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🖤 Seal smart, weather tough — the black belt of rubber sealants!
C.R. LAURENCE 777BL Black Butyl Rubber Sealant is a high-performance, weather-resistant sealant designed for superior adhesion and flexibility. Its unique polymer blend ensures durability against UV rays and temperature extremes, while allowing 10% joint movement without losing water-tightness. Easy to apply and tool, it bonds to most clean surfaces and delivers a sleek black finish, making it an essential choice for professional-grade sealing projects.
| ASIN | B001TBCQ92 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #65,118 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #156 in Hardware Sealers |
| Brand | CRL |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (261) |
| Date First Available | February 16, 2009 |
| Included Components | 1 |
| Is Discontinued By Manufacturer | No |
| Item Form | item_form |
| Item Package Quantity | 1 |
| Item Weight | 15.8 ounces |
| Item dimensions L x W x H | 12 x 2 x 2 inches |
| Item model number | CECOMINOD060301 |
| Manufacturer | C.R. LAURENCE |
| Material | solid |
| National Stock Number | 8030-00-577-4740 |
| Number of Items | 1 |
| Part Number | 777BL |
| Product Dimensions | 12 x 2 x 2 inches |
| Style | Compact |
| Surface Recommendation | Rubber |
| Thickness | item_thickness.string_value Inches |
| Water Resistance Level | Water Resistant |
Z**O
Sticky Weather Barrier
Great product. This is what you need to put the plastic weather barrier back on the door. Scrap the old stuff off and apply a healthy bead of this. Will definitely be using on future projects.
L**A
Great product
Worked well
C**N
Did a great job
The rubber sealant worked perfectly for sealing the frame of the window to the body of my truck. I did have to go back and fill in some places, not the fault of the sealant, just dips in the window channel. Sealed out the water and wind noise
Z**R
it does NOT Wipe off.
This stuff is Goooey!! This is not your ordinary "caulk", it's liquid rubber... i mean this stuff is sticky, stringy... gooey, and springy. YOU MUST use Painters tape to keep this stuff in line. Wear disposable gloves, I used this stuff to seal up my camper cracks. Jury is still out... but so far, it appears to be the hot ticket. If it stays pliable for a few years and holds the seal... that will impress me. This is my first time using the sealant. I did clean and prep the surface using Mineral spirits so I SHOULD be good to go. Time will tell. :) OH BE SURE TO CUT THE TIP AS SMALL AS POSSIBLE... this stuff is super stringy... so a small amount goes a long way. I would recommend using the small tip so you DON'T have to try to form the bead... once this stuff is out of the tube... it does not like to be touched when "wet". Definitely wait the TWO hours for it to "skin" up before touching it or you will have black spiderweb everywhere. This is a set and forget type of product. :)
S**R
Rather than using silicone.
I prefer to use this product instead of silicone caulk for exterior applications.
R**E
Great caulk
So this is butyl caulk which means that it goes everywhere if you aren't careful, and it sticks to everything, which is the point. A+ stuff. D- to whomever tossed the first one that I ordered in a paper bag and shipped it. A caulk tube without a tip is not that useful...Amazon replaced it after a few calls.
M**E
Worked well
Worked well
S**S
Normal Butyl Rubber sealant, good quality
Applied easily. Gooey as you would expect. Don't get it on anything you don't want it on- but if you want it there, it will stay. Spiderwebs are normal, be careful.
Trustpilot
3 days ago
1 month ago