When removing the rust remember not to bear down any heavier than you absolutely need to.
Remove fiberglass truck roof.
Use a fiberglass reinforced body filler for holes and depressions left over after digging out the rust.
Skip the metal grinding wheel.
It will remove too much undamaged metal.
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Apply a bug and tar remover formulated for fiberglass to any of the areas affected by bugs tree sap or white or black streaks caused by roof oxidation.
Unlike a rubber roof you can remove the old sealer on a fiberglass roof without causing any damage and in fact it is important that you do so in the areas that look questionable.
Having said that fiberglass rv roofs require less maintenance than rubber rv roofs which makes them preferable for some campers.
Thoroughly wet the fiberglass roof using a hose end nozzle and spray a small area with the cleaner of your choice.
You can whip up your own basic cleaner by combining one quart of bleach one gallon of water and cup 60ml of trisodium phosphate tsp.
In this video i remove the electrical wiring in the box and completed demolition of the box which included.
For maximum coverage use a pump sprayer to disperse the solution.
Bug and tar removers safe for fiberglass can be purchased at any auto parts store or an rv supply warehouse.
Clean the work area with grease remover.
Aa racks model adx32 c aluminum 2 bar 60 universal drilling truck camper roof rack with ladder stopper sandy black.
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Fiberglass this type of rv roof is hard to the touch and is a bit more rare than a rubber rv roof because the material adds cost and weight to the rv.
Remove any loose curled or flakey bits you find in your old seal.
Spray it on a clean rag and then wipe it over the old sealant to remove any remaining caulk left behind by your scraper.
Allow it to cure completely.
Use non chlorinated non hydrocarbon brake clean the key to using this product is not to spray it directly onto the epdm roof.
To get rid of mold and other types of growth for good it s best to use a powerful chemical agent like chlorine bleach.
Removing the fiberglass roof and cutting the side walls down to the height i need.
Depending on the condition of the roof it could take one two or even three attempts to fully remove the grime.