Found 21 results for the keyword ‘Seals’

  • Ductwork that moves air best

      The best way for air to move through a duct is to have a straight duct with a smooth inside wall and a round form will have the smallest surface area to cause the air to slow down. That straight smooth round duct is what is considered the benchmark for good ducting. Everything else is measure...
  • Where to find WEATHER-STRIPPING that will fit your window/door?

    Weather-stripping is used to seal air leaks at any opening in the house that moves -- doors, windows, and traps. If you need to be convinced of the necessity of doing a good job of weather-stripping, check out Air Barriers in the search tab above -- or look at your last heating bill.   Much of ...
  • WHICH CAULKING SHOULD I USE?

    -- Oil base, resin base and polyvinyl acetate caulking do not hold up. There are far too many better caulkings available to waste time and money with these old formulations.-- Latex based caulking is inexpensive, can be painted and has medium durability. It is acceptable for baseboards and caul...
  • Heating Ducts in the Attic & Ice on the roof!

    Ray from Woodstock, Ontario writes:For 20 years we had no ice problems on the roof. Heating was radiant heating in the ceiling. Then we installed a forced air furnace. The contractor ran all the ducts through the attic and we have had terrible ice dams ever since. The contractor refused to...
  • Stopping flies and gasses from coming out of my basement floor drain with Dranjer!

    I have had several letters recently about bad smells and even flies coming up out of basement floor drains and sump pump pits. One viewer was quoted hundreds of dollars to break up the entire basement and replace all the sewer lines. The real problem is usually that the trap under the floor has ...
  • What is wrong with my gurgling double sink? The Vent Valve

    David writes that he recently installed a double sink but it gurgles and backs up. It is 10 feet away from the plumbing stack and goes through a garbarator. What did he do wrong?     When you attach a large double sink on a long horizontal run, the drain pipe will tend to fill up with water ...
  • Weather Restrictions: Thermoplastic Caulking / Sealant

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Sealants (Caulking)     Product: Thermoplastic Caulking / Sealant Temperature Limitations: Above -30 C (-22 F) and below +40 C (104 F) -- keep product above +5 C (+40 F) Rain Limitations: Dry befor...
  • Insulating an above grade block wall from the inside

    This article deals with a block wall above grade.  For a below grade block wall see Basement Perimeter Drainage and Leaking Foundations.   Bryan is faced with a totally un-insulated cinder block wall with 1x2 strapping and a plaster covering.  He is thinking about stripping it back to the block...
  • Can I insulate my electric in-the-floor heater?

    Debbie from North Bay, Ontario has electric heaters sunk right into her floor. Very few people even know that these things exist, but if you have a baseboard heated house you know how hard it is to get heat in front of a patio door or some other place that needs heat but there seems no way to ge...
  • DIY -- Removing condensation from inside a thermal pane window.

    When condensation shows up inside a thermal pane double window (between the two pieces of glass), you know that the seals around the edge have been compromised, allowing moisture to get inside. These cannot really be re-sealed so the standard response to this problem is to replace the glass unit...