Found 15 results for the keyword ‘Blocks’

  • Pro: Trouble Shooting Concrete Fasteners

    Fastening to concrete or masonry? We've got three problems: choosing the right fastener, choosing the right tool and then doing it right. Here is some product information and trouble shooting tips.Power Actuated nailingExplosive shot nailling is the most common but the weakest of the serious ...
  • 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...
  • How do you keep stains from showing through paint?

    Wendy wants to clean years of nicotine off of her walls and repaint.   GENERAL GRIME First, the best cleaner for any paint preparation is TSP, Tri-Sodium-Phosphate. There are now some more environmentally friendly "TSP Substitutes" available on the market as well. If no stain is left, use any ...
  • 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:  ...
  • "Sealants", caulking and other confusing vocabulary

    Sealants, caulking and other confusing vocabularyThere are all kinds of "sealants" used in construction.What we normally call a "caulking" is properly called a sealant -- a thick material that cures to a flexible solid designed to "seal" the space between two materials -- particularly two materia...
  • How do you sound proof a floor over another apartment?

    One of our viewers lives in an apartment over a noisy basement suite and wants to know what are their options to blocking the noise.Soundproofing is never a perfect thing and although each possible action can have an important effect, the sum of all the actions together can be less than you expec...
  • Weather Restrictions: Crystalline growth waterproofing products

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Concrete     Product: Crystalline growth waterproofing products Temperature Limitations: Use above +2 C (+35 F)  and below +21 C (+70 F) Rain Limitations: No rain until material is firm -- about 2 ...
  • How to strap a block wall for board and batten

    Rick from Grand Bend, Ontario writes: "I need advice on how to strap a block wall for board and batten. The wall is 10 ft. high, and I am wondering how many straps I will need?"Too few straps and the boards will warp, too many and you are wasting your energy and perhaps blocking ventilation behi...
  • All kinds of water flow problems.

    Several viewers are complaining about low water pressure in old houses. Old steel pipe tends to collect corrosion and calcium on the walls, enough to slowly choke off the flow of water. A look at the graphic shows what happens to water flow compared to a clean new 1/2 inch pipe. When it becomes r...
  • Weather Restrictions: Brick Mortar

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Masonry     Product: Brick Mortar Temperature Limitations: Use above + 5 C (+40 F) Rain Limitations: No standing water or wash out prior to setting Wind Limitations:  Protect mortar if wind will d...