There are several factors that might cause issues in your slide out awning including the following.
Slide out awning holds water.
I have adjusted the tension but that does not help.
My slide out topper awning has enough slack that it holds water.
You haven t said whether your slide out cover is vinyl or canvas but i ll bet it is a canvas material.
The awning covering the slide out seems to collect a large amount of water from rain or heavy dew.
It appears the roller tube is not rigid enough to stop water from collecting on fabric.
What s the make model year of your rv.
What is the model of your 18 rv.
I have a 2018 tiffin allegro open road 36ua.
I was having trouble with water puddling on top of my slide toppers and i think this will solve the problem.
Slide topper awning support i got this idea from a fellow camper while in maggie valley nc back in october.
I just had both of my seven year old slide toppers fabric replaced due to a year in the larger awning.
Poor tension typically results in a saggy center which acts as a water collection pool.
This water eventually runs down our windows streaking them and occasionally leaking through the slide out seam getting our carpet and couch wet.
Isn t there a way to adjust it to be tighter.
2018 tiffin allegro open road model 36ua.
The weight of the water has also caused the awning to stretch out and flap in the wind.
During this process i did a little research and found that in the carefree installation manual it states that the awnings will collect water and tht the awnings should be retracted occasionally to drain.
Has anyone had trouble with the slide topper on the big slide out 12 foot holding water after a rain.
Awnings rely on a solid supportive frame to keep the fabric stretched flat and tight.