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Found 48 results for the keyword(s) ‘Frost Heaving’

• Article

  Overview: Soil and the Spring Thaw

  You have all seen highway signs indicating the period of spring thaw and reduced truck loads throughout the northern US and all of Canada -- or walked across grass that is just beginning to thaw from the winter making deep footprints or tire marks that would never sink like that during a stro...
• Article

  Different thermal pane window spacers

  Peggy is moving from Calgary to Vancouver and in her new province she says she can't locate the SuperSpacer windows that she loved in Calgary. That brings up the whole question of what are different window spacers, and why some are available in some areas of the country and not others.Thermal pa...
• Article

  Trench Drains in a driveway

  When a driveway slopes down into the house, you need to intercept any and all water flow and carry it away before it gets to the garage. If you don't do this, you will find the concrete pad in the driveway getting into moisture and frost problems, the door freezing to the floor, and the like.You...
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  Why do I have frost on the inside front door casing of a new door?

  Kevin from frosty Regina, Saskatchewan writes: "I had a new steel door installed this summer. When the temperature outside drops below -15 c, frost develops on the bottom of the interior casing. Is this due to a lack of insulation behind the casing? Also the bottom of the exterior threshold a...
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  Mysterious tracks in an attic.

  Dennis in Calgary, Alberta convinced me to come visit his attic which he was about to add ventilation to, but he had never been up in the attic.This was a very interesting attic, and an interesting home. The cellulose insulation was matted down a bit and had a very strange grid pattern in the to...
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  Frost on the closet ceiling.

  Martin from Moncton, New Brunswick has frost forming on the ceiling of a closet in an unheated bedroom.First, you need to realise that heated or not heated, that bedroom has just as much moisture in it as the rest of the house, perhaps more because moisture tends to migrate from warm to cold area...
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  Why is my skylight full of frost?

  Skylights in a cold climate always cause problems trying to get insulation on the portion of the skylight frame that is above the roof. The more insulation you design into the frame, the smaller the light opening in proportion to the size of the skylight itself, simply because the frame that the...
• Article

  HOW CAN I STOP FROST HEAVING FROM MOVING WING WALLS AND POSTS?

  Wing walls, posts, and concrete steps are common candidates for ad-freezing, even if they go below the frost line. They usually do not have proper granular back-fill around them, they have no weeping tiles under them, and they receive little or no heat from the basement. They are overlooked...
• Article

  WHAT FACTORS CAN MAKE BASEMENT PROBLEMS WORSE?

  Any of the following five factors can make matters worse:-- Thermally conductive soils: Dense soils that hold water fairly well, in contact with the basement wall are asking for trouble. Clay soils are even worse in that they allow migration upward of water through capillary action, the prim...
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  WHAT ARE THE PRESSURES THAT CAN DAMAGE MY BASEMENT WALL?

  A basement is subject to three strong pressures.Settling is caused by the weight of the house pushing down on the footings and further compacting the soil underneath. This causes no great problem if everything settles together. However, settling can cause foundation and upper wall cracks whe...