Ratings & Reviews for Sika NP1 10.1-oz Exterior and Specialty Aluminum gray Paintable Advanced Sealant Caulk
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this caulk for exceptional durability and long-term performance, with most reporting years or decades of reliable use without cracking or losing flexibility. Reviewers consistently highlight its superior sealing ability across demanding applications like roofing, windows, and masonry work, even in extreme weather including intense heat and freezing temperatures. Many appreciate its paintability and smooth application, though some note a strong odor lasting up to 24 hours and occasional workability challenges. A few report issues with product freshness or hardened tubes. Overall, most customers consider it a trusted, go-to solution they'll never replace.
Customer review summary generated by AI, including incentivized reviews.Good product
My son recommended this product. It worked as I was told.
From NP1 10.1-oz Exterior and Specialty Tan Paintable Advanced Sealant Caulk Verified Purchaser
Very thick and hard to clean up
Would RecommendGreat product.
From NP1 10.1-oz Exterior and Specialty Medium bronze Paintable Advanced Sealant Caulk Verified Purchaser
Be careful because it come off easy.
Very strong but some flexibility and not Silicone based. Great product for in & outside use. Very thick.
From NP1 10.1-oz Exterior and Specialty Black Paintable Advanced Sealant Caulk Verified Purchaser
Great product for metal roofs
Works great installing screw cap seals on metal roof
From NP1 10.1-oz Exterior and Specialty Tan Paintable Advanced Sealant Caulk Verified Purchaser
This stuff is great for a roof on an RV
Would RecommendThis stays pliable and flexible, which is important
From NP125 10.1-oz Paint and Trim Clear Paintable Advanced Sealant Caulk Verified Purchaser
The best
Would RecommendWorks great
From NP1 10.1-oz Exterior and Specialty Medium bronze Paintable Advanced Sealant Caulk Verified Purchaser
Great Stuff
This product is highly durable and a great sealant.
From NP125 10.1-oz Paint and Trim Clear Paintable Advanced Sealant Caulk Verified Purchaser
Excellent product
Would RecommendGreat had a leakt through window I used this and fixed it. Works great
From NP125 10.1-oz Paint and Trim Clear Paintable Advanced Sealant Caulk Verified Purchaser
Liquid nails
Would RecommendFirst time using this product. This product works just like caulk/liquid nails. Just cut the tip off and put it on the back of the board. The go ahead and press down and either nail or screw. Works great.
From NP1 10.1-oz Exterior and Specialty Tan Paintable Advanced Sealant Caulk Verified Purchaser
NP1 is the one.
Would RecommendNP1 is a trusted product with a history of reliability. When sealing between different materials it’s what’s needed. Be sure to read the labels to avoid problems
From NP1 10.1-oz Exterior and Specialty Medium bronze Paintable Advanced Sealant Caulk Verified Purchaser