Periodically, MD Inspect Plus will send out an email newsletter.

Topics will vary from maintenance tasks you should perform around your house, details about different systems/components in your house and services offered by MD Inspect Plus.

My business is based on referrals, so if you have a friend, family member or co-worker thinking about buying a house, please pass along my information. Friends, family and co-workers can also sign up for this newsletter if you send them a copy using the Forward Email link at the bottom of the this newsletter.

Also if you could take a minute and provide a quick review (good or bad) which will help my ranking on website search engines. Go to Shopping In Montreal to submit a review - it's a 2 or 3 step process but only takes a few minutes.


Dan Janidlo PHPI, NCH
MD Inspect Plus Inc.
48 Valois Bay
Pointe-Claire, Quebec H9R 4B3

ATTIC VENTILATION - adding more is not always the right answer

There are 3 main reasons an attic space needs to be ventilated:
  • Prevents ice damming in the winter.
  • Reduces damage to the shingles.
  • Reduces cooling costs of the house in the summer time.
The basic rules for attic ventilation (except for cathedral roofs):
  • A minimum of 1 square foot (sq ft) of roof ventilation is required per 300 sq ft of attic space.
  • The venting must be distributed evenly between the lower (soffits) and upper (roof) vents.
  • If a Maximum vent is used (with is the standard in Quebec due to our winters), the only openings should be soffit vents and the Maximum.
  • If multiple Maximum vents are used on the same attic space, the same model needs to be used for all vents.
  • Nothing should be venting out of the soffits (it's in the Maximum installation instructions). The reason is if you are venting out your soffit, the hot humid air is going to be pulled back into the attic so you might as well just vent directly into the attic which is not supposed to be done.
Common problems:
  • Soffit vents are blocked. In many older homes, the soffits look OK however when the aluminum slotted soffits were installed, the plywood was not removed or cut enough to allow proper airflow.
  • In the attic, there is insulation stuffed in the soffit area blocking the air flow. The insulation should not touch the roof plywood.
  • There are too many unsealed holes in the ceiling. In older homes, there is no vapour barrier so by improving attic ventilation, more air loss can occur from the living space into the attic space.
  • Attic access hatch is poorly sealed and insulated.
  • Bathroom fan or kitchen range hoods ducts discharging into the attic.
How you know you have a problem:
  • In the winter time, you have large icicles on the roof edges (sometimes however this is can occur due to roof design even if you have good ventilation).
  • You have ice/frost on the plywood of the roof - visible from inside the attic.
  • Your top floor ceiling is very hot in the summer time.
  • In the winter time, the attic should be the same temperature as the outside. In the summer time, the attic space should be no more then 5-7 degrees warmer than the outside.
How do you fix the problem?
  • Seal all leaks on the upper floor (pot lights, attic hatch, around the bathroom fan, etc....)
  • Make sure the soffits aren't blocked in the attic with insulation or if you have the aluminum soffits that there is no plywood behind the slotted metal soffits.
  • Change the types of vents on the roof.
  • If you have Maximum vents, make sure they were installed following the manufacturer's instructions.
  • Adding more ventilation will not always resolve your problems - it could actually make it worse.
Not sure what to do, give MD Inspect Plus a call at 514-318-8067 or send us an email


In December 2010, MD Inspect Plus signed up for a email notification for recalls from the Canadian Government and over the last few month some unexpected recalls have occurred on items from reputable retailers (not just dollar store items).

Heath Canada maintains a database of all recalls and you can sign up to receive an email when a new recall is released. Go to Health Canada - Consumer Product Safety website to sign up. The emails contain only a brief description of the recall with a link to the full details so they don't take long to read.

You will be amazed at the things you will see on the list. Some of the most interesting recalls will be posted on the MD Inspect Plus' website.

Some of the more interesting recalls:

What's this?

What do you see in this picture?  Try to identify what you see. 
Hint: This one is poorly installed and water will leak into the house.