Lime Wash Paint

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Author Message David G. Axt, CDT, CCS, CSI, SCIP Senior Member Username: david_axt Post Number: 2096 Registered: 03-2002 Posted on Friday, November 22, 2024 - 12:31 pm:    Has anyone specified lime wash paint? I have never even heard of such a product! Here is the product that my client wants me to specify: BauWerk Color: https://www.bauwerkcolour.com/en-us Any help would be greatly appreciated. David G. Axt, CDT, CCS, CSI, SCIP Specifications Consultant Axt Consulting LLC Margaret G. Chewning FCSI CCS Senior Member Username: presbspec Post Number: 368 Registered: 01-2003 Posted on Friday, November 22, 2024 - 01:10 pm:    It is a mineral paint that is often used in historic preservation, providing a good finish on masonry, yet allowing it to breathe. https://www.limeworks.us/ is a good resource for an alternate product. Loretta Sheridan Senior Member Username: leshrdn Post Number: 174 Registered: 11-2021 Posted on Monday, November 25, 2024 - 11:03 am:    Something that is VERY important with limewash, since it is for effect, is a mock-up. This is crucial for flat surfaces like interior gyp board walls. Not quite as crucial -- but definitely useful - for brick surfaces. Also, it shouldn't be rolled on. I am not sure whether this matters for brick or not, but DFEINITELY should NOT be rolled on flat surfaces like gyp board. Here is another company: https://jamesalexanderlimewash.com/ David G. Axt, CDT, CCS, CSI, SCIP Senior Member Username: david_axt Post Number: 2097 Registered: 03-2002 Posted on Monday, November 25, 2024 - 12:40 pm:    Loretta, The architect told me that lime wash paint would be used on interior gypsum board walls as a decorative finish. Why should this paint not be rolled on? David G. Axt, CDT, CCS, CSI, SCIP Specifications Consultant Axt Consulting LLC Loretta Sheridan Senior Member Username: leshrdn Post Number: 175 Registered: 11-2021 Posted on Monday, November 25, 2024 - 12:52 pm:    Because the effect is like a soft swooshy stroke look, and it is achieved with charging the brush to varying degrees (along with using a dry brush), and by alternating short strokes. You don't quite have the control in charging a roller to the same degree as you do a brush, plus, the roller would give you very LARGE swooshy strokes. If you are limewashing a LARGE wall, that might be the way to do it. Loretta Sheridan Senior Member Username: leshrdn Post Number: 176 Registered: 11-2021 Posted on Monday, November 25, 2024 - 12:54 pm:    Lisa J. Goodwin Robbins asked me to post this for her as her ability to post to 4specs.com is limited by their IT consultant: KEIM mineral paints. I'm seeing more interest in mineral paints on the exterior masonry, for breathability and durability, and on the interior, because it's not petroleum-based. Can't wait to hear how it turns out. ken hercenberg Senior Member Username: khercenberg Post Number: 1651 Registered: 12-2006 Posted on Monday, November 25, 2024 - 01:52 pm:    A really great masonry stain that offers a lot of variation is available from www.nawkaw.com. I spoke with them at Arc-US about another project that requires a similar finish. You can contact Russell at russell.gray@nawkaw.com Anne Kimpton Intermediate Member Username: anne_kimpton Post Number: 4 Registered: 05-2025 Posted on Wednesday, May 07, 2025 - 10:37 pm:    I did a bit of research on limewash for a renovation project of the Carnegie Library here in DC. The DC Apple store now occupies most of the building and the limewash on the historic masonry turned out beautifully. The BOD was the KEIM mineral paint. Happy to send a copy of what I wrote. email me at akimpton@hellerandmetzger.com Steven Bruneel, Retired Architect Senior Member Username: redseca2 Post Number: 736 Registered: 12-2006 Posted on Friday, May 09, 2025 - 06:51 pm:    Although as appears to be the case here, limewash is chosen purely for appearance sake, it is absolutely necessary in some old types of construction. In european traditional load-bearing masonry/stone construction, modern paints applied to the interior surfaces puts a vapor barriers where it should not be, leading to serious damp/mold/mildew issues. Limewash is permeable and will prevent problems.