Sashco Big Stretch High-Performance Caulk for Windows, Doors & Siding

Sashco Big Stretch Caulk is the ultimate high-performance, water-based elastomeric caulking solution designed to prevent cracks and tears in windows, doors, and siding. This premium caulk stretches to accommodate the natural movement of your home, ensuring long-lasting, superior performance that outperforms traditional caulks.

Available in 10.5oz plastic cartridges and 29oz fiber cartridges (white), Sashco Big Stretch comes in a variety of colors to suit any project. Choose from White, Black, Gray, Slate Gray, Ironstone, Limestone, Almond, Tan, Dark Brown, Woodtone, Redwood, Pine Green, and Clear. A single 10.5oz cartridge covers approximately 26 linear feet with a 1/4-inch bead. Enjoy Free Shipping on all orders!

Why Choose Sashco Big Stretch Caulk?

• Unmatched Flexibility and Durability: Big Stretch caulk is engineered to stretch and flex with your home’s natural movements—whether due to temperature shifts, wind, or settling. Unlike other caulks that crack over time, Big Stretch remains flexible and durable, preventing the need for frequent reapplications.

• Superior Adhesion and Elasticity: The advanced acrylic-based formula ensures exceptional adhesion to a wide range of surfaces, including wood, concrete, vinyl, and more. The elasticity helps maintain a strong bond even as surfaces expand or contract.

• Weather & UV Resistance: Offering unparalleled UV and weather resistance, Big Stretch caulk prevents cracking, discoloring, and degradation due to sun exposure or harsh weather conditions.

• Paintable & Compatible: Big Stretch caulk is paintable with both latex and most oil-based paints. It can be painted in as little as 4 hours (latex) and 1 week for oil-based options. This flexibility makes it ideal for both interior and exterior applications.

• Easy Cleanup: Clean up is a breeze—just use soap and water. It’s a user-friendly solution for both professionals and DIY enthusiasts alike.

• Environmentally Friendly: With low VOC content (59.8 g/L), Big Stretch is a safer choice for the environment without compromising on performance.

Key Features of Sashco Big Stretch Caulk:

• Superior Flexibility: Stretches up to 25% of its original joint size, accommodating the natural movement of your home.
• Application Range: Effective in temperatures ranging from 40°F to 120°F (4°C to 49°C).
• Service Range: Withstands extreme temperatures from -30°F to 250°F (-34°C to 121°C).
• Long-Lasting: Offers an impressive freeze-thaw stability, passing 10 cycles from 0°F to 70°F.
• Quick Drying: Tack-free in under 1 hour and cures in 4-5 days (dependent on temperature, humidity, and bead size).
• Wide Compatibility: Works well on surfaces like asphalt, steel, vinyl, fiberglass, brick, ceramic tile, and concrete.

Where to Use Sashco Big Stretch Caulk:

• Windows & Doors
• Siding, Vents, Soffits, & Eaves
• Baseboards & Crown Molding
• Interior Soundproofing & Moldings

Big Stretch is perfect for any project where movement is expected—whether it’s log homes, concrete walls, or metal buildings.

Sashco Big Stretch Caulk vs. Other Brands

If you’re comparing Sashco Big Stretch to DAP or other log cabin caulks, you'll notice its superior performance in both elasticity and weather resistance. Big Stretch is the top choice for professionals in log home restoration, offering both cost savings and durability.

Application Tips for Best Results

• Ideal Conditions: For best results, apply Big Stretch when air temperatures are between 40°F (4°C) and 120°F (49°C).
• Allow Adequate Curing Time: For the best adhesion and paintability, allow 1-3 days of curing before exposure to rain. For more extensive joints, you may need multiple applications.
• Check the Weather: Ensure the forecast is clear for several days for the best results.

Buy Sashco Big Stretch Caulk Today and Save

Sashco Big Stretch Caulk is a superior choice for homeowners, contractors, and DIYers. Whether you're sealing windows, doors, or siding, Big Stretch provides the performance you need to ensure your projects stay secure and weatherproof for years to come. We offer competitive pricing and free shipping on all orders.

Frequently Asked Questions

Q: Can I use Big Stretch caulk for log cabins?

Yes, Big Stretch is ideal for log cabin exteriors due to its flexibility and weather resistance. Many contractors use it in place of more expensive products like Log Builder.

Q: How long does Sashco Big Stretch take to cure?

Typically, Big Stretch takes 4-5 days to fully cure, depending on the bead size and weather conditions.