How to Measure for Blum Undermount Drawer Slides: Sizes, Dimensions & Instructions
To measure for Blum undermount drawer slides, calculate your drawer width as the cabinet opening width minus 42mm (1-21/32"), then choose the slide length closest to but not exceeding your drawer depth minus 1". Blum Tandem slides come in 9", 12", 15", 18", and 21" lengths with a load capacity of 90–100 lbs per pair.
Drawer width: Cabinet opening − 42mm (1-21/32"). Slide length: Choose the next size down from drawer depth − 1" (available: 9", 12", 15", 18", 21"). Drawer side thickness: 563H fits ½"–⅜"; 563F fits ⅜"–¾". Notch: ½" tall × 1-⅜" wide at rear corners of drawer box.
Blum undermount drawer slides offer a sleek, hidden solution for your drawers. These slides are ideal for modern cabinetry, providing both aesthetics and functionality. But, to enjoy their benefits, you must measure correctly. This guide will help you with each step, ensuring you get precise measurements.
Whether you’re a DIY enthusiast or a professional, following these steps will make your installation easier and more efficient. Accurate measurements mean your drawers will glide effortlessly, enhancing your furniture’s usability and appeal. Ready to get started? Let’s dive into the details of measuring for Blum undermount drawer slides.
Blum Undermount Drawer Slide Sizes and Dimensions
Blum Tandem undermount slides (series 563) are available in five standard lengths. Choose the length that is equal to or shorter than your drawer depth minus 1":
| Slide Length | Drawer Depth Range | Cabinet Depth | Load Capacity |
|---|---|---|---|
| 9" | 9"–10" | 12" cabinets | 90 lbs |
| 12" | 12"–13" | 15" cabinets | 90 lbs |
| 15" | 15"–16" | 18" cabinets | 90 lbs |
| 18" | 18"–19" | 21" cabinets | 100 lbs |
| 21" | 21"–22" | 24" cabinets | 100 lbs |
Blum Tandem 563 variants: The 563H fits drawer sides ½"–⅜" thick (most common for plywood drawer boxes). The 563F fits ⅜"–¾" thick sides. The standard 563 is designed for ⅜" drawer sides. All three series use the same drawer width formula: opening width − 42mm.
Top Pick
Blum 563H5330B Tandem Plus Blumotion 21" Undermount Drawer Slide
The most popular Blum Tandem slide for kitchen cabinets. Full-extension, soft-close Blumotion damping, 100 lb load rating. Fits ½"–⅜" drawer sides. Includes locking clips. Available in 9"–21" lengths.
Check Price on AmazonPreparation
Accurate measurements are vital for Blum undermount drawer slides. Measure drawer length and width carefully to ensure a perfect fit.
Choosing The Right Slides
Start by selecting the correct Blum undermount drawer slides. Consider the weight of items in the drawer. Heavier drawers need stronger slides. Measure the drawer length. Ensure it matches the slide length. This is important for smooth movement.
Gathering Supplies
Gather the tools needed for the job. You will need a tape measure, a pencil, and a screwdriver. Also get a level and a square. Having these ready will save time. Make sure you have the drawer slides and mounting screws. Double-check everything before starting.
Measuring Drawer Box
Learn how to measure for Blum undermount drawer slides. Ensure accurate measurements for smooth and efficient drawer operation. Follow simple steps for perfect fit.
Width Measurement
First, measure the inside width of the cabinet. Use a tape measure for this. Write down the exact measurement. Next, measure the width of the drawer box. Subtract the width of the drawer slides from the cabinet width. This gives you the drawer box width. Ensure the drawer box fits snugly inside the cabinet.
Depth Measurement
Measure the inside depth of the cabinet. Place the tape measure at the back and extend it to the front. Note the measurement. Measure the depth of the drawer box too. The drawer box depth should be 1 inch less than the cabinet depth. This ensures smooth sliding.
Height Measurement
Check the height of the drawer opening in the cabinet. Measure from the bottom to the top. Record the measurement. The drawer box height should be slightly less than the opening height. This helps in easy insertion and removal.
Calculating Drawer Length
Blum undermount drawer slides come in standard lengths. These lengths fit most cabinets. Measure the depth of your cabinet. Choose a slide slightly shorter than the depth. Common lengths are 12, 15, and 18 inches. The slide should not be longer than the depth.
For unique cabinets, custom lengths are needed. Measure the exact depth of your cabinet. Subtract 1/2 inch from this measurement. This is your custom length. Order slides that match this length. Ensure they fit correctly.
Marking The Drawer Box
Place the slides inside the box. Make sure they are straight. Measure 1/8 inch from the bottom. Mark this point on both sides. Repeat for the other slide. Use a pencil for clarity.
Hold the slide against the marked point. Make sure it is level. Mark the spots for screws. Do the same for the other side. Check that the marks are even. This ensures smooth sliding.
Installing Drawer Slides
Place the drawer box on a flat surface. Align the slide with the drawer edge. Use a pencil to mark the screw holes. Drill pilot holes for the screws. Attach the slide using screws. Ensure it is straight.
Mark the placement of the slides inside the cabinet. Use a level to ensure alignment. Drill pilot holes for the screws. Attach the slides to the cabinet. Make sure both sides are even. Test the drawer to ensure smooth movement.
Testing The Fit
Place the drawer on the slide. Make sure it glides smoothly. Check if it fits well in the cabinet. The drawer should not tilt. It should move straight. If the fit is tight, adjust the slides. Try again until it fits well.
Check the drawer’s movement. It should be smooth. No jerks or stops. Adjust the screws if needed. Test the drawer again. Repeat until it slides perfectly. A smooth drawer is easy to use. It also lasts longer.
Troubleshooting
Drawers might not open smoothly. This could be due to misalignment. Also, the slide might be too tight or too loose. Screws might not be in place. It’s important to check for obstructions. Sometimes, debris can get stuck in the slide.
First, check alignment. Adjust as needed. Ensure screws are tight. Remove any debris. Lubricate the slide. This can help smooth movement. Re-install the drawer if needed. Test after each fix. Keep the area clean. Regular checks can prevent issues.
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Frequently Asked Questions
What Tools Do I Need To Measure For Blum Drawer Slides?
You will need a tape measure, pencil, and square. Ensure accurate measurements for proper fit. A level can also help.
How Do I Measure Drawer Length For Blum Slides?
Measure the interior length of the drawer box. Ensure it matches the slide length. This ensures smooth operation.
What Is The Correct Height For Blum Undermount Slides?
Measure from the bottom of the drawer to the bottom of the cabinet. This ensures proper alignment and function.
How Do I Ensure Proper Drawer Width For Blum Slides?
Measure the interior width of the cabinet opening. Subtract the slide thickness. This ensures a snug fit.
Conclusion
Measuring for Blum undermount drawer slides can seem tricky at first. With the right tools and steps, it becomes simple. Accurate measurements ensure smooth drawer operations. Always double-check your measurements before installation. This prevents future issues and ensures a perfect fit.
Remember to follow the instructions provided with the drawer slides. Proper installation increases the lifespan of your drawers. Now, you can confidently tackle this task. Enjoy the benefits of well-fitted Blum undermount drawer slides in your home. Your drawers will thank you for it.
Happy measuring!
