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We all heard about the buildings that collapsed in the different neighbourhoods of Montreal. But why exactly do walls (brick walls and others) collapse? What can we do to prevent them from collapsing? Here is what I know.
It is a weakness in the structure of a building’s envelope that causes a wall to collapse. But in order to avoid the building’s collapsing, we have to know what made the structure weak in the first place. Aside from earthquakes which can’t be stopped, weaknesses in a wall can be caused by different factors: water infiltration, rusty lintels, corrosion, etc.
To prevent your walls from becoming too weak to support the weight of the envelope, you must perform an adequate maintenance of the exterior walls, starting with an annual inspection. Walk around your building and look closely for any sign of deterioration: a crooked window, swelling, small holes, cracks, and such. Don’t forget the check the lintels to see if they are in good condition. Or even better: ask an expert to check them for you!
Lintels are small pieces of the exterior envelope located on the top of each opening: door, window, bay-window. Despite their small size, lintels are indeed essential for the structure. If you see your lintels show signs of deterioration or rust, call right away for a professional painter who specializes in lintel painting and other exterior painting tasks.
You must paint the lintels of your building and perform a complete anticorrosion treatment. Such treatment includes stripping, scraping, and sanding, applying a rust converter and rustproof paint and will last for about 10 years.
In Montreal, or in cities which have a similar climate, the best time to paint lintels is during fall, especially during the months of September and October, before frost time. It’s often during winter that collapses happen: water will infiltrate the wall and freeze, which will cause part of the siding to break out. If the lintels are too weak, the wall will collapse under its own weight.
Having your building’s lintels restored and repainted will cost you approximately 55 dollars per lintel. This includes our complete anti-corrosion treatment. There is also a traveling fee of $150-$250 for the mandates located outside of Montreal. Because of the growing demand for our services, we normally do not accept jobs for less than $800, which means we focus on commercial projects.
Construction painting company FinDecor has been developing exterior painting and lintel restoration techniques for the last 15 years. Thus, we are highly qualified to answer your exterior painting services. Contact us: you will be glad you did!