Found 21 results for the keyword(s) ‘Dust’

• Article

  Advanced filtration systems -- portable and installed

  Many people would like to filter the air in their houses in an effort to improve indoor air quality. The most efficient of the furnace filter systems, when it is kept clean, is the electronic air cleaner. As you can see in the first photo, it is a large unit that is installed directly in the fur...
• Learning Curve

  Ghosting-Dust Marks

  In some houses there are strange dark marks that seem to follow cathedral ceiling joists, or even wall studs. Paint as you like and they keep coming back. You need to know what causes these marks if you want to eliminate them.
• Article

  Mysterious dark permenant stains on carpets.

  When air flows through the edges of carpets, the carpet acts as a filter and collects whatever is in the air. Hence we often find dirt streaks around heating outlets where some of the air sneaks under the grill and through the rug. Often, streaks are found near baseboards where household air flo...
• Article

  Do I clean my Ducts or Not? -- an overview

  The only research done that I have found on duct cleaning, outside of the duct cleaning companies themselves, has been by the Canada Mortgage and Housing Corporation -- EFFICIENCY OF RESIDENTIAL DUCT CLEANING -- CMHC Project No. : 93-2-001 January 1994.  Basically they found that when the ducts ...
• Article

  Temporary Tools - Dust - Paint - Nailing

    DUST PROTECTION - TEMPORARY DOOR OR ARCH CLOSURE Often when we are working on home improvements, we need temporary fixes. One that many of us use is that plastic shrinkable window cover for stopping winter drafts.   One plastic covering that is less well known is a construction doorway.  Th...
• Article

  What are the options in furnace air filters?

  A minimum filter is designed to protect the furnace fan from large dust balls -- not to protect your health.   ONE INCH FILTERS You can start upgrading from there. One of the best of the 1 inch filters is called Filtrete from 3M. It's an electrostatic filter that becomes charged as the air pas...
• Article

  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 ...
• Learning Curve

  The Running Cut

  When working with wood we often distinguish between rip cuts (with the grain) and cross cuts (across the grain), and certainly these distinctions are also important when sawing with an oscillating tool, particularly in the tendency for all tools to burn during rip cuts in hardwood.   The term Ru...
• Article

  Living with Dust

  (This entry was originally submitted as an article to Chatelaine Magazine. The heavily edited version which appeared in September 2008 was a fine little article, but missed some critical points like exhausting central vacs outdoors, not making the critical distinction between the bad ozone air c...
• Article

  Overview: Finishing Hardwood Floors

  I get a lot of questions about choosing and applying a finish to a hardwood floor.First understand that there is no one right answer -- there are a lot of products that each has certain advantages over the others and you need to select the properties that are the most important to you. There are...