SKU: 33233113806

Sonneborn MasterSeal NP1 121.2-oz Limestone Paintable Polyurethane Window and Door Caulk

$12.59 $13.99
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

Sonneborn MasterSeal NP1 121.2-oz Limestone Paintable Polyurethane Window and Door CaulkMasterSeal NP 1 is a one component, high performance, non priming, gun grade, elastomeric polyurethane sealant. It requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry. Recommended uses: Interior and exterior Above and below grade Immersed in water Expansion joints Panel walls Precast units Aluminum and wood window frames Roofing Fascia Parapets Vinyl siding Store front assemblies What are the

MasterSeal NP 1 is a one-component, high performance, non-priming, gun-grade, elastomeric polyurethane sealant. It requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry.

Recommended uses:

Interior and exterior
Above and below grade
Immersed in water
Expansion joints
Panel walls
Precast units
Aluminum and wood window frames
Roofing
Fascia
Parapets
Vinyl siding
Store front assemblies

What are the unique features of MasterSeal NP 1?
Available in ProPaks, reducing jobsite waste, lowering disposal costs
12 standard colors to match a wide variety of common substrates
Wide temperature application range makes MasterSeal NP 1 suitable for all climates
UL listed; Passes 4–hour, 4–inch, fire and hose stream test when used with Ultra Block or mineral wool
Suitable for water immersion with documented performance in wet areas
Meets VOC requirements in all 50 states

What are the benefits of MasterSeal NP 1?
One-component formula requires no mixing, helping to reduce labor costs
Joint movement capability ±35% provides excellent flexibility for keeping moving joints weathertight
Easy to gun and tool, speeding up application and making neater joints
No primer required for most construction materials lowering installation costs
Weather resistant for long-lasting weather tight seals
Compatible with non-rigid coatings and can be painted
Superior holding power for long-lasting roof tile installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 33233113806

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4.5 ★★★★★
Based on 1277 reviews
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Product Reviews
A
Verified Purchase
azar musayev
Alexandria, US
★★★★★ 5
Pretty good, recommend
Size: 16 Ounce (Pack of 1), Size: 16 Ounce (Pack of 1)
These are some photos and this Morton salt for size comparison. It’s pretty big. It has a spoon inside which is pretty useful. Ok so I really like this matcha. Its culinary grade and it tastes pretty good. I use it for my daily matcha latte. Its not bitter and actually slightly sweet-ish, but it has no additives so its nice. It does get a little clumpy when I stir it, I wish I had a matcha whisk, I just use a spoon.
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Reviewed in the United States on November 6, 2025
A
Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 4
Worth the money
Size: 16 Ounce (Pack of 1)
I'm inexperienced with matcha... Just wanted to order some good matcha, only to discover all of these obscure classifications and prices varrying wildly. Before this brand, I ordered ceremonial and also "culinary cafe" from the jade brand. Couldn't really taste a significant difference, so I didn't sweat purchasing this. There is a difference with this: the higher quality matchas did foam more when mixing and had slightly thicker consistency, and tasted a bit less grassy. This brand actually tastes fantastic, if you don't mind a very subtle grassy but sweet flavor. The savory sweet flavor dominates in a good way; grassy is very much still nothing more than an afterthought. But - and a very significant but - it hardly foams after mixing. So, the viscosity of the liquid when mixed, although enjoyable, leaves something to be desired. That said, like a good salesman the seller points out that this mathca is unusual because of its concentration on being organic, even at the expense of whatever desirable flavor profile could be contributed by pesticides, lead, radiation etc. Perhaps this is an exaggeration... Nevertheless I take comfort in their emphasis on safety anyway. It's definitely more affordable, being around $1 an ounce. Thanks for keeping other matcha brands honest... So I recommend the value absolutely. But it you want the best of the best, I just don't know enough to give you a good answer.
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Reviewed in the United States on March 30, 2023
K
Verified Purchase
Kevin M. Frad
Whiting, US
★★★★★ 5
Micro Ingredients Organic Matcha makes a good anytime tea.
Size: 32 Ounce (Pack of 1)
Micro Ingredients Organic Matcha Green Tea Powder delivers exactly what it promises: a clean, earthy, first-harvest matcha that balances approachability with authenticity. It’s a versatile and surprisingly smooth everyday matcha. The flavor leans toward earthy, grassy, and mildly nutty, with a gentle bitterness that feels natural rather than harsh.
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Reviewed in the United States on April 3, 2026
R
Verified Purchase
Robert haney
Charlottesville, US
★★★★★ 5
Great. Just as good as fancy stuff But dose not pair with peppermint.
Size: 16 Ounce (Pack of 1)
If you're making Macha lattes or mixing the match with anything, this is perfect! No need to buy the expensive ceremonial level stuff unless you're drinking ONLY Macha. This is honestly perfect for everything. Mix 2 of its provided spoonfuls with 1/2 cup of kettle hot water and stir, maybe even add more matcha until a bit thick, pour over a glass full of ice (should fill half the glass if full of ice) as the last half as milk with a pump of your favorite syrup. Mine is strawberry, my gf's is Vanilla. Peppermint was not good, though fyi.
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Reviewed in the United States on June 1, 2026
R
Verified Purchase
Ronald DiMaggio
Waukegan, US
★★★★★ 4
Makes It Green; Doesn't Taste as Clean
Size: 16 Ounce (Pack of 1)
It is matcha. It makes things green. For all intents and purposes, this is enough for the typical matcha user. For those with a bit of an upturned nose to anything that's "inferior" to matcha, then this is not for you. By taste, this product is not as good on the tastebuds as, say, Jade Leaf. It doesn't do matcha justice and, in my opinion, does not mix that well when making lattes. In terms of color, this one is also paling in comparison when by itself, but when added to other things as a flavoring agent or colorant, then it does the job as well as it can. I am not saying this matcha is bad at all. I think if it comes down to drinking, save your money and get some Jade Leaf or equivalent ceremonial grade matcha. You WILL taste the difference. Now if you're going to be making a lot of baked goods or cooked goods? This wouldn't be that bad—you don't want an overbearing matcha taste anyway and the shade of green this produces is not THAT bad.
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Reviewed in the United States on October 19, 2025

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