Category: Article

Wind loads are the enemy of air barriers – whether air barrier only or air/vapour barrier – wind can displace loose attached membranes resulting in the loss of continuity and function.  Occupant comfort and thermal and energy efficiencies are mitigated by the reduction of the number of air changes per...

I send this information, because I am ultra concerned that the entire project be completed to the highest standards possible and that The Owner receives full value for their money spent. For my part, I am ultra concerned that the building envelope of the project – existing building and the...

The amount and type of reinforcement in a roof system will provide much information about the performance and service life of a roof system. The number of plies or layers in a roof system will provide much information about the performance and service life of a roof system. The quality,...

There is an old expression – “if you don’t know where you are going – any road will get you there”. I am going to modify that expression to suit our roof system conversation to - “If you don’t know what kind of roof system that you need, any roof...

A couple of thoughts – to your point, either of the two options will provide a suitable roofing solution for this building. There are complicating factors – the details as it were - most prominent of which will be the weather and temperature conditions at the time of installation. Every...

As part of my continuing presentation of information for roofing and building envelope projects in general. This email is concerned with flat roofing which I started to discuss in an earlier email with specific emphasis on the roofing contractors who install the roofing systems. Prequalification of Roofing Contractors Any business...

All factors that can possibly be integrated into the design, implementation and final outcome for a long term, high quality waterproofing system must be considered. Waterproofing system design must be carefully and thoughtfully selected and carefully specified, installation must be carefully choreographed and watched and be extremely well coordinated by...

BEC Roof System – 3 Ply Hybrid Roof System With Type II or Kettle Grade  Rubberized Asphalt I ply of 3.0 mm rubberized, 180 gram polyester reinforcement base sheet in solid moppings of type II asphalt or rubberized asphaltI ply of 3.0 mm rubberized, 180 gram polyester reinforcement base sheet...

Purchasing a replacement roof system  is a major expenditure and is a major business decision – decisions require information to ensure that the new roof system meets all of the requirement of the building and building operations and to ensure that value for money is obtained – energy considerations, longevity...

The facilities of EXISTING BUILDINGS are very sensitive, delicate places – personal residence and other facilities require care, consideration and the utmost design approaches. Conditions can include unique restricted access over multiple additions and roof areas, crowded ground conditions, sensitive occupants and delicate interior operations. It is an inherently risky...

Notes:  Please see roof system schematics following for the sequencing and materials of the roof system components. Please review the Comparison Chart – comparing and contrasting the characteristics – of the Three Roof Systems. THREE POSSIBLE ROOF SYSTEMS FOR A NEW BUILDING PROJECT – ACTUAL SELECTION MUST BE BASED ON ALL...

Modern day roof systems are installed over high R value insulation courses. The addition of much insulation leaves the roof membrane exposed to higher temperatures and heat aging in the warm months and lower temperatures and freeze-thaw stresses in the colder months. The relatively stable interior temperatures of the building...

Building Exterior Consultants Inc. (BEC) is a full service, professional, roof asset management and building envelope consulting company. I have taken a considerable amount of time to consider your project. Rather than have more conversations, I thought that I would distill my reasoning and thoughts into an email message. Following...