Informations

Why use our services ?

  • Many years of experience to serve you.
  • Professional advice
  • Let's you know the status of the building and any major problems
  • Answers any questions you might have after visiting the building.
  • Identifies major criteria for future building repairs.
  • Identifies if the building meets humidity, structural and thermic criteria.
  • Identifies priority work.
  • Gives recommendations on repairs.
  • Gives advices in order to maximise your investment in long term investment advice.
  • Gives you a better understanding of the building.
  • We are members of the Quebec Association of Home Inspectors.


Why choose an inspector member of the
AIBQ (Quebec Association of home Inspectors) ?


The building inspectors must meet multiple criteria to get their membership and keep it. These criteria are identified on the AIBQ site (http://www.aibq.qc.ca).:

To ensure the public's protection through the supervision of its members, by:

  • Applying strict requirements in the candidate application process
  • Successful completion of exams determining the technical knowledge in building components
  • Continuous mandatory annual training

There is on-going training where presentations are done by area specialists, such as heating, air conditioning, electrical, plumbing, foundations, and ventilation. These specialists come from the construction industry or from government agencies such as RBQ or CSHL, etc…

Specialized training given by area specialist during conventions held in Canada or the U.S.

And furthemore, members must follow a series of guidelines as established in the Professional code of ethics.

All members are under the control of the AIBQ comities. These comities insure the ongoing improvements of their members. These comities cover Inspections, Certifications, Training, Disciplinary and Code of Ethics.

Standards of Practice


Service Agreement



Appendix B


Typical problems

Please select from the menu on the left

Typical problems

Vermiculite

Health Canada advise Canadians that insulation made from vermiculite may contain asbestos specifically if the house was built before 1990. It is dangerous to touch or move asbestos products during repairs. But there is no danger if the insulation is inside walls, or underneath floors or in the attic as long as it is not in contact with the living space.

If the building has vermiculite or you suspect it does, it is highly recommend to have it analyzed for the presence of Asbestos.

Source : http://www.hc-sc.gc.ca/ahc-asc/media/advisories-avis/_2004/2004_14-fra.php

Typical problems

Asbestos

Asbestos is a generic name for multiple mineral fibers. They can be found in all kinds of rocks all over the world. These fibers are resistant, durable and fire resistant and were frequently used in construction products such as cement, ceiling panels, insulation. In most cases they are safe, but if you cut or damage these products, then they become hazardous to your health if you inhale these particles.

If you suspect that there is asbestos in the building, it is recommend to have an air analysis done.

For more information visit this site :


Source : http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/environ/asbestos-amiante-fra.php

Typical problems

Iron Ocre

Iron Ocre attacks drain pipes , it is either a chemical reaction or a biological reaction.

Chemical reaction:

Chemical reaction occurs when water mixes with iron from the ground and reacts with air producing Iron Hydroxide mud.



Biological:

When iron bacteria are present in water table, it reacts with air and produces gelatine like mud.

Either way, the result is the creation of a mud in the drainage pipe called Iron Ocre.

First symptoms of Iron Ocre

This problem is usually invisible to the naked eye. But it can cause serious problems.Owners must stay vigilant for these signs :




  • Red spots appearing on basement floors.
  • A very high level of humidity in the basement
  • Red mud appearing in the sump pump pit.

Correcting this problem

Depending on the existing building and its surroundings, some symptoms can be addressed but it may necessitate:

  • Changing the inclination of the surrounding grounds
  • Resealing the juncture between the concrete wall and the concrete slab
  • Installing cleaning vents
  • Drainage under the concrete slab
  • Installing a water barrier such as waterproof membrane
  • Elevating the concrete slab
  • Condeming the basement

Source : http://fissurestech.ca/ocre-ferreux-drain-francais.html

Typical problems

Pyrite

Note: Our laser equipment allows us to measure if any structure has been affected by abnormal movements of the building (based on our statistics). Since 1998 this problem has been greatly mediatised. Pyrite problems cause abnormal rising of concrete slabs.

Pyrite is found in some types of rocks that may have been used as filler underneath garages or houses. Under certain conditions a chemical reaction causes these rocks to inflate that may cause the slab to move, crack or concrete damage. Damages may even be seen on walls. This problem can occur 15, 20 or even up to 45 years after construction. These chemical reactions are very difficult to predict. Owners never know.

To find out if there is pyrite underneath the house or garage, there are 2 measurements:

First is to have a sample taken of the filler material and have it analysed. This analysis requires microscopic measurements. The second requires chemical analysis.

Even with theses analysis done, there are still no guarantees if the filler material will start to inflate since there are other factors that influence the chemical reaction.

Typical problems

Excessive Humidity

Humidity can be found in many areas of a building such as vapour in air or in materials in the form of liquids, frost or ice. There is a critical point for humidity levels depending of each material, and problems can vary or exists based on multiple factors such as outside temperature versus inside temperature, condensation, water infiltrations, water leaks, etc…

Humidity can have many sources such as: every day activity (like taking showers or a bath , using the washer and dryer, cooking, etc), wet basement, bad insulation, etc…

Water present in a building can be transformed into air vapour. If this moisture is excessive it can condense either on or in certain materials. If there is an excess amount of humidity or a lack of vapour barriers, then problems can occur such as mildew, mushrooms and even cause rotting of certain materials . All of these can cause air quality contamination and-or cause health issues to occupants.

Humidity is usually present in a building under theses different factors:

1-Relative moisture in the air :
This varies based on outside and Inside temperature.
It is measured with an hygrometer graduated between 0 and 100%
According to the Venmar corporation , relative humidity inside the building should follow the following scale based on outside temperature:

55% if more than 10 degrés C
45% if 0 degré C
35% if -10 degré C
30% if -20 degré C
15% if -30 degré C

Humidity levels can be controlled by an air exchanger, a dehumidifier, ventilator, or any other systems that allows some air exchange.

2- Dew Point

The dew point is the temperature at which humidity condenses. It varies based on outside temperature. The due point can be measure by a specialise device. Take as an example, the condensation on a window inside the building during winter. When the window temperature is below the Dew Point , the air vapour changes into a liquid form and water droplets appears on the surface of the window located inside the building. In this particular case, it is recommended not to block windows and keep rooms warm enough to avoid excess humidity that can cause mildew or even rotting of the window frames.

Condensation can appear in many areas of a building, especially if there is not sufficient quality of the windows and-or sufficient insulations, materials that are colder than the ambient air (water pipes coming into the house), air leakages where there is insufficient vapour barriers and excessive moisture inside the building. In most cases, multiple measurements must be taken to determine the exact cause of the excess humidity.

3-Materials' moisture

L'humidité des matériaux varie en fonction des conditions saisonnières, de la température, des conditions de la fondation et/ou des revêtements, de la proximité de l'eau dans le sol, etc. Il existe plusieurs façons de mesurer cette dernière, et le résultat est généralement exprimé en pourcentage. Les résultats varient en fonction des matériaux comme le bois, le plâtre, le gypse, le béton et autre. La précision des mesures dépend du type d'appareil utilisé. De plus, certains éléments physique, tel la présence d'aluminium dans un matériel ou la présence de membrane imperméable, peuvent entrer en interférence avec l'appareil et ainsi fausser les mesures.

De façon générale, plusieurs matériaux dont le bâtiment est composés réagissent lorsque soumis à de l'humidité. Prenons pas exemple les planchers de bois. Lors de période hivernale, l'humidité dans l'air est souvent plus basse c'est alors qu'on peut voir se créer des ouvertures dans le plancher. Celles-ci peuvent se refermer avec la hausse de l'humidité en été. Les autres éléments comme le gypse, le plâtre, le béton et les éléments de structures peuvent aussi réagir et créer des fissures ou ouvertures selon les saisons. Il existe des valeurs critiques connues pour déterminé si l'humidité est excessive et engendrer des problèmes sur le bâtiment et ses occupants. Notre inspection vous permet de vérifier si ces niveaux critiques sont présents et permettant ainsi d'émettre des hypothèses sur la source des problèmes.

Typical problems

Cracks

There are many types of cracks and some are more important than others. Our laser equipment measures the impact on the structure. Many types of repairs are available depending of the type of the crack you is the specialist called to do the repairs.

Other factors might affect the solidity of the building such as the foundation crumbling, water infiltrations, humidity levels, etc.

Here are pictures of different types of cracks:

Foundation


Corner crack: The crack started at the corner of the foundation and rise into the bricks


Crack on concrete block foundation and into the bricks


Crack located near ( at least than 24'') foundation corner


Crack below a window


Picture of a repaired crack


Crack


Fissure dans une dalle de béton ou de sous sol