White River Hardwoods Ā· MDF Radius Corners Ā· Made in the USA
3ā³ L Corner
SKU 3L34 Ā· Accepts 3/4ā³ Plywood Ā· 3ā³ Radius Ā· 97ā³ Length
Double Refined MDF Ā· 4 1/4ā³W Ć 1 11/16ā³D Ā· Ships LTL
The 3ā³ L Corner for 3/4ā³ plywood ā a tighter radius for cabinet runs where the 4ā³ L Corner extends too far. The two-leg L Corner geometry integrates with both cabinet faces. Double Refined MDF, made in the USA.
The 3ā³ L Corner ā tighter radius, same complete two-leg geometry, for cabinet designs where a compact corner is the right call.
Product Details
Dimensions & Specifications
| SKU |
Profile |
Radius |
Accepts |
Width |
Depth |
Length |
| 3L34 |
L Corner |
3ā³ Radius |
3/4ā³ plywood |
4 1/4ā³ |
1 11/16ā³ |
97ā³ |
* Material: Double Refined MDF. Lead time: 7ā10 business days. Ships LTL ā minimum $45 freight. Street address required for delivery.
Why MDF Radius Corners
The Problem This Solves
ā
L Corner ā 3ā³ Radius
The L Corner profile at 3ā³ radius provides the same complete two-leg corner geometry as the 4L34 in a more compact footprint. The tighter radius suits narrower cabinet runs, desk returns, and full-height built-ins where a 4ā³ corner would overhang adjacent elements.
ā£
Double Refined MDF
Double Refined MDF machines cleanly, paints to a flawless finish, and holds its shape over time. No grain inconsistency, no void risk ā just a consistent, dense substrate that takes primer and paint the way cabinetry demands. A surface indistinguishable from solid wood when properly primed and painted.
ā
Only National Manufacturer
White River Hardwoods is the only national manufacturer of MDF radius corners in the USA ā made in Fayetteville, AR. Consistent quality, reliable availability, and a supplier that has been delivering to the cabinetry industry nationally for decades.
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Accepts 3/4ā³ Plywood
Engineered specifically for 3/4ā³ plywood box construction ā the standard substrate for this profile. The plywood box butts cleanly into the radius corner without shimming, scribing, or custom fitting. One piece, right the first time.
Installation
Working With Radius Corners
1
Plan Your Layout
Determine the location and orientation of each radius corner. The piece is 97ā³ long ā cut to your finished height. Mark cut lines accurately before cutting; MDF does not forgive mis-cuts at visible faces.
2
Cut to Height
Cut with a fine-tooth carbide blade ā MDF dulls blades quickly. Cut from the finish face to minimize tear-out. Support the full length when cutting to prevent binding and chipping at the cut line.
3
Dry Fit First
The 3/4ā³ plywood box should seat cleanly into the radius channel. Dry fit before applying any fasteners or adhesive ā confirm seating depth and check that the radius face is flush with adjacent cabinet faces.
4
Fasten & Secure
Secure with construction adhesive and finish nails or screws through the cabinet box. Pre-drill to avoid splitting. Set fasteners slightly below the surface ā MDF fills cleanly and holds fasteners well when properly pre-drilled.
5
Fill & Prime
Fill all nail holes and seams with lightweight filler. Sand flush when dry. Apply a quality MDF primer before finish coats ā MDF is highly absorbent and requires a sealing primer coat for a smooth, paint-ready surface.
6
Finish to Match
Apply your chosen paint in thin, even coats over the primed surface. Two finish coats over primer is standard for a smooth painted cabinet finish. Sand lightly between coats with 220-grit.
Always Prime MDF Before Finishing
MDF is highly absorbent at cut edges and faces. A quality MDF-specific or high-build primer is essential before any finish coat. A properly primed MDF radius corner paints to a finish indistinguishable from solid wood ā skipping the primer step results in an uneven surface that requires significant additional work to correct.
Shipping ā LTL Freight
MDF Radius Corners ship via LTL freight. Freight is calculated by destination with a minimum charge of $45. If actual freight exceeds $45, a separate freight invoice will be emailed after your order is placed.
Important: LTL delivery requires a physical street address. We are unable to deliver to APO/FPO addresses or PO Boxes. Estimated lead time is 7ā10 business days from order confirmation, subject to inventory availability.
3L34 ā 3ā³ L Corner, 3/4ā³ Plywood. Compact radius, complete corner geometry.
