jimh406 wrote:
I'd scrape the old Dicor off and reapply. It's not that hard and cheap insurance.
We removed all of the original Parbond from the aluminum roof and resealed the roof penetrations (refrigerator, sewer vent, bathroom vent and escape hatch over the bed). Used Dicor 501LSW-1 Self-Leveling (White). Glad we purchased a new drip-free caulk gun. That and some painters tape made working with Dicor a snap!
Now that the roof is done it's on to the next step. Re-caulking all the windows and trim pieces on the sides with Dicor 551LSW1 White Non-Sag lap sealant. Trying to decide if we want to remove the trim pieces and seal the corners with Dicor Seal-Tite tape and new lap sealant or simply refresh the caulking along the trim. No signs of leaks. This is becoming one of those projects...when is enough enough :B
Still need to follow up with Dicor on the original 303 question. Been putting every hour possible into the roof re-sealing while the weather is good.
Appreciate everyone's comments!