In this guide today, we are here with our in-depth review of the best exterior silicone sealant. There are plenty of choices with multiple websites and therefore difficult to choose the best one. We recommend to read the guide and choose the one that suits your need as we review products based on the various options, features, price, quality and many more . To avoid this dilemma, we recommend to read this guide and review. It gives you insider information on how to choose the best exterior silicone sealant for your needs and budget.
In this in-depth review guide, we will discuss about the best exterior silicone sealant.
Our Top Picks
The Best exterior silicone sealant
Gorilla Waterproof Caulk & Seal 100% Silicone Sealant, 10oz Cartridge, Clear (Pack of 1)
$9.84
in stock
6 new from $9.84
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- Waterproof sealant: This clear caulk seals out air, water, and moisture with 100% silicone as cured
- Speed meets strength: Caulk & Seal's silicone caulk is ready for water exposure in as little as 30 minutes
- All-purpose: Gorilla caulk works wherever the work is; Indoor and out, rain or shine after fully cured
- Gorilla tough: This clear silicone caulk is not only mold & mildew resistant, it won't yellow, shrink or crack over time
- Use on: Our sealant is perfect for windows, doors, stainless steel, fixtures, countertops, laminate, porcelain, sink, shower, tub/tile, granite, ceramic, gaps & cracks, painted surfaces, wood, vinyl, metal, aluminum, trim/siding, cables, glass, drywall, stone, marble, gutters, plumbing, and more
Henkel 908570 2.7 oz Tub Clear Silicone Waterproof Sealant, Single Tube
$9.83
in stock
11 new from $3.95
Amazon.com
as of June 27, 2025 5:13 am
Features
- Waterproof: Multipurpose clear silicone sealant creates a permanent waterproof, protective seal that is ideal for metal, glass, rubber, tile and porcelain
- Versatile Use: Aquarium Safe and ideal for sealing or repairing sinks, tubs, aquariums, plumbing fixtures, windows, weather stripping, and more
- Resilient: Permanently flexible bond does not crack, peel, or shrink and resists extreme temperatures and impact
- Strong Bond: Adheres to ABS, glass, ceramic, porcelain, wood, aluminum, stainless steel, cultured marble, fiberglass, granite, vinyl tile, some rubbers and plastics
- Professional: Dries clear for a clean, professional finish; tack free in 2 hours and fully cures in 24 hours
Red Devil 0795 StormGuard 920 100% RTV Silicone Window and Door Sealant, A Water-Resistant Adhesive for Interior and Exterior Use, 2.8 oz. Tube, Clear, 1-Pack
$13.59
in stock
3 new from $11.77
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- WEATHER-RESISTANT SEALANT: The one-part, neutral cure, 100% RTV silicone sealant is specially formulated for weather-resistant external window & door applications such as skylights, aluminum siding, trim, gutters, vents, and pipes
- EXCELLENT ADHESION TO VARIOUS SURFACES: This 100% Silicone Sealant can be used on a variety of indoor and outdoor surfaces and adheres to metals, painted and unpainted wood, glass, plaster/drywall, brick, plastic, and vinyl
- WILL NOT CRACK, SHRINK OR PEEL: With its Superior Flexibility, the multi-purpose sealant will withstand the elements and won't crack, peel or shrink for a dependable seal that lasts for years
- LOW ODOR FORMULA: The advanced formula sealant is VOC compliant and boasts a low odor, and is USDA Recognized, ideal for use in enclosed spaces like bathrooms
- FOR BEST RESULTS: Before applying the sealant, remove any old caulk, debris, or other residues that might interfere with adhesion and make sure the architectural grade RTV Sealant is used on clean, dry surfaces for best results
Gorilla Waterproof Caulk & Seal100% Silicone Sealant, 2.8oz Squeeze Tube, Clear (Pack of 1)
$6.34 in stock
26 new from $6.22
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- Waterproof sealant: This clear caulk seals out air, water, and moisture with 100% silicone as cured
- Speed meets strength: Caulk & Seal's silicone caulk is ready for water exposure in as little as 30 minutes
- All-purpose: Gorilla caulk works wherever the work is; Indoor and out, rain or shine after fully cured
- Gorilla tough: This clear silicone caulk is not only mold & mildew resistant, it won't yellow, shrink or crack over time
- Use on: Our sealant is perfect for windows, doors, stainless steel, fixtures, countertops, laminate, porcelain, sink, shower, tub/tile, granite, ceramic, gaps & cracks, painted surfaces, wood, vinyl, metal, aluminum, trim/siding, cables, glass, drywall, stone, marble, gutters, plumbing, and more
Gorilla Waterproof Caulk & Seal100% Silicone Sealant, 2.8oz Squeeze Tube, Clear (Pack of 2)
$12.68 in stock
10 new from $12.68
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- Waterproof sealant: This clear caulk seals out air, water, and moisture with 100% silicone as cured
- Speed meets strength: Caulk & Seal's silicone caulk is ready for water exposure in as little as 30 minutes
- All-purpose: Gorilla caulk works wherever the work is; Indoor and out, rain or shine after fully cured
- Gorilla tough: This clear silicone caulk is not only mold & mildew resistant, it won't yellow, shrink or crack over time
- Use on: Our sealant is perfect for windows, doors, stainless steel, fixtures, countertops, laminate, porcelain, sink, shower, tub/tile, granite, ceramic, gaps & cracks, painted surfaces, wood, vinyl, metal, aluminum, trim/siding, cables, glass, drywall, stone, marble, gutters, plumbing, and more
GE Sealants & Adhesives GE5000 Advanced Silicone 2 Window & Door Sealant Clear, 10.1oz, 10 Fl Oz
$15.26
in stock
6 new from $12.91
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- 100% Waterproof and Weatherproof: 100% silicone formula offers protection against water damage, providing a reliable seal in areas prone to harsh weather
- 10-Year Mold-Free Product Protection: Cured sealant is resistant to stain-causing mold and mildew growth
- Permanently Flexible with Strong Adhesion: Sealant offers 40% more flexibility than Class 25 sealants and 7X stronger adhesion than our Silicone 1* sealant
- Durable: Rain-ready in as little as 30 minutes, and resistant to shrinking and cracking due to temperature fluctuations
- Compatible with Most Materials: Adheres to most metals and woods; aluminum, composites, brick, stone, stucco, masonry, cement board, glass, drywall, ceramic and porcelain tile; and more
Dap 18304 12 Pack 10.1-Ounce Dynaflex 230 Premium Indoor/Outdoor Sealant, Clear
$46.48
in stock
31 new from $46.48
1 used from $46.02
1 used from $46.02
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- Silicone Tough
- Superior Flexibility and Crack Proof
- Seals Joints up to 1 Inch Wide
- Paintable and Water Clean-Up
Gorilla Waterproof Caulk & Seal 100% Silicone Sealant, 10oz Cartridge, White (Pack of 1)
$9.16
in stock
22 new from $9.10
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- Speed meets strength: Caulk & Seal's silicone caulk is ready for water exposure in as little as 30 minutes
- All-purpose: Gorilla caulk works wherever the work is; Indoor and out, rain or shine after fully cured
- Waterproof sealant: This white caulk seals out air, water, and moisture with 100% silicone as cured
- Gorilla tough: This white silicone caulk is not only mold & mildew resistant, it won't yellow, shrink or crack over time
Permatex 80050 Clear RTV Silicone Adhesive Sealant, 3 oz
$5.84 in stock
38 new from $4.96
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- Professional Formula - This Clear Silicone Adhesive Sealant is a Sensor-Safe, General Purpose Clear RTV Sealant that can be used inside or outside for all your jobs
- Do It All- Seal, Bond, Repair, Mend And Secure Glass, Metal, Plastics, Fabric, Vinyl, Weather Stripping, Vinyl Tops, And More With This Clear Rtv Silicone Sealant
- Resist The Elements- Permatex Clear Silicone Adhesive Sealant Is Waterproof And Flexible, Resists Water, Weather, And Vibration On All Your Applications
- Multipurpose Formula- With A Temperature Range From : -75°f To 400°f (-59°c To 204°c) Clear RTV Silicone Can Be Used All Around And Can Be Used To Protect And Repair Electrical Wiring
- Suggested Applications- Door Frames, Seams And Roofs, Vinyl Tops, Windshields, Housings And Coverings, (Not Recommended For Engine Gasket Applications)
3M Marine Grade Silicone Sealant, 08019, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, Moisture Curing, Clear, 3 fl oz Tube
$15.33
in stock
24 new from $15.33
Free shipping
Amazon.com
as of June 27, 2025 5:13 am
Features
- DEVELOPED SPECIFICALLY AS A MARINE SEALANT – Stays tough and flexible for a wide range of uses above the waterline
- VERY VERSATILE – Works on bare and painted metal, glass, paint, fiberglass, non-oily woods, many plastics and abraded rubbers
- EASY TO USE – Applies right from the container and requires no mixing. Curing in as little as 24 hours so you can get back out on the water faster
- HELPS KEEP WATERCRAFT LOOKING SHARP – Won’t turn yellow over time
- DESIGNED TO ENDURE MARINE ENVIRONMENTS - 3M Marine Grade Silicone Sealant is a part of a broad range of adhesive sealants uniquely formulated for the marine market. Designed for reliable sealing performance in harsh marine environments.
The Video Review of Best exterior silicone sealant
Final thoughts
Our best overall exterior silicone sealant, the Perception and the reviews helps assist to choose you the product better. We hope our reviews buyer guide of these exterior silicone sealant will help you pick the perfect exterior silicone sealant for you and your buying decision making.