with non walkable roofs. How am you supposed to do roof maintenance?
A long time ago, some brands had non walk on roofs to save weight on purpose. This was long before the current day "light weight" campers. If done right in the method of construction, the roof would hold the snow loads of the northeast US without issue. A non walkable roof done right, I have no issues with.
Some may say having a lack of a walkon roof is low quality. That is a general statement and not accurate in all cases. I have restored several older campers with non walk on roofs, and the roof leaks that damaged the trailer had nothing to do with the non walk on roof feature. All those damaged campers died from the fact the owner was not aware or realized how campers die a slow death of water infiltration, how to spot it and how to prevent it.
As to servicings the roof, this is how I do it.
Start with a tarp, old carpet or other material to protect the roof membrane. Lay that out first from the side on a good well placed ladder.
Then using manageable sized pieces of plywood 3/8" or thicker, place them on the tarp to span at least 2 rafters. I find wood sheets 24 to 30" wide x 48" long work for me.
Be very careful when you transition on and off the ladder. Keep your body weight todays the camper as the ladder can be very tippy that high off the ground.
See here for how I do it.:


Personally, I do not like the RV weak ladders on the back of campers. That is a lot of weight and stress on those ladders for a 200# guy or gal to be getting on and off the roof. Especially if you are not sure the roof is sound under it. Use a good solid step ladder from the side when bringing tools and other things up and off the roof.