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RvRoofMagic will dry at temps above 50 degrees. It can actually go below freezing at night after application but will not continue to dry until it gets above 50 again during the day. This makes it one of the best versatile products for the RV community!


Rubex Caulk


Rated 4.5/5 based on 671 customer reviews

Coverage: N/A

Regular price: $14.90

Availability: In Stock

Rubex Caulk is a specifically formulated moisture cure caulk that will allow proper adhesion to RvRoofMagic



Product Overview:

Note: For areas around AC’s, vents and seams, order Rubex caulk. You can remove loose or old caulk and replace it with our Rubex caulk. It has been field tested to be compatible with RvRoofMagic so it will not void your warranty. Each tube provides 15 linear feet of coverage. Rubex MS is a premium, innovative product that represents the next generation of sealant technology. Rubex MS does not contain any solvents or isocyanates. It exhibits excellent adhesion to many substrates, including: aluminum, brass, steel, glass, granite, marble, wood, and most plastics. Rubex MS conforms to the requirements of ASTM C920, Type S, Grade NS, Class 25, and to AAMA Specification 802.3 Type II as a Back Bedding Compound. Rubex caulk, through independent testing, has proven itself to outperform Butyl, acrylic or Latex caulks on an application of RvRoofMagic.

Product Uses:

Rubex MS a is highly weather resistant and paintable caulk. It has also been field tested with RvRoofMagic and will not void the warranty. It is effective in sealing around RV's vents, AC's and corners. In addition, common applications include preparation for RvRoofMagic around windows and door frames, flashing, and joint-filling.

Technical Information:

Tack Free Time <1 hour @ 77°F Solids Content Approx. 100%
Color White Low Temp. Flex., -75°F No Adverse Effect
Specific Gravity 1.3 – 1.5 Hardness (ShoreA) 45 – 50
Elongation (ASTM D412) 275% Physical State Liquid Pumpable
Tensile Strength 225 psi Corrosive Properties None
Lap Shear, 1 in./min 275 psi Shelf Life Nine Months
High Temp. Resistance Up to 400°F UV Rating, 2000 hrs No Change
Skin Time <30 mins @ 77°F Sag None

Application Information:

Ensure surfaces to be sealed are clean, dry, and free of oil and moisture. Exercise care during application to prevent air or contaminant entrapment. Rubex MS is most commonly applied by pumping, either by caulking gun or power gun. It can also be applied by trowel or stiff brush. Do not handle, move, or pack for one hour until a surface film has formed. If necessary, clean tools and equipment with mineral spirits. Once cured, Rubex MS can be painted with most industrial and consumer paints, though testing is recommended.

Packaging & Handling:

Do not open until ready for use to maximize shelf life. Store at 60°– 80°F. Read all labeling before use.

Safety Instructions:

Use with adequate ventilation. Avoid contact with eyes, lips, and mouth. Avoid excessive inhalation during application. An MSDS is available upon request.


The information presented herein has been compiled from sources considered to be accurate and reliable but is not guaranteed. In practice, the differences in materials, substrates, storage conditions, actual site conditions and other factors outside of Edge Adhesives control are such that Edge Adhesives assumes no liability, nor makes any warranty, express or implied for such information, recommendations or instructions related to its products. It is the user's responsibility to determine the suitability of any material for a specific purpose and to adopt such safety precautions as may be necessary.