Big Stretch caulk by Sashco comes in a variety of colors*: White, Black, Gray, Slate Gray, Ironstone, Limestone, Almond, Tan, Dark Brown, Woodtone, Redwood, Pine Green, and Clear, and is available in 10.5oz plastic cartridges. White is also available in 29oz fiber cartridges. A 10.5oz cartridge will yield approximately 26 lineal feet with a 1/4 inch (6mm) bead.
Big Stretch by Sashco, Acrylic Caulk for Windows & Doors
Big Stretch is a high-performance water-based elastomeric window, door & siding caulk that won’t crack…it just stretches.
Superior adhesion & elasticity
- Allows the caulking to stretch as your home moves instead of tearing or cracking
- Easy soap and water cleanup
- Unique commercial-grade performance in a water-based formula that goes on smoothly
- Unparalleled UV & weather resistance
- Prevents the caulk from cracking and discoloring
- Paintable without the paint gloss
- Compatible with latex paint and most oil-based paints, sealers, and stains
Great for interior and exterior use
Big Stretch comes in a variety of colors*: White, Black, Gray, Slate Gray, Ironstone, Limestone, Almond, Tan, Dark Brown, Woodtone, Redwood, Pine Green, and Clear, and is available in 10.5oz plastic cartridges. White is also available in 29oz fiber cartridges. A 10.5oz cartridge will yield approximately 26 lineal feet with a 1/4 inch (6mm) bead.
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Before you Start: Good Tips to Know
• Check the weather. Pick a time where you’ll have good surface and air temperatures: 40°F (4°C) and rising to 120°F (49°C) and falling.
• Lower temperatures and higher humidity will slow cure time, so be sure to allow 1-3 days curing before exposure to direct rainfall. Use plastic sheeting with good airflow underneath to protect the product if rain is expected sooner.
• Natural shrinkage will give the joint a concave appearance; multiple applications may be needed to fill the joint flat.
• Big Stretch accepts latex paints/stains within 4 hours. (Wait at least 24 hours with low-end latex paints. Some low-end, flat latex paints may
crack over Big Stretch, regardless of cure time.) If using an oil-based paint/stain, allow 1 week to cure. Larger beads may require more cure time before painting. Some paints/stains may interfere with adhesion regardless of dry time.
All Homes Move…
The window frame moves away from the siding or the door shifts against the brick. They move when the temperatures change, the wind
blows, the ground swells or the earth quakes. Most caulks can’t take it – they dry hard and crack out. That’s why you need Big Stretch.
just about any movement a home can dish out.
- Colors: White, Gray, Woodtone, Dark Brown, Tan, Clear, Almond, Redwood, Black, Ironstone, Limestone, Slate Gray and Pine Green
- Packaging: 10.5 oz. plastic cartridges or 29 oz. fiber cartridges
- Joint Size: Spans gaps up to 2” wide (1/2” depth)Paintability: Paintable with exterior latex paints/stains after 4 hours
and interior latex paints/stains after 24-48 hours (more for humid conditions).
- Paintable with most exterior oil-based paints/stains after 1 week.
Application Range: 40°F to 120°F (4°C to 49°C)
Service Range: -30°F to 250°F (-34°C to 121°C)
Specifications: Meets FHA requirements. Meets or exceeds Federal
Specification TT-S-00230 C, ASTM C-834, ASTM C-920, Type S,
NS, Class 25, Use NT, M, A. Exceeds 10% weight loss.
VOC: 59.8 g/L, < 1.5%
Extrusion Rate (ASTM C-603): 750 g/min (1/8” orifice at 40 psi)
Technicals of Big Stretch caulk:
- Recovery at 50% stretch: 100% in 3 minutes
- Recovery at 100% stretch: 96% in 5 minutes
- Durability (ASTM C-719): 25% total joint movement
- Freeze-Thaw Stability (ASTM C-731): Passes 10 cycles 0°F to 70°F
- Hardness, Shore A (ASTM C-661): 32 (21-day cure)
- Slump (ASTM D-2202): < 1/8” (3/4” vertical channel)
- Solids (ASTM C-1250): 83.8% by weight (pigmented) • 61.2% by weight
- Tack-free: Less than 1 hour
- Cured (ASTM C-679): 4-5 days (dependent on temperature, humidity and bead size)
Where to use Big Stretch®
- windows, doors, and siding
- vents, soffits, eaves and baseboards.
- Crown molding and sound-proofing interior walls.
- Adheres to most building materials:
- Asphalt • Steel • Formica • Vinyl • Cinder Block
- Stucco • Fiberglass • Metal • Aluminum
- Glass • Ceramic Tile • Brick
- Concrete Walls & Panels