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Best Industrial Sealants

EternaBond RSW-4-50 RoofSeal Sealant Tape, White - 4" x 50'
Ideal for use in sunny environments. Enter your model number to make sure this fits.
Reviews
"Knowing that the roof on the RV would eventually leak because man was created foolish enough to forget to put a cover on his RV in the hot sun, God created EternaBond Roof Seal tape. Do you want to seal the fine cracks in the EDPM roof rubber on your RV - FOREVER? You cut it to length, peel the clear backing off and firmly press it onto the roof of your coach. It will probably outlast the roof around it until you are left with no rubber roof save for the parts you stuck this onto. My plan is to slowly cover every inch of the roof on my 34' Bounder over the next few years until it is completely covered. Seriously - if these guys made a peel-and-stick roof covering in one piece I'd use it, except for the fact that I fear I would be in real danger of becoming stuck to it during installation, leaving myself helpless on the roof of my RV like a wayward mosquito caught in the web of a black widow, or a criminal caught in that spider-individual's web of justice, resigned to my fate of imobility. Fifty feet of this stuff is a lot, but at the same time you might be surprised how many little cracks and stuff you have up there, plus it is good to have some on hand in case of future leaks, or the sudden need reattach an arm after a bazaar kayaking accident."
"I bought it to anchor the new flexible, thin solar panels I purchased to the roof of my travel trailer."
"The guy in the Eternabond video uses his fingers to apply pressure (not the roller) and he uses a utility knife to cut the tape. Something else about the utility knife is important which is that it can be used to easily lance any air bubbles or "tents" that occur has you apply the Eternabond. The Eternabond website says to use a pin to pop air bubbles and describes the procedure for what to do for "tenting" and I found that also very helpful. As it shows that where it tents or bubbles, the important thing is only to lance it and smooth it over and apply another layer if necessary or to make it prettier. I am totally new to this and could be doing it wrong so I'm just going to get to the pictures ... First I noticed the trouble spot by the back rear where the caulking was breaking down and this looked like an area where it was possible for water to pool. When I applied the eternabond tape, I pretty much put it above where I wanted it (with back peeled off) and let it kind of fall into place by gravity as I guided it laying it as flat as possible. then when it was flat, I went about applying pressure from the middle out and working out all the tents and air bubbles and I pressed on the sealant. I used: pair of nice, sharp scissors to cut the tape (clean scissors as necessary with acetone if they get gunked). utility knife (clean with acetone if it gets gunked). acetone as described above. dishsoap as described above. my fingers to press down to ensure surface adherence (not the roller). On purpose here I did not use the tape over the black rubber or the gutter because both are in good condition with no breaches so I wanted to leave them as-is."
"I used "100 mph tape" many times in the Navy including once fixing a 25' aluminum boat that hit a bouy ( I think that guy was from the Coast Guard) but this stuff is 10x better."
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Dicor 501LSW-1 Lap Sealant - 10.3 oz.
Size: 10.3 Ounce. Helps creates a watertight seal along the roof's edges, around air vents, vent pipes, air conditioners, and screw heads.
Reviews
"The review that gave 2 stars for not leveling...it looks like he did a single narrow bead, which didn't look good. My install looks like the guy who gave it 5 stars...wide bead."
"This time I bought it to mount a transponder for my fish finder in the hull of my kayak."
"Gooey stuff which works great for what it is - seal up almost any size hole or space."
"When you order the MAXXair fan you will need this to finish the installation."
"I just used the Dicor 501LSW-1 Lap Sealant a few months back..."
"This self leveling Lap Sealant worked great for installing a roof fan/vent on my van."
"This stuff STICKS!"
"Worked exactly as expected."
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Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube
Suggested Applications: Valve covers, oil pans, intake manifold end seals, timing covers, and differential covers.
Reviews
"I did also purchase a gasket and used this silicone sealer on both sides of it for maximum sealing."
"I used this when replacing a water pump on my 2006 Camry and so far so good."
"Upside is that it'll go gradually from the opening towards the back, so you can still use a small amount of it towards the wide end within a week or so if you use scissors to cut it open bit by bit until you find where it's not hardened."
"Great automotive gasket maker and adhesive - I probably use it more as an adhesive than making gaskets - Works either way - I consider it Permatex's Best Product - Never w/o it!"
"This is the best "glue" for plastic parts on a car."
"I use this stuff as a gasket replacement on my scooter and car."
"Used for headlights and it works perfectly, didn't really make a mess because of the screw on funnel that came with it."
"I originally had bought a gasket for a thermostat on my girlfriends car."
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Best Industrial Gasket Sealants

Permatex 85080 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 9.5 oz. PowerBead Can
Extended warranties, engine sensors and new component materials such as aluminum, bi-metal alloys and high-tech plastics, have created the need for superior RTV silicone gasket makers in both OEM production and service applications. Suggested Applications: Valve covers, oil pans, intake manifold end seals, timing covers, and differential covers.
Reviews
"I did also purchase a gasket and used this silicone sealer on both sides of it for maximum sealing."
"I used this when replacing a water pump on my 2006 Camry and so far so good."
"Upside is that it'll go gradually from the opening towards the back, so you can still use a small amount of it towards the wide end within a week or so if you use scissors to cut it open bit by bit until you find where it's not hardened."
"Great automotive gasket maker and adhesive - I probably use it more as an adhesive than making gaskets - Works either way - I consider it Permatex's Best Product - Never w/o it!"
"This is the best "glue" for plastic parts on a car."
"I use this stuff as a gasket replacement on my scooter and car."
"Used for headlights and it works perfectly, didn't really make a mess because of the screw on funnel that came with it."
"I originally had bought a gasket for a thermostat on my girlfriends car."
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Best Industrial Joint Sealants

GREAT STUFF Big Gap Filler Insulating Foam Sealant with Quick Stop Straw, 16-Ounce 2-Pack
New Quick Stop straw technology - helps stop messy foam drips, Forms a permanent weather-tight seal to minimize drafts and insect infestation and has exceptional adhesion to building materials. GREAT STUFF big gap filler insulating foam sealant with quick stop straw can be used in interior or exterior application and is tack freee in 6 minutes and can be trimmed in 30 minutes. Foam elasticity properties allow for movement and shifting within a structure. Cures as cream colored, rigid foam; ease of application results from all direction dispensing. GREAT STUFF Big Gap Filler Insulating Foam Sealant with Quick Stop Straw, 16-Ounce 2-Pack, Technology offers the same benefits as GREAT STUFF Gaps and Cracks but fills gaps larger than 1 in. It's polyurethane-based and perfect for all sorts of materials like wood, drywall, metal, masonry, glass and most plastics.Increase home comfort and energy efficiency with GREAT STUFF and GREAT STUFF PRO.
Reviews
"I have used my hands to spread lots of things from elmers glue to jb weld. I noticed immediately that I couldn't simply rub my fingers together to "roll" the material to get it off, like you can with most glues. Now I had this satanic cement on my hand AND the paper towel had created a horrid mesh of filth that was resistant to every product known to man. I spent a minute yanking and finally got the towel off and saw the sad reality that all that pulling had made ZERO impact on removing any of the gunk. I started yelling for my wife and begged her to google this filth in order to find a solution....you know....since I couldn't use my phone for lack of having a second hand. I went and sat down on the couch dejectedly and turned on Season 5 Episode 4 of Dexter to make me feel better....although it didn't help much. I really needed to go to bed so I hit the shower and tried to wash my body with my brand new plastic hand. Even if the label on the back does say that simple rinsing of water and soap will solve the issue."
"This is a great product, a little bit tricky to use, wear heavy gloves when uses and think twice before your apply because there is no easy way to remove it also when it came in contact with other materials like concrete, wood or paint it can show up on a dark ugly color, as i said before wear gloves and protect the area you don't want to mess up."
"Filled very large holes in the exterior wood of a house ( temporary fix, Guests were on the way and no time to do proper wood work )."
"This stuff works great buy I can't emphasize this enough."
"Before I bought this, my life had huge gaping holes, especially under the patio door sill."
"Gap filler dries SOLID and white."
"The name says it all, it is "Great Stuff" I had a leak between the deck cover at the back of my house in front of the entrance door that nothing seemed to even partially fix."
"In the photo I tossed the snozzle in the bin I was filling for a reference on size versus the snozzle."
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Best Industrial Thread Sealants

Dixon Valve TTB75 PTFE Industrial Sealant Tape, -212 to 500 Degree F Temperature Range, 3.5mil Thick, 520 inch Length, White
For use in wrapping pipe threads to create air and water tight connections.
Reviews
"The first time I only wrapped it around the threads 3 times and there was a single drop leaking from it every 5-7 seconds. The next time I wrapped it 6 times around and got a perfect seal with not a single drop leaking."
"What a pain in the ass this was to use."
"It's not too thick that you won't be able to screw the pieces together, and not too thin that it rips while using."
"Dixon Valve TTB75 PTFE Industrial Sealant Tape, -212 to 500 Degree F Temperature Range, 3.5mil Thick, 520" Length, 3/4" Width, White."
"Having worked as a plumber for some years back in the late 1970's the tape we used was a bit thicker and never once did we cut it. It does the job won't break the bank you MIGHT find Sealant Tape at the 99 Cents Only Store, but I needed it TODAY."
"I should have prob went with a different size tape, because this was a tad too wide, but that's not an issue since you can either have a bit of tape showing, or push the tape down."
"(Not for a very small surface). Maybe everyone else already knew that there is more than one size of plumbers tape, but it was news to me."
"I bought this tape to repair the power cord for my macbook air, and so far it's worked perfectly."
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Best Adhesive Caulk

Loctite Heavy Duty Epoxy Quick Set 8-Fluid Ounce Bottle (1365736)
We combine innovation and technology leadership and close customer partnership to deliver solutions that are an essential part of countless industrial and consumer goods. Loctite Epoxy Heavy Duty is a two-part adhesive consisting of an epoxy resin and a hardener. Ideal for multi step projects such as chair assembly, Stair spindles, decks, trellises, arbors, fencing, lattice, mounting studs, stonework and laminating. Bonds metal, glass, ceramic, wood, many rigid plastics, china, tile, fiberglass, concrete and stone.
Reviews
"Great two-part epoxy for use on my RC airplanes."
"containers both cracked leaking epoxy all over the inside of my drawer."
"Good ol epoxy... sets up fast, cures rock hard and clear."
"Hello, I’m so glad for this opportunity so that I might be able to say how awesome this purchase is."
"I've used it for several different materials also gluing dissimilar metals to plastic has worked very well."
"loctite, need i say more?"
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Best Adhesive Caulk

Sashco 10016 10.5oz 10016 Big Stretch Caulk 10.5-Ounce Cartridge, White
100% acrylic latex, high-performance caulk with powerful adhesion and elasticity will stretch and compress to absorb just about any movement spans gaps up to 2 inch wide and stretches up to 500% of the original joint size without cracking for interior and exterior use low VOC freeze-thaw stable paintable with exterior latex paints/stains after 4 hours; interior latex paints/stains after 24-48 hours soap and water cleanup. Enter your model number to make sure this fits.
Reviews
"To avoid problems, I checked the “1” and “2” ratings at Amazon and at other websites for potential concerns: Sashco Lexel Adhesive Caulk – This caulk had high ratings at Amazon and other sites, especially by experienced contractors. A few other brands of caulk were for seasonal weatherproofing, which was not practical in this case. The ALLWAY TOOL CT31 3 In 1 Caulk Tool made it easier to work efficiently and accurately. This may not be best practice, but I applied painter’s tape to create a border on the floorboards once, applied the caulk to 2 walls in a row, then went back to the first wall (about 20 minutes later) and applied white Behr Premium Plus Paint and Primer in One with a soft brush and light strokes, then lifted off the tape. Also, when the tube was almost empty, caulk leaked out all over the caulk gun base."
"I have a gap, which fluctuates seasonally in size, between a laminate counter top backsplash and an outside kitchen wall."
"Used caulk backer rod on big cracks, and Big Stretch filled in nicely."
"Good caulk but wait for at least 2 days before painting over."
"Have started buying this and forsaking other caulking."
"Best darn calk out there."
"this works but a little annoying to use as it comes out even without pressure so it makes a huge mess."
"Thought this would provide good replacement as advertises up to 1/2 cracks."
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Best Latex Caulk

DAP INC 18152 10.1oz White Alex Plus Acrylic Latex Caulk with Silicone
World & main offers an extensive line of assorted household cleaning supplies, rope and twine, snow brushes and ice scrapers, clothes dryers, clotheslines, and accessories. With a variety of every-day items designed for convenience and ease of use, world & main is the one-stop-shop brand. Superior quality, multi-purpose acrylic latex caulk plus silicone.
Reviews
"easy to work with, paintable, lasts a long time."
"I used it to seal up gaps around the frame of window screens."
"Takes forever to dry and is not so clear."
"I needed to seal a window and this worked out perfectly."
"My favorite caulk."
"One hundred percent satisfied."
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Best Caulk

Flex Seal Spray Rubber Sealant Coating, 14-oz, Clear (2 Pack)
Enter your model number to make sure this fits.
Reviews
"Did not work for my purpose."
"my husband was disappointed."
"Didn't stick as it said in product claims."
"Seems to form a good seal."
"messy but work."
"I honestly don’t know why it burst into flames, scared the hell out of me though. But if you do, make sure the asphalt shingles are not warm or it will set your house on fire, it happened to me!"
"This stuff was not thick and after spraying a whole can of it on a spot, it still wasn't sealed."
"Does not work as advertised."
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Best Caulk

Flex Seal Spray Rubber Sealant Coating, 14-oz, Clear (2 Pack)
Enter your model number to make sure this fits.
Reviews
"Did not work for my purpose."
"my husband was disappointed."
"Didn't stick as it said in product claims."
"Seems to form a good seal."
"I am very pleased with this ass I use it to water proof terra cotta fountains I make."
"I honestly don’t know why it burst into flames, scared the hell out of me though. But if you do, make sure the asphalt shingles are not warm or it will set your house on fire, it happened to me!"
"This stuff was not thick and after spraying a whole can of it on a spot, it still wasn't sealed."
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Best Fire Barrier Caulk

3M Round Fire Barrier Putty Sleeve Kit DT 200, 2", Round
Size: 2".
Reviews
"Excellent build quality!"
"Penetrated a 1-hour firewall with a couple of these 3M fire barrier sleeves."
"Good product."
"Definitely universal."
"Item exactly as described."
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Best Fire Barrier Caulk

3M Round Fire Barrier Putty Sleeve Kit DT 200, 2", Round
Size: 2".
Reviews
"Well made and easy to use."
"Excellent build quality!"
"Penetrated a 1-hour firewall with a couple of these 3M fire barrier sleeves."
"Good product."
"Definitely universal."
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Best High Temperature Caulk

Caulk Warmer WB60908 115 Degree Caulk Warmer
Reasor Caulk Warmer WB60908 Caulk Warmer 115 degrees +/- has the dimensions of 18 inch high by 15 Inch wide by 3 Inch deep. Equipped with a nylon strap with a quick disconnect. 120 volts AC - 50 watts and the maximum temperature is 115 degrees Fahrenheit plus or minus.
Reviews
"Had to get one for every crew because they were fighting over it!"
"I must have for anyone working during cold weather."
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