Window Screen Repair in Rosemont–La Petite-Patrie

In Rosemont–La Petite-Patrie, it is rare for a building to still have the same window model throughout. The brick duplexes and triplexes built between 1910 and 1950 have had their windows replaced piecemeal over successive renovations, as needs and budgets allowed: an original double-hung can sit beside a newer casement, and one flat may have been redone before the others. The consequence for screens is immediate: within one building there can be several screen types rather than a single one. So you cannot count windows and multiply — each opening has to be looked at and decided on its own, rescreen or rebuild. It also means a plex has to be walked through before an estimate means anything: a count of windows says nothing about how many are original double-hungs and how many were changed later.

The other legacy of this architecture is the façade itself: exterior staircases, balconies on every floor, brick and stacked flats. Front screens therefore work at height, but nearly all of them come out from inside — that is the normal way to handle a triplex, and it avoids ladder acrobatics over a spiral staircase. The original openings, for their part, were never standardized: the period screens still in place have narrow aluminum frames, or wood frames, in sizes no store carries. On those units rescreening is almost always the right call: the frame is still straight, only the mesh has failed, and rescreening it costs a fraction of new fabrication to the same peculiar measurements. It is also why two neighbouring windows in one building can need two completely different repairs on the same day, one a quick rescreening and the other a full rebuild.

The two dominant front-façade types call for different handling. On a double-hung, the screen sits between the two sashes and covers only the operating half — that is intentional, otherwise the sash could not slide. On century-old wood the rabbet is no longer parallel: mesh pulled too tight bows the frame and makes it bind, slack mesh leaves a gap along one side. On a casement, the screen is interior, held by clips, and lifts out from inside the flat: out it comes, rescreened in its own frame, back it goes, without ever touching the window. When a frame does have to be rebuilt, aluminum is the better choice in an older opening — it stays straight where fresh wood would swell in humid weather and begin to bind, which is exactly when the screen is wanted most.

Then there are the balcony doors, one per flat in many triplexes. Where they have been replaced with a slider, they behave exactly like a patio door: the mesh goes slack, the rollers pack with street dust and the track fills up. We change the rollers and clean the track at the same time as the mesh; doing one of the three just books a return visit. Finally there is the case of units bought at a store by a previous occupant, taken in the nearest available size rather than the real dimensions of the opening. They hold by friction and by luck, leave a gap on one side, and eventually end up in the yard. On those openings the only durable answer is a screen built to measurements taken on site.

The real constraint here is access, and it comes in two parts. First height: in a triplex, two flats out of three are upstairs, and their screens come out from inside — so someone has to open the door. Second occupancy: many of these buildings are rentals, and the owner ordering the work is not the person living behind the window. A visit is prepared by warning the tenants: without access to the flats, only the ground-floor screens can be handled. The third point is more mundane: an exterior spiral staircase makes ladder work needlessly risky, which confirms the same method — go in, take the screen out, repair it, put it back. A whole building goes very well in a single pass, provided the doors open.

The neighbourhood is dense and hard-surfaced: brick, asphalt, back yards hemmed in between buildings. Screens here take two things above all. Sun first: a south wall with no tree cooks the mesh, and standard fibreglass turns brittle within a few seasons where aluminum holds up considerably better. Street dust second, which builds up in slider tracks and seizes the rollers long before the mesh gives out. On the balconies, where people eat in summer, a tight weave is worth it if evening mosquitoes are ruining the meal; and if a cat goes out on the balcony, pet-resistant mesh saves redoing the same door every year.