Roof Decks And Big Open Spaces
A steel or timber deck over an open span is usually the single largest heat loss in a commercial building, and usually the one nobody has touched.
Foam applied to the underside seals and insulates in one pass, over the whole area, including around every purlin, hanger and service penetration. On a big deck that detail work is most of the value, because it is where a sheet product would have needed hundreds of individual seals.
Access is the constraint rather than the spraying. Most of these jobs run off lifts, and the lift time is a real line in the price.
Uptown Buildings Are Their Own Category
The heritage commercial stock here is masonry, tall, and built to a standard that predates any thought of insulation.
Those buildings are frequently damp in the walls by design, because solid masonry manages water by absorbing it and drying out again. Sealing the inside face of a wall like that without understanding the assembly can stop it drying inward, and that is a genuine risk rather than a theoretical one.
We will look at a heritage building and say honestly when the right answer is the roof and the floor rather than the walls. Insulating everything is not always the correct advice and on some of these buildings it is the wrong advice.
Fire Rating Is Not Optional
Every part of a commercial job has a covering requirement, and it is stricter than the residential equivalent because occupancy and area drive it.
Foam left exposed in an occupied commercial space is a code failure and an insurance problem. We establish what the covering has to be at quoting stage, and whether it sits in our scope or your contractor's, in writing.
Where a building has a sprinkler system, the assembly has to work with it rather than around it.
Working Around A Live Business
Most of these buildings cannot close.
We work in sections, evenings and weekends where that is what it takes, and we set the ventilation and re-entry window around your operation rather than expecting you to work around ours. The re-entry window is given in writing in advance, because for a business it is a scheduling constraint with a cost attached.
Cold storage, food handling and anything with an inspection regime has additional requirements, and we would rather hear about those at the first visit.