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🧱 Elevate your restoration game with Otterbein’s natural hydraulic lime — where tradition meets tech!
Otterbein Natural Hydraulic Lime 3.5 is a 25 kg bag of historic, cement- and gypsum-free binder certified to EN 459-1. It offers high sulfate resistance, low-tension hardening, excellent water retention, and strong adhesion to stone, making it ideal for ecological building and historic restoration projects. This product prevents salt damage and ensures durable, flexible mortar with proven compression strength up to 10.5 N/mm² after 12 months.
| ASIN | B06VX4N7LF |
| Best Sellers Rank | #321,296 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #147 in Flooring Adhesives & Mortars |
| Brand | Otterbein |
| Brand Name | Otterbein |
| Color | Lime, Stone |
| Customer Reviews | 4.7 out of 5 stars 9 Reviews |
| Grade Rating | Industrial/Specialist |
| Item Dimensions | 26 x 6 x 16 inches |
| Item Form | Powder |
| Item Shape | Bag |
| Item dimensions L x W x H | 26 x 6 x 16 inches |
| Manufacturer | Otterbein |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | A2022109 |
| Shape | Bag |
| UPC | 705911484283 |
J**B
great for lime plaster
I used several different NHL3.5 hydraulic lime before and this is excellent provided one find good plaster sand! Somewhat expensive but free shipping so it is quite reasonable if one does not need large qualities. I wish that Otterbein premixed lime plaster would be also available in a similar fashion.
M**T
Good product, but please be sure you know what ...
Good product, but please be sure you know what you are getting and how to use it. We made a very nice historical mortar by mixing it 1:3 ratio with local masonry sand.
K**S
Easy to use and mix
This product was easy to use and is perfect for my historic sandstone.
T**X
Thank you for providing this product
Great product. After having gone to nearly every hardware store in my area and taking home two different products that were not the correct product to repoint an 1800s lime mortar structure, I finally found this and it worked excellent. I was very shocked at how close the color is. I mixed this 2 parts hydraulic lime to 5 parts sand. The water portion can vary depending on the type of sand. At one point with dry sand I used 1.5 parts water and another time only 1 part water. Anyone else have brick sizes of 8.5 inches and 8.25 inches? Not sure when this was built. I'd show pictures but I don't want you laughing at my newbie technique hahaha
Trustpilot
1 week ago
3 weeks ago