Sashco Big Stretch Redwood Elastomeric Door, Siding and Window Caulk 10.5 oz, Pack of 6, Packaging may vary. Homes move. Window frames pull away from the siding, or doors shift against the brick. They move when the temperature changes, the rain falls, the wind blows, or the earth quakes. Most caulks can’t take it – they dry hard and crack. That’s why you need Big Stretch high-performance water-based sealant. Its powerful adhesion and extreme elasticity will stick, twist, bend, compress, and stretch – more than 500% of its original size! – to handle most any movement your home can dish out, all without cracking. Keep the weather out. Thanks to its extreme elasticity, Big Stretch can twist, bend, compress, and stretch with the movements of your home to create a permanently waterproof seal. Handles even the widest joints with no slump. Apply once, enjoy for years. You’ll love Big Stretch. You can smooth it on as easy as mayo on a BLT. It’s low odor and easy water clean up. It comes in a variety of colors, including clear, or it is easily painted. What’s not to like? Use inside and outside. Big Stretch will adhere to a wide variety of building materials including vinyl siding and windows. It has incredible UV resistance and is perfect to seal out weather for many years. Or seal gaps around things like crown molding to add an appealing aesthetic touch to finish up your home project.