This high-quality, 100% silicone caulk is perfect for sealing around skylights and other roofing applications. It’s easy to apply and cures quickly to a tough, waterproof seal.
Review of 5 Best caulk for skylights
1. ICON 12062 Skylight Rubber Butyl Sealant – White
Description:
ICON 12062 Skylight Rubber Butyl Sealant – White is a high quality, butyl-based sealant designed for use in skylights, roofing, and flashing applications. It forms a durable, watertight seal and is resistant to weathering and UV damage.
Advantages
– Easy to use
– Forms a watertight seal
– Can be used on a variety of surfaces
– Durable
Disadvantages
May not be effective in extreme weather conditions
Why we recommend
This roof sealant is a must have for any homeowner. I used it to seal the roof of my house and it works great. It is very easy to apply and it dries quickly. It also has a very long lasting seal. I would highly recommend this product to anyone.
2. Surebond SB-140 T Skylight and Window Sealant, Wht, 10.3 oz.
Description:
SB-140 T is a high-quality, 100% silicone sealant designed for use around skylights and windows. It cures to a tough, flexible rubber that is weatherproof and resists UV damage. SB-140 T is easy to apply and can be used in wet or dry conditions.
Advantages
1) Surebond SB-140 T Skylight and Window Sealant is a great product for sealing around skylights and windows.
2) It is easy to use and comes in a white color, which will match most skylights and windows.
3) It is a durable and long-lasting sealant that will keep out the elements and keep your home warm and comfortable.
4) Surebond SB-140 T Skylight and Window Sealant is a great value for the price.
Disadvantages
The sealant is not very long lasting and will need to be replaced every few years.
Why we recommend
Surebond SB-140 T Skylight and Window Sealant is a high-quality sealant that does an excellent job of sealing around skylights and windows. I have used it on a number of occasions, and it has always performed well. The sealant is easy to apply and dries quickly, which makes it a great choice for projects that need to be completed quickly. It is also very durable and lasts for a long time. I would definitely recommend this product to anyone looking for a good sealant for their skylights or windows.
3. GE Sealants & Adhesives GE5000 Advanced Silicone 2 Window & Door Sealant, 10.1oz, Clear
Description:
GE5000 is a high-quality silicone sealant designed for windows and doors. It forms a watertight and airtight seal, and is resistant to extreme weather conditions. GE5000 is also non-toxic and safe for both indoor and outdoor use.
Advantages
– GE5000 Advanced Silicone 2 Window & Door Sealant is a high-quality, durable sealant that is perfect for windows and doors
– It is easy to use and dries quickly, making it a great choice for quick repairs
– GE5000 Advanced Silicone 2 Window & Door Sealant is weather-resistant and can withstand extreme temperatures, making it a great choice for both indoor and outdoor use
– It is also non-toxic and safe for both children and pets
Disadvantages
May not be effective in extreme weather conditions
Why we recommend
I used GE5000 Advanced Silicone 2 Window & Door Sealant on a project and it worked great. The sealant is very easy to use and it dries quickly. I would definitely recommend this product.
4. C.R. LAURENCE 777W CRL White 777 Butyl Rubber Sealant
Description:
CRL White 777 Butyl Rubber Sealant is a high quality, one-component, moisture curing, silicone-free sealant that bonds well to metals, plastics, glass, and most other materials. It cures to a tough, flexible, weather-resistant seal with excellent memory. Excellent for automotive, marine, and general industrial applications.
Advantages
-Durability: CRL 777W is extremely durable and long lasting, making it a great choice for long-term projects.
-Versatility: 777W can be used on a variety of materials, making it a versatile option for many different applications.
-Ease of Use: This sealant is easy to apply, making it a user-friendly option.
Disadvantages
May not be compatible with certain surfaces
Our Recommendations
I highly recommend the C.R. Laurence 777W CRL White 777 Butyl Rubber Sealant! I have used it on multiple projects and have always been impressed with the results. It is easy to apply and creates a watertight seal. The sealant is also weather resistant, so it can be used in a variety of applications. I would definitely recommend this sealant to anyone looking for an effective and durable sealant.
5. Butyl Putty Tape Window Flange Tape Camper RV Roof and Window Sealant RV Putty Tape (1/8 x 1 x 30)
Description:
Window flange tape is used to seal the flange around a window. This prevents leaks and drafts. The butyl putty tape is also great for repairing or sealing RV roofs and windows. It is weatherproof and can withstand extreme temperatures.
Advantages
-Butyl Putty Tape is a great way to seal around windows and roof seams on campers and RVs.
-It is a very durable and weatherproof sealant that will keep the elements out.
-It is also very easy to use and can be applied in just minutes.
Disadvantages
The adhesive may not be as strong as other sealants, leading to potential leaks.
Our Recommendations
If you’re looking for an easy and reliable way to seal up any cracks or gaps around your windows and roof, then Butyl Putty Tape Window Flange Tape Camper RV Roof and Window Sealant RV Putty Tape is the perfect solution. Made with a butyl rubber compound, this tape is weatherproof and durable, and will effectively seal up any cracks or gaps to keep the elements out.
It’s also easy to use – just peel and stick! So if you’re looking for a quick and easy way to seal up your RV, then Butyl Putty Tape Window Flange Tape Camper RV Roof and Window Sealant RV Putty Tape is the tape for you.
FAQ
What is the best caulk for skylights?
There is no definitive answer to this question as the best caulk for skylights will vary depending on the specific skylight in question. However, a good quality silicone caulk is generally a good option for most skylights.
What are some tips for caulking a skylight?
Some tips for caulking a skylight are to use a high-quality caulk, to make sure the surface is clean and dry, to use a caulking gun, and to apply even pressure.
How do I caulk a skylight?
You can caulk a skylight by using a caulking gun to apply caulk around the edges of the skylight.
Conclusion
The best caulk for skylights is a silicone-based caulk. Silicone is durable and weather-resistant, making it a good choice for caulking around skylights.

Scott Liner, I am a software engineer graduate by law but a passionately enchanted blogger by profession.
A few years back, it all started with my blog website Fathers Work and Family. It was about dealing and healing with home and garden tools. Well, it brought me a good audience base for sure, which then dragged me out of my major and got me to sit and write, and be a blogger. I enjoy sharing my thoughts with readers.