Tags: Caulk

Family-owned Sashco turns 80 making caulks, sealants in Colorado

During the height of the Depression, when banks were bankrupt, soup-kitchen lines ran long and a quarter of the population was out of work, Don Burch thought it would be a great idea to start a company. Today, son Les Burch said his dad’s plan to start a window company sounds, honestly speaking, stupid. Read more in The Denver Post about how Sashco survived and thrived.

Will my new caulk stick to silicone?

NO. No, your new caulk won’t stick to silicone caulk. Sorry to be so abrupt, but it’s the truth. You can stop reading now if you don’t want all of the details and the whys. Here at Sashco, we love the “whys,” so we’re trudging ahead. Fact is: nothing will stick to silicone – not even silicone. For the average person who needs to re-caulk their windows, bathtub, or anything else around the house, failed silicone means starting over from the very beginning. Why won’t your new caulk stick to silicone?... Read More

Why does caulk shrink and how can I avoid it?

  You just applied the perfect caulking bead. It was even with the surface. You even outlined the joint with painter’s tape to make sure it looked clean when done. Now, a couple days later, the caulk bead has gone concave. It’s the incredible shrinking caulk! What happened? Have no fear: shrinking caulk is actually a good thing. Shrinking Caulk = Better Performance Fact is, shrinking caulk is a sign of good elasticity. In order to achieve that elasticity, fewer fillers are used. Those fillers are great for creating a nice,... Read More

Lexel: The Clearest Clear Sealant vs. The Other Clear Sealants

When it comes to caulks and sealants, what does “clear” usually mean? For most caulk makers and users, “clear” usually means cloudy, or slightly white, or sickly gray. Rarely does it mean what people are actually looking for: something that you can look through that doesn’t skew what’s on the other side. (Think of a window or plastic wrap.) What does clear mean on a Lexel® sealant cartridge? It means a rating of 6 on the NTU scale. Pure, filtered water is rated a 0 on the NTU scale. We mean clear,... Read More

The Many and Unique Uses of Lexel®

Sashco products have been used for many things over the years, but none as storied as Lexel® uses. A friend of Sashco asked this question: “An Irishman walked out of the bar? Well, it could have happened. The real question: Will any Sashco product seal the crack in my stein?” Indeed, many Sashco products are great for random stein cracks, amoungst other things. In particular, Lexel® has been used in a variety of interesting applications. Its superior adhesion to a ridiculously wide array of materials, as well as its unmatched clarity, makes Lexel® perfect for both normal,... Read More

Splits and Tears in Your Caulk? Oh My! – Adhesive Failure

Winter is winding down, and you might be noticing some tears in the caulking around your windows, doors, siding and more. What causes these tears, and what can be done to fix them? There are three types of caulking failures. We’ll discuss their causes and, (most importantly), the solutions, so you can get on your way with permanent fixes. After all, who cares to caulk over and over again? Not you.     Caulk can fail in 3 different ways: Cohesive failure – when the caulk bead splits down the center. Read about causes... Read More

Siding Butt Joints – To Caulk or Not to Caulk?

Caulking Tips

Cracked Caulk At Butt Joints Is No Joke It happens year after year: cracked caulking in the butt joints of your siding. But what can you do about it? Here are some great caulking tips.                         Why It Happens Butt joints are a perfect example of poor joint design. They’re too small to accommodate a bond breaker (backer rod), so the caulk can’t stretch properly once applied. But they’re also too large to simply leave alone.  A lot of moisture... Read More