How to clean and prep RV roof sealants and surface before resealing

An RV owner in one of my Facebook groups posted the below photo and wrote, “Can I get some info on the product needed and tips for fixing this, please?” She wanted to know how to clean and prep RV roof sealants before beginning the resealing process.

Picture provided by Sally R. in the Grand Design RV Owners – In The RV Shop Group.

If you find yourself asking: How do I clean and prep the roof sealants and surface before resealing with Alpha or Dicor self-leveling sealant?—I have answers.

Cleaning your RV roof sealants and or surface before resealing

  • Sweep or blow off anything on the roof surface.
  • Once the surface is clean from debris, you can wipe down the area with Acrysol body de-greaser or mineral spirits to clean the surface. Acrysol will remove any of the old dirt and oils from the roof and sealant surface.
  • If there is anything loose, you will need to remove it prior to sealing. If the molding is loose, you will need to secure it back in place before resealing.
  • When everything is secured properly, then you are ready to begin the resealing process.

Once you have the sealants cleaned to your desired level, you can then start the sealing process.

cleaning old RV roof sealants
Make sure that anything loose gets scraped off.

DIY product links:

Make sure you check out Dustin’s website, California RV Specialists, and their YouTube channel for more helpful information, and see our published articles on RVtravel.com and other social media pages.

Thank you,
Dustin

##RVDT2200

Dustin Simpson
Dustin Simpsonhttps://calrvspecialists.com/
With more than 25 years in the RV industry, Dustin Simpson has done it all—technician, manager, instructor, business owner, and expert witness. He owns California RV Specialists in Lodi, an independent repair shop known since 2003 for unbiased diagnostics, failure analysis, preventive maintenance, and structural repairs across all major RV brands. Dustin has inspected thousands of RVs, consulted with manufacturers on recalls and engineering improvements, and testified in RV-related legal cases nationwide. He’s also a dedicated educator, sharing advice through Facebook RV communities, his YouTube channel, and his contributions to RVTravel.com.

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2 Comments

Mack
2 years ago

Dicor products specifically say not to clean with mineral spirits as it leaves a residue that alcohol doesnt

Alan
2 years ago

Follow with alcohol to clean off the mineral spirits. Careful with mineral spirits on the actual roof membrane though.