Found 40 results for the keyword ‘Foundation’

  • Frost Protected Shallow Foundations -- and water pipes

    Frost Protected Shallow Foundations The foundation for a house is generally poured below the soil grade level so that the footing itself is well below the frost depth for any given region and soil type.  This protects the house from frost heaving caused by expanding soils beneath the foundation....
  • Weather Restrictions: Masonry based weather proofing coatings (parging)

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Masonry     Product: Masonry based weatherproofing coatings Temperature Limitations: Use above +7 C (+45 F) Rain Limitations: No rain until hardened -- about 8 hours Wind Limitations:  High wind c...
  • Air Spaces in Walls -- Myth and Science -- Overview

      Walls often have air spaces hidden somewhere between the siding on the outside and the drywall on the inside.  Some are accidental -- some on purpose, even code required -- some served a purpose at one time in history but because of the evolution of construction, are no longer useful -- some a...
  • Myths and misconceptions about concrete and water

    A comment from a reader:"I notice in your section on self leveling concrete that you mention about needing to let the water out before putting anything on top of the new compound. (Self Leveling Concrete) This is a common misconception about concrete, in fact the water does not leave, it becomes ...
  • Peeling paint on a foundation wall.

    Michele in Hamilton, Ontario needs to repaint her cinder block walls on the outside of the basement. But a close look at a photo that she sent us showed a lot of deep holes or pock marks in the blocks. Not only the paint was peeling off, but the block itself was breaking off.  This is a sign o...
  • Weather Restrictions: Elastomeric Liquid Waterproofing Coatings

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Concrete     Product: Elastomeric Liquid Waterproofing Coatings Temperature Limitations: Use above +10 C (+50 F)  and below +32 C (+90 F) Rain Limitations: No rain for 24 hours Wind Limitations:  ...
  • Basement Perimeter Drainage and Leaking Foundations

    This article deals with walls below grade, foundation walls.  For insulating above grade cinder block walls see How do you Insulate a Brick and Block construction as well as Insulating an Above Grade Block Wall from the Inside. The best way to prevent water from leaking into the basement is not ...
  • Weather Restrictions: Butyl Caulking / Sealant

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Sealants (Caulking)     Product: Butyl Calking / Sealant Temperature Limitations: Above -20 C (-4 F) but with product above +5 C (+40 F) to flow easily. Rain Limitations: Apply to a dry surface Wi...
  • Crystalline Growth Waterproofing Products

    Here is one water proofing material that approaches the field of Science Fiction -- but it is for real and it does work. Xypex High'n Dry is a not so commonly available brand name of what is generically referred to as Crystalline Growth waterproofing products. These are applied to a sound bare c...
  • Avoiding common errors with paving stones & Asphalt driveways

    It is frustrating when walkway or driveway paving stones heave with frost, or drop with erosion. If properly built, this doesn't happen. Actually what I have written here about paving stones applies to asphalt driveways as well.   A GOOD COMPACT SUBSTRATE IS ESSENTIAL IN A COLD CLIMATE You nee...