- Serving Kansas City & Overland Park
- nbowman@horizonexteriorskc.com
Like a living picture frame
Brightens any room
Available in round, half round, octagon, trapezoid, and triangle shapes.
Can be combined with other types of windows, like casement windows for ventilation.
Perfect for flanking with bay or bow windows for a unique look.
A picture window does not open, and that is the entire point. With no sash, no track and no hardware, there is nothing to leak through, which makes fixed glass the most airtight and most thermally efficient window you can put in a wall. It also means the frame can be thinner, so more of the opening is glass and less is structure.
Used properly, it is a design decision rather than a budget one. A large picture unit flanked by two casements gives you an uninterrupted view in the middle and real ventilation at the edges, which is a far better outcome than three identical operating windows chopping the view into thirds.
Two considerations that matter more as the unit gets bigger. A large expanse of west or south facing glass will move real heat into the room in August, so the solar heat gain figure on the glass package matters more here than on a small window. And a picture window contributes no ventilation at all, so the room needs airflow from somewhere else. Building code also requires operable egress in a bedroom, which fixed glass cannot satisfy on its own.
Usually, provided the room is not a bedroom relying on that window for egress and you are content to lose the ventilation. We check both before quoting it.
Modern insulated glass with a low-E coating and a warm edge spacer performs well, and the fixed frame has no air leakage path. What you may still notice is radiant cool near a very large pane on a hard freeze, which is physics rather than a defect.
Only if the insulating glass seal fails, and that is what the glass warranty covers. Fixed units actually fail less often than operating ones, because nothing is flexing the frame every time somebody opens it.
The best use of a picture window is almost never on its own. A wide opening built as one large fixed pane with a casement or awning at each end gives you an uninterrupted centre view, ventilation from both sides, and better airflow across the room than three matching operating windows would. It also concentrates the frame material at the edges where it is least intrusive, so the middle of the view stays clean.
On a taller wall the same idea works vertically, with a fixed unit above and an operable below, which is common in stairwells and vaulted living rooms where the upper glass would be unreachable anyway. We mock these combinations against your actual elevation at the measure, because proportion is the thing that decides whether it looks designed or improvised.
A large west or south facing pane moves real heat into the room in August, so the solar heat gain figure on the glass matters far more here than on a small window.
Fixed glass contributes no airflow at all, so the room needs an operable window somewhere or the space will feel closed on a mild day.
Building code requires an operable escape opening in any room used for sleeping, and fixed glass cannot satisfy it.
A fixed centre flanked by two casements gives an uninterrupted view plus real cross ventilation, which three matching operable windows cannot.
High glass you could never reach to open anyway is the ideal candidate, and the fixed frame is the tightest assembly available.
Nothing flexes the frame because nothing opens, so insulating glass seals in fixed units outlast those in operable ones.
