Several Windows With New Interior Trim
You are replacing some of the windows, not all, and the trim around those is coming off anyway.
Reply within one business day. Or call / text 763-250-3621.
Several windows with new interior trim: JMB Builders replaces the two to nine windows on your list and, in the same visit, cases each one with new jamb extensions, casing, stool and apron. A partial order with trim is a normal job for us, priced per opening with the trim as its own line. Twin Cities metro. Send photos and we reply within one business day, or book a free in-home estimate.
- A partial order with trim is normal, priced per opening
- New jamb extensions, casing, stool and apron at each window
- Trim profiled to the rooms you are not touching
When a window is replaced full frame, the interior trim comes off. When it goes in as an insert, the old trim can stay or go. Either way, on a partial order of two to nine windows, the trim question is about those rooms: do the new windows get new casing, and if so, how does it sit next to the rooms where nothing changed?
New trim on the replaced windows is a normal add to the order. Each window's jamb is built out with extensions to the new wall depth, then cased with the profile you pick, with a stool and apron below or picture-framed all the way around. It is done in the same visit as the window, so the room is finished once. Mixed styles on one order is normal, and each window gets the same casing whatever its style.
The profile is the key decision. Matching the existing casing in the rest of the house keeps every room the same; picking a new profile for the replaced windows makes those rooms different, which is fine when they are being redone anyway. We measure the existing casing at the measure and can run the same profile, or show you the options. Everything goes in primed, filled and caulked. Painting is quoted as a separate line, or leave it primed and caulked and paint it yourself.
Get a written quote for this job
Three photos and a sentence is enough: a reply within one business day, or ask for a free in-home estimate. Or text the photos to 763-250-3621.
What you supply
- A photo of each window to be replaced from inside, showing the trim around it
- A close photo of the casing and stool on a window you are keeping, with a tape across the casing width
- The trim look you want: match the house, or a new profile for these rooms
- Furniture pulled back and curtains down at each window the morning of the install
- Paint or stain color: painting is quoted as a separate line, or leave it primed and caulked and paint it yourself
What JMB supplies
- A line-item quote, each window priced per opening with its trim as a separate line
- One in-person measure of the windows and of the existing casing profile, species and widths
- All windows on one order through our supplier so they match
- Removal, sill pan or flashing tape, shims, low-expansion foam and sealant at each opening
- Jamb extensions to the new wall depth, casing, stool and apron in paint-grade or stain-grade stock
- Nail holes filled, joints caulked, primed and ready for paint, or stain-grade left bare for finishing
- Cleanup, haul-away of the old units and trim, and photos in your job folder
How it is priced: per opening
Quoted in writing from your photos, with a reply within one business day. What moves the number:
- How many windows and the size of each; trim is priced by the opening too
- Casing profile and width: a plain flat stock vs. a wide or built-up profile
- Paint-grade primed stock vs. stain-grade oak, pine or maple
- Stool and apron vs. picture-frame casing on all four sides
- Jamb extension depth, deeper in a 2x6 wall or a wall with new drywall over plaster
- Matching an existing profile that is no longer stocked and has to be milled
- Drywall patching where old trim pulled paint or plaster with it
A tape across the existing casing in your photo tells us the width, and a photo of the profile edge-on tells us whether it is a stock pattern.
How long it takes
Lead time depends on the line and is written on the quote. Two to nine windows with new trim: add about half a day per three windows to the install for the casing.
How your project works
- 1
Send photos, get a written quote
Send three photos of the space and a sentence about what you want. You get a clear, itemized reply within one business day. Prefer a look in person? A free in-home estimate is always an option.
- 2
Pick materials, or bring your own
We help you choose profiles and materials that fit the house and the budget, or match your existing millwork exactly — or you buy the door or trim yourself and we install it. Everything is confirmed before the crew is scheduled.
- 3
Clean, precise installation
The crew shows up on time, protects floors and furniture, and installs with tight joints and consistent reveals. Photos of the finished work go in your job folder.
- 4
Walkthrough and invoice
We walk the finished work with you. If anything is not right, we fix it before we call the job done. Then one invoice, paid by check or direct deposit — no card fees, no payment links.
Situations and options
Match the house's casing
The same profile, width and species as the rooms you are not touching, so the replaced windows disappear into the house. Stock profiles are easy; an old pattern may have to be milled.
New profile in the rooms being redone
A wider flat stock or a craftsman head casing on the replaced windows, in rooms getting new paint and floors anyway. The rest of the house keeps its old trim for now.
Stain-grade to match the doors
Oak, pine or maple casing finished to match the interior doors and baseboard. Stain and finish are quoted as a separate line, or finish it yourself.
Several Windows With New Interior Trim: questions, answered
Can I get new interior trim on just the windows I am replacing?
Yes. A partial order with new trim is a normal job for JMB Builders: the two to nine windows go in and each is cased with jamb extensions, casing, stool and apron in the same visit. Each window and its trim are priced per opening on their own lines. Send photos and we reply within one business day, or book a free in-home estimate.
Will the new trim match the trim on the windows I am keeping?
It can. We measure the existing casing profile, width and species at the measure and run the same stock, or have it milled if the pattern is no longer made. Or you pick a new profile for the rooms being redone and leave the rest of the house as it is. Both are written on the quote.
Does new trim come painted?
It comes primed, with nail holes filled and joints caulked, ready for a top coat. Painting is quoted as a separate line, or leave it primed and caulked and paint it yourself. Stain-grade trim comes bare for staining and finishing, which is also its own line.
Why do replacement windows need jamb extensions?
A new window frame is usually shallower than the wall, so the jamb has to be built out flush with the drywall before casing can go on. The extension is a strip of wood or PVC the depth of the gap, nailed to the frame, and the casing covers the joint. It is part of the trim line for each window.
Can windows of different styles on one order all get the same trim?
Yes. Mixed styles on one order is normal, and the casing does not care whether the sash cranks or slides. A casement, a double-hung and a picture window in three rooms all get the same profile, stool and apron, so the trim reads as one even where the windows differ.
How much time does new trim add to the install?
About half a day for every three windows, on top of setting the windows. Jamb extensions, casing, stool and apron are cut and fitted at each opening, then filled, caulked and primed. Stain-grade trim takes a little longer because the joints have to be tighter.
Recent JMB work, from our job log
59 installs recorded across 30 Twin Cities communities since Dec 2025. Window and door installs for homeowners and the builders we work with. Counts come straight from our job log; no customer names.
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Read morePage reviewed October 25, 2026 · JMB Builders LLC, MN license BC809005 · All windows pages
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