The good stuff is very expensive.  I would try galvanization paint.  Test it on 
a cardboard box first.  

Zinc arc spray is great but takes a machine to do.  

Aluminum foil and spray glue.  

Best Regards,
Chuck McCown

McCown Technology Corporation 
8401 N Commerce Dr
Lake Point, Utah 84074
801-250-9503 Office
435-830-4306 Cell
www.mccowntech.com
www.microtrench.pro
www.terabitnetworks.com

From: Steve Jones 
Sent: Wednesday, January 8, 2025 9:54 AM
To: AnimalFarm Microwave Users Group 
Subject: [AFMUG] RF filtering paint

So, for a project to block cellular signal in some rooms I started looking for 
a paint that will filter/ block, faraday paint if you will. We want to force 
all cellular users to move over to wifi calling in the locations for a wifi 
marketing product demo 

It quickly becomes apparent that gets into the batshit pool of crazy with EMF 
blockers, etc

Is there a brand/product for this purpose that works well? Paint is always an 
option, copper mesh is not


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