
Product specifications
Download Jobsite Flooring spec sheet (PDF)- Brand
- ARDEX
- Product type
- Flexible caulk
- Color
- Multiple colors (see options)
- Packaging
- 10.3 fl. oz. (305 mL) tube
- Joint width
- Up to 1/4 in. (6 mm)
- Coverage
- Approx. 25 linear ft. per tube (1/4 × 1/4 in. joint)
- Working time
- 10 minutes
- Skin time
- 5–10 minutes
- Tack-free time
- 15–30 minutes
- Cure time
- 3–5 days at 70°F (21°C)
- Service temperature
- -40°F to 350°F (-40°C to 176°C)
- VOC
- 25 g/L (SCAQMD 1168)
- Colors available
- 20
- Limitations
- Not for submerged areas, expansion joints, or traffic and abrasion
- Application temperature
- Surface above 50°F (10°C)
- Shelf life
- 36 months unopened
ARDEX Flex Caulk
Caulk & sealant
ARDEX FLEX CAULK is a siliconized acrylic caulk colored to match ARDEX sanded and unsanded grouts. It seals corners and edges where tile changes plane or meets another material, such as countertops, tubs, sinks, backsplashes and showers, in joints up to 1/4 inch. It tools within about 10 minutes, stays flexible and resists mold and mildew.
What it’s used for
- Corners and change-of-plane joints up to 1/4 in.
- Countertops and backsplashes
- Around tubs and sinks, and in showers
- Interior and light exterior installations
- Color-matched to ARDEX FL, FH and FG-C grouts
Contractors and builders get trade pricing with an account. See trade accounts
Sold individually, priced per tube.
Minimum order: 1.
Contact us for pricing: 703-929-8455 or orders@jobsiteflooring.com.
Availability: Confirm before ordering
Estimated lead time: 1–2 weeks. Delivery to Virginia, Washington, D.C., and Maryland. We’ll reach out with a quote that includes shipping after you request an order.
Delivery, cancellations & damage policy