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PermatexPermatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1

PermatexPermatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1

Q: How can i apply this ao it comes out neat

Make sure surfaces are clean. Work slowly using the smallest opening in the tube you can. Check your spelling before hitting 'send'.

Q: Can this be used to help seal a drainage hole in a resin planter I now want to use as a water feature?

YES it can, as long as it is not too thick. If the hole is large, use a wood plug or short bolt/screw to fill the void and the Permatex as a sealer around it.

Q: Could I put this along the edges of convertible top? I don't want to glue the top on, just improve the seal where rain drips in.

Yes it will work. The best way to seal it is to apply the sealant where you want it to stick, and put vaseline on the other surface so it does not stick. This way it will not be sealed shut. The side with the vaseline will not adhere to the sealant and you will get a gasket so your top can go up and down without tearing it apart once it dries. I hope this makes sense.

Q: Does this work for a crack in a car dashboard?

Probably, it is like black caulk. Sticky to put on. I use a popsicle stick to smear it on a spot the removal part of my car top to fix a leak in the rubber seal. This stuff is flexible and worked great for that.

Product ID: 1838590

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Details

Brand
Permatex
Specific Uses For Product
Seals bonds
Material
Silicone
Item Form
Tube
Special Feature
sensor-safe

💧100% Waterproof & Weatherproof

🌡️Temp range -75°F to 450°F

🛠️Multi-surface bonding power

Description

🔧 Seal it like a pro, weatherproof your world!

FLEXIBLE DURABLE - Waterproof, vibration-resistant, and flexible to maintain a lasting seal on both horizontal and vertical surfaces.
ALL WEATHER WARRIOR - Withstands extreme temps from -75°F to 450°F, ready for any climate challenge.
SENSOR SAFE FORMULA - Safe for sensitive electronics and electrical wiring, ensuring reliable protection without interference.
ULTIMATE VERSATILITY - Seals, bonds, and repairs glass, metal, plastics, fabric, vinyl, and more—your go-to fix-it solution.
PRO GRADE PERFORMANCE - Professional-grade RTV silicone sealant trusted for door frames, seams, roofs, and weather stripping.

Permatex 81158 Black Silicone Adhesive Sealant is a professional-grade, sensor-safe RTV sealant designed for indoor and outdoor use. It bonds and repairs a wide range of materials including glass, metal, plastics, and vinyl, while offering waterproof, flexible, and vibration-resistant protection. With a broad temperature tolerance from -75°F to 450°F, it’s ideal for sealing door frames, electrical connections, seams, roofs, and weather stripping, making it an essential tool for durable, all-weather repairs.

Specifications

Brand	Permatex
Specific Uses For Product	Seals, bonds, repairs, mends and secures glass, metal, plastics, fabric, vinyl, weather stripping and vinyl tops, Protects and repairs electrical wiring
Material	Silicone
Item Form	Tube
Special Feature	sensor-safe
Color	Black
Item Package Quantity	1
Package Information	Tube
Item Volume	3 Fluid Ounces
Viscosity	Medium
Full Cure Time	24 Hours
Water Resistance Level	Waterproof
Unit Count	3.0 Ounce
UPC	686226811585
Global Trade Identification Number	00686226811585
Manufacturer	Permatex
Item Weight	3.84 ounces
Product Dimensions	8 x 4 x 2 inches
Item model number	81158
Is Discontinued By Manufacturer	No
Exterior	Machined
Manufacturer Part Number	81158
OEM Part Number	PMT81158
Special Features	sensor-safe

Have a Question? See What Others Asked

How can i apply this ao it comes out neat

Can this be used to help seal a drainage hole in a resin planter I now want to use as a water feature?

Could I put this along the edges of convertible top? I don't want to glue the top on, just improve the seal where rain drips in.

Does this work for a crack in a car dashboard?

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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