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Found 4 results for the keyword ‘Lead’

  • Can I paint over lead based painted walls?

    Yes Wendy, just as you can paint over any other painted walls. You can paint with an oil based paint directly over the lead based paint (which will certainly be an oil based paint). If you want to use a latex over it, then you must first use a "super adherent primer", made by most of the paint ...
  • The basics of water purification and limitations of water filters.

    The microbiologist Dr. Phillip Stuart joined me to talk about residential water filtration systems. A couple of very important things came out.   Carbon filters, like the Brita and other counter-top or end of spout filters are only designed to use with treated water systems to remove bad tas...
  • Does your soldering job leak? Why is lead-free solder hard to work with? And new products to make life easier.

    They took the lead out... Several years ago, throughout North America lead was removed from the solder used for making joints in copper pipes intended for carrying drinking water, just as before that we had removed lead from paint. Lead based solder is still available in stores for other tasks, ...
  • How do you solder copper pipes?

    There are three key steps to making leak proof copper pipe joints.     Clean off both the inside of the elbow and the outside of the pipe with steel wool or a special cleaner tool.     Apply a soldering flux to both cleaned surfaces. The cleaning gets rid of contaminates and oxidation o...