MS-30RV Flex Repair Self Leveling Caulking Lap Sealant

Product Description

30RV Flex repair self leveling caulking Lap sealant is one component multi-purpose and anti-sagging elastic self leveling lapsealant; It’s UV stabilized to prevent deterioration and discoloration. Plus, it will not stain or discolor any roofing material to which it is applied. The lap sealant is available in a HAPS free formula that meets the demanding industry requirements while providing a cleaner and safer work environment. Plus, the sealant makes it possible to continuously seal yet remain flexible.

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Use To Create A Watertight Seal Along Roof Edges/ Air Vents/ Vent Pipes And Screw Heads Used in automobiles, buses, elevators, ships, containers, etc., suitable for high-strength structural bonding and sealing. Suitable substrates include aluminum-plastic panels, marble, wood, concrete, PVC injection molded parts, glass, fiberglass, steel, stainless steel, and aluminum alloys (including painted).


1. This RV Roof Sealant will last the life of your RV

2. RV Rubber Roof Sealant Self Leveling Caulk can be applied in wet or dry conditions

3. SOLVENT FREE - Compatible with RV Flex Repair Seam Tape

4. RV Roof Sealer, Lap Sealant Self Leveling, Flex Caulk, RV Lap Sealant, EPDM Sealant

5. UV resistant, anti-aging and weathering resistance, flooding resistant and mould resistant;

6. Resistant to fresh water, sea water and usually water-based cleaning agents, and has a strong bearing capacity to fuel, mineral oil, vegetable oil and animal fat and crude oil, intolerant to concentrated organic or inorganic acid/base solution or solvent ;

7. For specific requirements, we can provide relevant products and advice.

Warranty and Liability

All product properties and application details based on information are ensured to be reliable and accurate. But you still need to test its property and safety before application.

All advices we supply can’t be applied in any circumstances.

CHEMPU don't make assurance of any other applications outside the specification until CHEMPU supply a special written guarantee.

CHEMPU is only responsible to replace or refund if this product is defective within the warranty period stated above.

CHEMPU makes it clear that will not take responsible for any accidents.

Technical Data



White homogeneous paste 

Density (g/cm³)


Tack Free Time (min)


Curing Speed (mm/d)


Elongation at break(%)


Hardness (Shore A)


Tensile strength(MPa)




Peel adhesion 

More than 90% cohesive failure

Service Temperature ( ℃)

-40~+90 ℃

Shelf Life (Month)



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    Description: RV Roof Maintenance is extremely important. The last thing you want is to deal with a leak on your next holiday. RV Flex Repair Sealant/Caulking provides the security you need. Once you use it, you can rest assured that you’ll be warm and dry. Directions:

    1.Remove any old sealant 

    2.Remove any loose caulking or flaky coatings that are not silicone. If it’s adhered well, you can apply the Sealant over it.

    3.Clean well (Acetone or Rubbing Alcohol works). Ensure clean surface before applying.

    4. Cut tip to size and puncture internal seal. Small screwdriver works well.

    5.Apply RV Flex Repair Caulking in dry or wet conditions.

    6. Covers 25 linear ft of seams per 10 Oz tube.

    7. Curing – Skins over in 30 minutes, Tack Free – 2 hours Tips: Works on EPDM, Metal, Aluminum, PVC, Kynar, Wood, Concrete, Fiberglass. Can paint over after 24 hrs. Apply in 35°F/2°C temperatures and rising. Will stick to RV Flex Repair Tape. Adhesion increases over time. Roughen/Sand plastic surfaces before applying. 

    Low Modulus Multi-purpose MS Sealant (2)

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