Hide Hinges on Storage Cabinets (Blum Soft-Close)
To hide visible cabinet hinges, replace them with a correctly sized Blum concealed cup-hinge system, such as a compatible CLIP top BLUMOTION 110° hinge. First confirm door type, thickness, weight, overlay, and clearances. Bore to the exact SKU’s instructions, fit its matching plates, then adjust the door and test soft-close action.
A cabinet door can look wonderfully plain until a hinge catches the light. The fix is not simply to swap hardware: the new hinge must suit the door and cabinet, and its cup hole must land in the right place. I treat this as a fit-and-clearance job first, and a drilling job second.
The steps below cover planning, boring, mounting, and adjustment. Blum makes several hinge and plate configurations, so use the instructions for your exact SKU rather than treating the measurements here as a universal drilling plan.
Plan the Door and Select the Blum Hinge
Start by recording how the existing door meets the cabinet, then choose a Blum hinge and mounting plate for that geometry. “Overlay” means the door covers part or all of the cabinet edge; “inset” means it sits inside the opening. These differences affect the hinge, plate, and reveal.
Measure the door’s width, height, and thickness. Note its material, approximate weight, and whether the cabinet is frameless or has a face frame. Also check how the current door opens and where the old hinges attach. Do not assume old holes match a new concealed hinge.
A representative option is the Blum CLIP top BLUMOTION 110° cup hinge. The 110° figure describes its opening angle, while BLUMOTION provides integrated soft-close action. Confirm the exact hinge SKU and matching plate before buying; overlay, inset, and face-frame arrangements can call for different parts.
| Door and cabinet detail | What to confirm before ordering |
|---|---|
| Full overlay | Door covers most of the cabinet side; check overlay and plate data |
| Half overlay | Two doors may share a cabinet partition; check each door’s position |
| Inset | Door sits within the opening; confirm hinge and plate support inset mounting |
| Face frame | Confirm the hinge or adapter is suitable for the frame |
| Frameless cabinet | Match the plate and fasteners to the cabinet side and hinge SKU |
A hinge count is not a simple load-per-hinge calculation. Use Blum’s door-size and hinge-count guidance for the selected model, and account for the door material and mounting conditions. Weak particleboard edges, damaged screw holes, or a heavy door can change what is safe and reliable.
Before drilling, lay out the proposed hinge and plate positions on paper or with a template. If the cabinet, door, or frame is damaged, repair or reinforce it before mounting new hardware. The hinge cannot make a weak attachment sound.
Check Cup, Reveal, and Opening Clearances
The cup is the round recess bored into the back of the door for the hinge. Its position sets the hinge’s fit, so verify the exact SKU’s drilling data and use its template. A correct cup location still needs enough room for the door to open without hitting nearby parts.
For the referenced hinge family, Blum specifies a 35 mm cup diameter and a cup drilling depth of 13 mm. The listed drilling distance, measured from the door edge to the cup bore edge, is 3–7 mm, depending on the hinge and door geometry. The stated minimum door thickness is 15 mm. Check all three against the exact SKU and door material before cutting.
Depth deserves special care. A 13 mm cup in a door that is only 15 mm thick leaves little material at the face. Use a depth stop and the hinge maker’s instructions; do not bore deeper to make a cup sit flush. Test your setup on scrap of the same thickness when possible.
Check the opening with the door held in its planned position. Look for collisions with the next door, drawer fronts, pulls, shelves, and cabinet sides. Consider the full swing, not just the closed position. A pull can clear the neighboring door when shut and still strike it as the door opens.
| Check | How to verify | Why it matters |
|---|---|---|
| Cup diameter and depth | Use exact SKU data and a depth stop | Prevents a poor fit or breakthrough |
| Edge distance | Follow the hinge template and drilling table | Sets the hinge position and door movement |
| Overlay or inset | Confirm using Blum’s tables for hinge and plate | Helps set the door position and reveal |
| Opening arc | Swing a mock-up or test-fit the door | Reveals clashes with pulls, doors, or shelves |
| Mounting surface | Inspect frame or cabinet side and screw area | Helps ensure secure plate attachment |
If two doors meet at a center partition, check their reveals together. Each door needs room to move without rubbing the other. A quick cardboard or scrap-wood mock-up can show an interference problem before you drill finished doors.
Bore, Mount, Adjust, and Finish
A controlled installation uses the correct cup bit, a stable drilling jig, and a depth stop. Bore the cup at the exact position given for your hinge, then attach the hinge and matching plate with suitable fasteners. Adjust only after the door is supported and clipped onto the plates.
- Mark and support the door. Mark the hinge centers from the SKU template. Clamp the door securely on a flat surface, with a backer beneath the drilling area if practical.
- Set the jig and depth. Confirm the 35 mm bit is sharp and centered. Set the stop to the specified 13 mm depth for the referenced hinge, but follow the exact SKU instructions if they differ.
- Bore the cup. Keep the drill square to the door face and advance steadily. Stop at the depth limit. Check the hole before fitting the hinge.
- Fasten the hinge. Seat the cup as directed and use the specified fixing method. Do not force a hinge into a hole that is too shallow, too small, or off-center.
- Mount the plates. Position the matching plates with the correct setback and suitable screws. A face-frame cabinet may require a compatible plate or adapter.
- Clip and test-fit. Attach the hinge arms to the plates as directed. Support the door while doing this; do not let its weight hang from one hinge during installation.
- Adjust and secure. Use the hinge’s provided adjustments to set side, depth, and height. Tighten fasteners after the reveal is even and the door moves freely.
I use a scrap test whenever I am working with a new door material or an unfamiliar jig. It confirms the bit depth and edge position without risking the finished face. If a screw hole is stripped, do not rely on a longer screw unless the cabinet material and clearance allow it; repair the mounting point appropriately first.
For a clean look, keep the door edges and cabinet opening consistent. A small, even reveal often looks more deliberate than a tight gap that binds when the door moves. Avoid filling or painting over moving hinge parts, adjustment screws, or the soft-close mechanism.
Verify Soft-Close, Alignment, and Access
A successful installation closes smoothly, holds an even reveal, and leaves the hinge adjustment and soft-close parts working as intended. Test the door from different opening positions, then inspect the fasteners and surrounding cabinet. Concealed hinges change appearance, but they do not remove access or clearance duties.
Close the door several times without pushing it shut. The BLUMOTION action should slow the closing movement under the conditions supported by the selected hinge. If the door slams, stalls, or closes unevenly, check that the hinge is the soft-close model, that it is installed correctly, and that the door is not rubbing.
Use this sequence to diagnose common problems:
- Door sits too high or low: Check plate position and use the hinge’s height adjustment, if provided.
- Uneven side gap: Use the side adjustment, then recheck the neighboring door.
- Door stands proud or sits too far back: Check depth adjustment and verify that the plate and hinge are the intended pair.
- Door rubs: Find the contact point first. Check overlay, cup position, and opening arc rather than forcing the hinge.
- Soft-close seems inactive: Confirm the SKU includes BLUMOTION and inspect for binding or incorrect installation.
After adjustment, check the screws again and test the door through repeated open-and-close cycles. Recheck the reveal after the door has settled. If the cabinet side flexes or the fasteners loosen, stop and improve the mounting support before continued use.
Electrical panels and other regulated access
A cabinet door does not make an electrical panel’s required working space disappear. Where NEC 110.26 applies, the working space is generally at least 30 inches wide, or the equipment width if greater; 36 inches deep for the applicable 0–150 V-to-ground condition; and 6.5 feet high. Confirm the adopted code edition, site conditions, and local authority requirements.
Do not place a cabinet, stored items, or a door arrangement in a way that blocks required panel access or working space. Concealed hinges do not change those rules. For other equipment or required ventilation, check the relevant product instructions and applicable codes before enclosing it.
Installation Scenarios: What Changes in Practice
These are illustrative shop scenarios, not reports of specific customer jobs. They show how door type and nearby obstacles change the checks I make before installing concealed soft-close hinges. The hinge’s exact SKU data still governs the drilling and mounting details.
Replacing exposed hinges on an overlay door: I first identify how far the door covers the cabinet side and confirm the matching hinge and plate. I then check the pull and adjacent door through the full swing. The old hinge holes may be visible when the door is open, so I plan repair and finish work separately from the new cup layout.
Fitting an inset door: The door sits within the cabinet opening, leaving little room for error in the reveal. I test the hinge and plate combination against the opening dimensions before boring. If the door binds, I check its position and clearances rather than using hinge adjustment to hide a poor fit.
Adding a door in front of an electrical panel: I do not proceed until required access and working space are confirmed. A door that swings away may still obstruct access when open, and the cabinet itself can intrude into the required space. If compliance is unclear, consult the authority having jurisdiction or a qualified electrical professional.
FAQ: Blum Concealed Soft-Close Hinges
These quick answers address common decisions when replacing visible cabinet hinges. The exact hinge and plate instructions remain the final guide for drilling dimensions, mounting, and adjustment. Check local rules as well if the cabinet could affect regulated equipment access.
Can I use any Blum soft-close hinge for my cabinet door?
No. Match the hinge and plate to the door type, overlay or inset geometry, cabinet construction, size, and weight.
What size cup hole does the referenced hinge use?
The reference CLIP top BLUMOTION family uses a 35 mm cup. Confirm the exact SKU before drilling.
How deep should I drill the cup?
The reference is 13 mm. Use the instructions for your exact hinge and a depth stop; do not assume this applies to every model.
How far from the door edge should the cup be?
The referenced drilling distance is 3–7 mm, subject to the hinge and door geometry. Use the SKU’s template and data.
What is the minimum door thickness?
The stated minimum for the referenced family is 15 mm. Verify the limit for the exact SKU and door material.
Can I reuse the old hinge holes?
Only if the new hinge’s layout and fastening requirements match them. Do not assume they align; inspect the door and cabinet before installation.
How many hinges does a door need?
There is no universal count based on a fixed load per hinge. Follow Blum’s hinge-count guidance for door size and account for material and mounting conditions.
Why does my door still slam?
Check that the installed SKU includes BLUMOTION, then inspect for binding, incorrect mounting, or a hinge and plate mismatch.
Can concealed hinges cover an electrical panel?
Not if the cabinet or door blocks required access or working space. Verify the adopted electrical code and site requirements before building around a panel.
What should I check before calling the job finished?
Confirm even reveals, free movement, secure fasteners, unobstructed closing, and repeated soft-close operation. Recheck the door after adjustment and use.
(This article was written by one of our staff writers, Nathaniel Pierce. Visit our Meet the Team page.)
