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...
Air-change ventilation systems exist that take stale air out and bring fresh air in so as to not rely on cold air drafts for the entry of fresh air to the house. They are simply a box with two fans. In a few of the warm spots of Canada these are legitimate systems on their own. In most of Canada ...
Weather-stripping is used to seal air leaks at any opening in the house that moves -- doors, windows, and traps. If you need to be convinced of the necessity of doing a good job of weather-stripping, check out Air Barriers in the search tab above -- or look at your last heating bill.
Much of ...
Patio doors are actually very large windows and even when the weather-stripping and caulking is in good shape, they can create cold drafts in a room simply because there is so much cold glass that the air at the top begins to cool off, slides down along the glass getting cooler and cooler as it g...
Rick from New Brunswick is having problems with his wood stove backdrafting and he wants to know if it will help to box in the chimney on the outside of the house. Backdrafting or difficult starting with wood burning appliances is often a problem and there are several entries in this database ...
Caulking joints on the outside of the house will not save you energy and will not stop cold air drafts. That is because almost all sidings are vented specifically to allow the wind behind the siding to help keep the wall dry. If you do not have a modern sealed house-wrap all around your house und...
Shrink to fit winter windows are really great draft stoppers and energy savers for old windows and patio doors.
Plastic has almost no R-value
Since plastic and glass have no real R-value, the dead air space created between the plastic and the window is as good as can be created with another ...
Yes it happens -- but Why?
Two viewers have strange problems with their electrical outlets. One has had bright green oily ooze coming out of an electrical outlet on and off for the last two years. Changing the outlet didn't stop it. Another has green deposits at the outlet every time she uses he...
More and more people are asking for powerful kitchen range hoods or bathroom exhaust fans. The logic appears simple, increase the power of the exhaust fan and get rid of pollutants quicker. In more and more modern homes which have been weather-stripped and sealed against cold air leaks and heat l...
Slots are simply small passageways through something. In this segment we looked at three very nifty Slots -- all completely different.
THE INSULATED MAIL SLOT
How about a through the door mail slot that does not give you cold drafts?
The Draft Dodger has two gasketed and spring load...