Gary from Hamilton, Ontario writes :I know that brick veneer homes have vent holes in the lower rows to allow air to equalize the pressure and help keep water out. We have just bought a 50 year old solid brick (two layers of brick) house. I notice there are no vent holes and it doesn't appear t...
Sue in Ajax has seen enough home improvement TV shows to completely confuse her. When changing the siding and adding ridged foam insulation, should the house wrap go on first or last? She has seen it done both ways on TV.The answer is Yes! That's right, both ways work fine.The job of the h...
Yes, but maybe not good enough.Sheathing paper is designed to keep outside water and wind out of the walls but to let inside vapour breath out (like your skin does for your body). Over the years, manufacturers have made the traditional sheathing or building paper stronger, but at the same tim...
There are two systems that work well on the outside of the house and have, almost by accident, the effect of blocking almost all air movement through the wall. (Caulking is not one of them and should never be used on the outside of the house beyond what is necessary to prevent rain and snow ...
An incredible number of exterior insulation jobs are done wrong and do not follow the building codes requirements regarding the use of building paper. This can lead to immediate water problems inside the wall (rain penetration or condensation) or less evident long term decay.Building paper (m...
This article deals with a block wall above grade. For a below grade block wall see Basement Perimeter Drainage and Leaking Foundations.
Bryan is faced with a totally un-insulated cinder block wall with 1x2 strapping and a plaster covering. He is thinking about stripping it back to the block...
More and more people have domestic power washers, allowing them to quickly clean all kinds of things around the house. Of course one of the first things we want to use it for is to clean off the siding on the house. CAUTION -- you all know that you need to be careful not to damage wood or spra...
Do I need to place a vapour barrier against the brick wall, then insulation and then another vapour barrier over that? The wall does not leak and is fully underground. Barbara
THE VAPOUR BARRIER
The vapour barrier is more properly called a vapour retarder. It is designed to stop moisture in t...