Found 46 results for the keyword(s) ‘Mystery’

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    How do I prevent my light dimmer from humming?

    Sometimes the dimmer hums and sometimes the light itself hums. What is happening and how can it be stopped?Not too long ago we had light dimmers that were simple rheostats. These would lower the voltage going to an ordinary light bulb and it would dim. No problems. But because we have devel...
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    Strange white stuff around the patch on my concrete wall.

    Ed from Quesnel, B.C. had patched a leak in his concrete wall. It worked -- no more water. But now a strange white stuff has developed all around the patch. What is happening?Obviously he has succeeded in stopping the water from entering his basement, but he has not eliminated the presence ...
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    Why do shingles cup and curl long before their warranty date? And what is CSA certification?

    Click here for the BP Class Action Suit relating to failing organic based asphalt shingles. Asphalt shingles should be able to take a lot of heat and cold, over and over again. So why do some suddenly curl up, asks Craig from Point-Claire, Quebec?Cold climate shinglesProbably the first thing to u...
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    What causes metal studs to show through the drywall?

    Colour from the studs themselves is not really "bleeding" through the drywall, but it is the studs that are causing the problem.When metal studs are used in outside walls of a house, they conduct so much energy through the metal that the overall R-value of an R-19 wall drops to only R-10. When t...
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    How does an electric fireplace make the flame?

    We had to go to the Dimplex factory in Toronto to find out how they make a smoke-and-mirrors fireplace look really really like a real wood fire. It is quite amazing. The flames are a rotisserie of aluminum foil reflecting lights up and off a mirror.The bricks on the back of the fireplace are ac...
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    Which way should the ground plug go on electrical outlets?

    Revised November 2, 2004Should electrical outlets be installed with the ground pin up or down?There is a lot of debate and few regulations on this question.The first time I got asked this question, it came from Newfoundland. You can see my answer to that question by searching for ""Outlets"" in...
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    Smoke alarms: testing and aging

    Most smoke alarms operate by allowing the smoke to get between a light source and a light sensitive target. When the light gets dim, the alarm goes off. If a spider passes in front of the light, or spins his web in front of the light, he may just set off the alarm. Vacuum out your smoke alarms...
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    How do you paint "faux grain"?

    I was amazed how easy it is to paint in "faux grain" using this funny little rubber tool.You just apply the wood stain and then drag the tool along, rocking forward and backward to open and close grain lines. It is amazingly realistic and surprisingly easy.It is called a "ZAR Graining Tool".The ...
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    Pro: Drywall Nail Pops

    Most nail pops come from one of two basic causes: fiberglass holding the panel away from the stud, hence a gap between the stud and the panel; or shrinking wood.Assure contact between the panel and the stud at the moment the nail or screw is driven home and you avoid the first problem.The seco...
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    Electrical Tingling in the Plumbing!

    Here is a question and answer that you might find interesting."When we take a shower in the second bathroom of our house we bet a mild tingling when we touch the fixtures that the water comes out of. Our guest and family are really funny. They think that the tingling is because they feel inv...
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