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

Product ID: 1838590

Details

Brand
Permatex
Item Weight
3.2 ounces
Item dimensions L x W x H
8 x 4 x 2
Material
Silicone
Style
3 oz.

💧100% waterproof & flexible

🌡️-75°F to 450°F temp range

🛠️3 oz. precision tube

¥2144

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Seal it like a pro — don’t let your gear miss out on the ultimate bond!

ALL WEATHER ARMOR - Seals and bonds from freezing cold to scorching heat with unmatched flexibility.
TRUSTED BY EXPERTS - Top-rated sealant (#1 in Body Repair Adhesives) with nearly 12,000 glowing reviews backing its performance.
PRO GRADE PRECISION - 3 oz. tube designed for controlled application—perfect for detailed automotive and home fixes.
MULTI SURFACE MASTERY - Effortlessly adheres to glass, metal, plastic, fabric, vinyl, and more for versatile repairs.
VIBRATION WATER WARRIOR - Resists water, weather, grease, and vibration to keep your projects intact and flawless.

Permatex 81158 Black Silicone Adhesive Sealant is a professional-grade, sensor-safe RTV sealant in a convenient 3 oz. tube. It bonds and seals a wide range of materials including glass, metal, plastics, and vinyl, withstanding extreme temperatures from -75°F to 450°F. Waterproof, flexible, and vibration-resistant, it’s ideal for automotive, home, and outdoor repairs, trusted by thousands for durable, clean, and reliable sealing.

Specifications

ASIN	B000AL6WLA
Best Sellers Rank	#234 in Automotive ( See Top 100 in Automotive ) #1 in Body Repair & Restoration Adhesives
Brand Name	Permatex
Color	Black
Compatible Material	Fabric, Glass, Metal, Plastic, Vinyl
Customer Reviews	4.6 4.6 out of 5 stars (12,043)
Global Trade Identification Number	00686226811585
Included Components	Auto part, Automotive Accessories, Replacement and Performance parts
Item Dimensions	8 x 4 x 2 inches
Item Form	Tube
Item Type Name	Silicone Adhesive Sealant
Item Weight	3.2 ounces
Manufacturer	Permatex
Material Type	Silicone
Model	81158
Number of Items	1
Number of Packs	1
Part Number	81158
Style Name	3 oz.
Surface Recommendation	Miscellaneous
UPC	686226811585
Unit Count	3 Ounce
Warranty Description	Manufacturer Warranty
Water Resistance Level	Waterproof

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¥2144

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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