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'.

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.

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.

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.

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

Product ID: 278262686

Details

Brand
Permatex
Item dimensions L x W x H
20.3 x 10.2 x
Item weight
91 g
Material
Silicone
Style
3 oz.

💧100% Waterproof & weatherproof

🔧Multi-surface bonding power

🌡️Temp range -75°F to 450°F

¥2295

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Seal it like a pro, weatherproof your world!

ALL WEATHER WARRIOR - Withstands extreme temps from -75°F to 450°F, ready for any climate challenge.
SEAL BOND SECURE - One tube to mend glass, metal, vinyl, fabric, and more—your ultimate fix-it companion.
VERSATILE APPLICATION - Perfect for door frames, electrical connections, seams, roofs, and marine gear—never be caught unprepared.
SENSOR SAFE LOW ODOR - Professional-grade, safe for sensitive electronics and indoor use without the harsh smell.
VIBRATION RESISTANT FLEX - Flexible formula absorbs shocks and vibrations, keeping repairs intact and reliable.

Permatex 81158 Black Silicone Adhesive Sealant is a professional-grade, sensor-safe RTV sealant designed for indoor and outdoor use. It offers waterproof, flexible protection across a wide temperature range (-75°F to 450°F), bonding and sealing multiple surfaces including glass, metal, vinyl, and fabric. Ideal for automotive, marine, and household repairs, it resists water, weather, and vibration, ensuring durable, long-lasting fixes.

Specifications

ASIN	B000AL6WLA
Best Sellers Rank	#1,106 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5 in Hardware Sealers #10 in Silicone Sealers
Brand Name	Permatex
Color	Black
Compatible Material	Door frames, Housings and covers, Vinyl, Weather stripping, Windows, Windshields
Customer Reviews	4.5 4.5 out of 5 stars (11,812)
Global Trade Identification Number	00686226811585
Included Components	Auto part, Automotive Accessories, Replacement and Performance parts
Item Dimensions	20.3 x 10.2 x 5.1 centimeters
Item Form	Liquid
Item Type Name	Silicone Adhesive Sealant
Item Weight	91 g
Manufacturer	Permatex
Material Type	Silicone
Model	81158
Number of Items	1
Number of Packs	1
Part Number	81158
Style Name	3 oz.
Surface Recommendation	Fabric
UPC	686226811585
Unit Count	88.72 Milliliters
Warranty Description	Manufacturer Warranty
Water Resistance Level	Waterproof

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