Despite this, Butyl is still a good sealant and can be used to seal small holes. Materials like bathtub caulking or silicone should never be used. It was widely used until the 1970s and is about one half the price of urethane. It is a rare man who can count his own blessings and not mistake them for personal achievements. Forms a tough, waterproof, durable, clear seal. Butyl tape doesn't even come close to doing anything like that, it is VERY weak. But as in any modern unibody the windows are a structural part of the body! Best Seller in Latex Caulk. Urethane is also … Get a quote today! The glass guy said he could keep that from happening so I went with urethane again. The windshield caulk also includes the glue, urethane or butyl sealant that is used to attach the windshield to the car structure. Personally I prefer urethane, much stronger, stays flexible much longer, and i've used it for decades, including on older cars that originally came with butyl. Team Acme one of the only AGRSS certified auto glass repair shops in the area and is also home to the only master certified tech in Nevada. Materials like bathtub caulking or silicone should never be used. But if we are being realistic, we have no choice but to leave some of this to the mechanics and repair shops. We are committed to using only the safest products during installation and making sure that when your car leaves our job, it is just as safe as when it left the manufacturer. Formulated for convenience, our medium viscosity adhesive is a single-component, moisture-curing product that requires no mixing, which is an advantage because many windshield replacements are done at the customer's location away from the shop. If you happen to live in the Las Vegas area and are looking for windshield repair, you are in luck. Both seal well, and are about as easy to replace a screen. Id rather not get involved in the butyl vs. urethane pros and cons. Parts are just part of what we do. Butyl caulk and urethane caulk are often used to seal and repair roofing systems. Lay the butyl tape on the window frame. butyl tape is what they used for windshields in the 60's and 70's because the cars were full frame and didn't use the windshield for uni-body structure. Not gonna enter the butyl vs. urethane fray here, but I plan to use urethane and foam dam for my glass install. In the good ol’ days, there was no urethane, only butyl tape. It does not cure or get hard after an installation, so it does not create a hard bond with the vehicle that urethane does. You may not realize it but, right now, there are no enforced safety standards for windshield repair. You can always clean up the gunk that seeps out. Butyl tape doesn't even come close to doing anything like that, it is VERY weak. Once it gets on that sun shade it becomes a real mess if you're not careful. That, in itself, shows you the difference in the strength of the two adhesives. The only butyl used these days is in bolt in quarter glass and back glass applications in some vans and trucks. Motor Vehicle Safety Act-Section 1397 (a) (2) (a) “No...dealer...repair business And is made from high-velocity polyurethane that is designed for replacing automotive glass parts. Motor Vehicle Safety Act-Section 1397 (a) (2) (a) “No...dealer...repair business $6.29. It wont dry and crack, causing water leaks like urethane will. FREE Shipping. Urethane is only used when attaching a piece of auto glass directly onto the frame of a vehicle, as in the case of a windshield replacement. 2. Do you have to replace the windshield using HMU? Also useful for sealing drip rails and pinchwelds after installation of vinyl hardtops. He/she should describe how they will remove the old windshield adhesive, install a primer and then use auto glass urethane for the new installation. However since butyl was used 'in-the day' most will tell you that's what you should use. 4.6 out of 5 stars 386. So you have reached the point of needing to install your windshield or rear window of your late 60’s – early 70’s GM A-body and you’d like to know just how the factory did it. As this is an original paint car, I am very careful about working around any painted surfaces for fear of damaging the finish. The results were great, he used a neoprene tape as a barrier that gave a nice finished visible edge and it kept the urethane in place. I felt the chance of damaging the paint during a windshield removal was too high and I also wanted something that would be correct for the period of my car. However, butyl caulk and urethane caulk are different products with different uses, application techniques and drying times. It is also suitable as a blackout primer to help protect against UV rays. The best way to do this is to look for an AGRSS certified auto glass repair shop. 4.8 out of 5 stars 331. I looked online and urethane has 600 psi holding power vs. butyl's 60 psi holding power. Butyl tape is an inferior adhesive as it only holds 60lb per square inch. No doubt urethane is really messy, but only until it dries. Glad you went with Butyl. The urethane must then sit after it is applied in order to cure properly and create a seal. Show details. One of the most important elements of a windshield replacement is the adhesive used to keep it in place. They may choose to use for the repair as well as the installation process. Well today there are options which are frequently debated for the proper installation of stationary glass and this post isn’t attempting to advocate Urethane vs. 3M™ Single Step Primer is designed specifically to promote the adhesion of urethane adhesive/sealants to windshields and other automotive glass applications. Think about that when LAUNCHING your car and it starts to twist! It's better to put too much in, rather than not enough. Also, ask if they use urethane as the adhesive and talk to them about how long they recommend the car (for curing) before it is driven. Paddle the urethane which is nice and soft tightly against the butyl. Clean any excess urethane with an adhesive cleaner. 4.7 out of 5 stars 826. Our site design allows you to quickly locate the product you need whether it is an adhesive for a construction, plumbing or … AGRSS certificate is a kind of guarantee that the shop will take care of all of your auto parts. Your windshield is what keeps you inside your vehicle in the event of a collision. Butyl has only 13 P.S.I of tensil strength while Urethane has OVER 300 P.S.I of tensil strength! 23 These materials have relatively low strength and tend to exhibit creep under load. I remembered hearing to use butyl on old windshields and not urethane. Certification by the Auto Glass Safety Council is entirely voluntary. Guess we’ll have to see how long urethane holds up 40+ years down the road. go with the urethane. Urethane. Replace moldings, windshield wipers and other trim removed in Step 1. Resistant to weather, extreme temperatures, vibration, shock and most shop chemicals. Of course, you want to make sure that you and your family are safe…. Yunpo Butyl Sealant Tape 4M/13Ft Waterproof Butyl Rubber Sealant for Car Headlamps Window Door Windshield Butyl Tape Black. Butyl tapes were sold in round and rectangular shapes. Butyl size for windshield and back glass. This item: C.R. Subscribe below! Glass Doctor ® of Seattle & Tacoma uses only AGRSS ® approved urethane based adhesive products from Sika and Dow Automotive in your vehicle. Butyl tape is still out there on the market (it’s used for many things) but here at Steele, we always recommend urethane adhesive for this application. Butyl rubber caulk and urethane caulk are both used to seal cracks and joints from water damage primarily in outdoor settings. Because it came off of the car lot at purchase. Think about that when LAUNCHING your car and it starts to twist! Page 1 of 1. Be paranoid about masking up the dash, hood and windshield surround to stop accidentally ruining your paint with the urethane adhesive. I would def. That means that each and every auto glass repair shop can make their own decisions about what materials they choose. Without this, your windshield cannot stay in place and keep you safe. 680 Professional Ave. | Henderson, NV 89015, Urethane vs. Buy QTY1 3M Butyl Tape 1/4"x15ft AUTOGLASS SUNROOF PUTTY BLACK CAULKING SEALANT KIT: Adhesives - Amazon.com FREE DELIVERY possible on eligible purchases Skip to main ... 3M Auto Glass Urethane Windshield Adhesive, 08693, 10.5 fl oz Cartridge. 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