1 Panel Flat Hollow Core Interior Door
Same doors the big-box stores sell, wholesale-direct in Waterloo.
Step 2: Make it fit your doorway
New doors arrive blank. Most people have us cut the hinge pockets (the shallow recesses the hinges sit in) and the handle hole so the door is ready to hang.
Ordering the slab only? That is the plain door with nothing cut into it. You can skip this step: pick your size above, then add to cart.
Which one sounds like your doorway?
Want us to cut your door to fit? Tap one of the three options below.
Is the wood frame around your doorway staying on the wall?
Does the new door need anything cut into it: hinge pockets or a handle hole?
What your door arrives with
- Hinge pockets not cut
- Handle hole not cut
- Hinges not included
- Frame not included
Your choices (price per door)
Nothing picked yet.
Options total $0.00
Free pickup in WaterlooReady in 24-48 hours
Local deliveryWithin 2-4 business days
The 1 Panel Flat is a simple, modern interior door with one large flat panel set slightly into the face of the door, framed by a softly bevelled edge (the border is cut at a gentle angle instead of a hard corner). It is light to carry, suits any room, and helps a space feel taller and brighter. Have us cut it to fit your doorway in Step 2 above and hanging it is a screwdriver job.
- Style: One large flat panel with a softly bevelled edge
- Construction: Hollow-core: a light honeycomb centre instead of solid wood, which keeps the door easy to handle and budget friendly
- 1 3/8 inches thick, the standard thickness for interior doors
- Arrives primed white (base coat already applied), ready to paint in any colour
- Standard widths from 16 to 36 inches, 80 inches tall
- We cut it to fit your doorway with the Step 2 options above: hinge pockets, handle hole, door swing, shorter heights, and a full frame if you need one
- Wholesale-direct pricing: the same quality of door the big-box stores sell, at a fraction of the price
Want a heavier, quieter door with a crisp square edge? Take a look at our solid-core Shaker styles.
Adding a full frame in Step 2? It arrives in machined pieces and goes together fast: How to Assemble Your Door Frame shows every step.
Common questions
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Yes, if we cut it to match. In Step 2 on this page, pick Keep my existing frame, copy the hinge spots from your old door, and we cut the hinge pockets and handle hole so the new door hangs right on your old frame. A door ordered with no fitting options arrives blank and will not simply screw in.
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We are a small Waterloo shop selling wholesale-direct. It is the same style of door the big chains carry. You are skipping their retail markup, not the quality.
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Two ways. Pick it up free at our Waterloo shop, or book a local delivery window. Doors are large, so if your vehicle is on the small side, delivery is the easy answer.
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Measure twice using our step by step measuring guide, it even has a printable worksheet. If anything feels uncertain, contact us before you order.


