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Found 42 results for the keyword ‘Mould’

  • Tracing the origins of mould in the house

    I receive a tremendous quantity of questions about mould, the housing sickness for the new century. First, it is important to understand, in nature, there are mould spores all around us and most of us are not bothered by or aware of them. It is massive accumulations of mould that can cause ...
  • Alternative mouldings and hidden lighting

    Floor mouldings and crown mouldings were originally all made out of heavy plaster or real wood. Then they were produced out of MDF or compressed sawdust. Now you can find them made out of plastics and drywall as well.ProFlex is a rubber like moulding that is the champion at following curves...
  • Water running down the basement walls.

    Carol from Smith Falls has a new home but has had water running down her basement walls from the beginning, and no one, not even her builder, seems to be able to figure out why. As well, the problem seems to get better and worse with time, but still wet. First of all you need to keep in mind tha...
  • The negative side of Microban, BioFresh & other "antimicrobials"

    I just received (October 2014) an alert from Healthy Building News about additives in many building products that are supposed to kill microbes and make the house healthier.  These things are called “Antimicrobials”.  A couple of the best known trade names are Microban and BioFresh.  Little disi...
  • I painted my bathroom and now I am getting mould!

    Anne painted her bathroom with latex paint and then started to get mould and mildew where she never had any before. She is wondering what she did wrong? Mould is caused by the prolonged presence of condensation. Condensation is caused by a combination of high humidity and low temperatures. If yo...
  • How do you prevent condensation in an exhaust duct?

    I hate to put exhaust ducts through roofs, because there will always be some condensation that could drip back inside. I would much rather go through a side wall, or down and out the side of the basement. But if you must go up and through the roof... Don't allow your ducting to have any loops in...
  • Rotting Wood on a Window

    Wooden window sashes tend to rot. There are special hardening and filler materials that can do a good job of restoring this wood without having to replace it -- also good for the bottom of door frames. A wood hardener is the starting point, to solidify existing soft wood and prepare the area for...
  • 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...
  • Insulating un-insulated outside wall corners

    Often in constructing a house, the sequence of putting up walls, applying outside sheathing and installing insulation batts can leave the outside corner as a hollow spot with no insulation. The carpentry work was done and the hollow corner closed and hidden before the guys with the fiberglass eve...
  • Hollow Bulkheads over bathtubs.

    Rodney from Hamilton Ontario asks "why is there a bulkhead over most bathtubs? Every home I remodel seems to have the ceiling above the tub furred down about one foot." First of all Rodney, bulkheads are not a requirement of any kind and as far as I know, never were. In fact, they are a very reg...