Seal the Deal! 🔒 Your go-to for flawless joints.
MasterSeal NP 1 is a high-performance aluminum gray sealant available in a convenient pack of 5 cartridges. Its one-component formula eliminates the need for mixing, while its impressive joint movement capability of ±35% ensures flexibility and durability. Designed for easy application without the need for primer on most materials, this sealant is perfect for both professional and DIY projects, providing a cost-effective solution for weather-tight joints.
E**I
Dewalt
Everything works as it should, used today for the first time. So far eso good.
S**L
Great product
My brick wall was separated from the main structure at my house and this sealed the deal and it keeping water out.
C**N
Great product and supplier
Timely delivery. Delivery driver ontime & professional
D**N
Hard to find in stores great product
Best stuff to use on roof and window repairs.
T**R
Works as expected.
The color was perfect for my needs.
M**P
Not a thing
The directions were not in English but we figured it out.Fixed a crake in out garage floor it worked good.
J**H
Great for cracks in cement driveway
Filled cracks that I used to put concrete it. The concrete deteriorates with expansion and contraction of concrete. The NP1 can handle the expansion and contraction so will last much longer.
D**I
Dried out
I ordered a half dozen NP-1 in white from a different vendor and this batch of five grey. The white had a smooth, creamy, easy to tool consistency. This batch of grey you could barely squeeze the handle on the caulk gun and dispensed the consistency of bumble gum on hot pavement, it wouldn’t tool evenly either. All 5 tubes of grey were the same way. I didn’t parse the date code because I had to make a minimum of it ‘work’….but relied heavily on the white to complete the job.
Trustpilot
2 weeks ago
2 months ago
