Found 19 results for the keyword ‘Polyurethane’

  • Insulating a Cathedral Ceiling - OVERVIEW

    Hello Jon, I have a cathedral ceiling with a shingled roof. If I insulate the roof air tight, will the shingles lift and curl as they do on poorly ventilated roofs? The other thought is leaving an 1 1/2 inch space between the roof deck and the insulation  and installing a ridge vent, which give...
  • Getting a wobbly toilet to sit flat on the floor

    If you have a wobbly toilet because there is something uneven on the floor the ideal solution is to find a way to level the floor. If it is wood, you could shave it down to flat. If the problem is tiles, you could remove the tiles under the toilet. But often in real life, we don't want to do e...
  • Weather Restrictions: Polyurethane Construction Adhesive

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Adhesives     Product: Polyurethane Construction Adhesive Temperature Limitations: Above +5 C (+40 F) and below +30 C (+86 F) Rain Limitations: No rain for 1 hour Wind Limitations:  n/a Humidity ...
  • Solving Ice Dam problems.

    Ice Dams are a serious problem throughout Canada, although it varies from year to year as to which region gets hit. Here we visited one of the solution companies who work to seal up the primary cause of ice dams, the warm air leaks into the attic. For more background on the problem check out th...
  • What glue will stick to what?

    Glue or Adhesive? What is the difference between a glue and an adhesive? Only vocabulary, although often Glue is the term used for DIYers and Adhesive for professionals -- or for some Glue is liquid and Adhesive is gunned from a tube with a caulking gun or applied with a notched trowel.  Whether...
  • Fixing small cracks in a foundation wall.

    Randy in Winnipeg has found small cracks in a foundation wall and wants to know how to fix them. Right up front I want to make the statement that it is often not worth the bother to fix a small crack in a foundation wall that is not moving -- especially if no water is coming in.  The best way to...
  • An alternative to ducting through the attic in a cold climate.

      In my experience, heating ducts that run through attics cause serious problems in snow country. Don't let a contractor talk you into it. In warm climates it is common practice to run heating and air conditioning ducting through attic spaces simply because it is easy to do. Unfortunately this ...
  • 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...
  • Should I open the roof to fix the soffits?

    Gerry is reshingling an open beam low sloped roof that has always given him problems with ice dams. He wants to know if it is worth it to tear up the first four feet, install air sheets and replace the boards? Actually it is a great idea to perfect the over-the-wall section of the roof space any...
  • What are "injection" repairs for concrete wall cracks?

    Gordon from Montreal writes: I want to seal a crack in my foundation myself using an injection system. I hear there are two types of injection materials and can I do it myself?-------- ReplyYou are right Gordon, the two primary materials used for injection into concrete wall cracks are epoxy and ...