How To Put Underlay Under Laminate Flooring

How to Put Underlay Under Laminate Flooring

Laminate flooring requires an underlay to ensure stability, soundproofing, and moisture resistance. Installing underlay is essential as it reduces noise transmission, prevents moisture damage, and improves the floor's overall comfort and durability. This guide will provide detailed instructions on how to put underlay under laminate flooring.

Materials Needed

Laminate flooring
Underlayment
Utility knife
Tape measure
Staple gun and staples
Plastic sheeting (optional)

Step 1: Prepare the Subfloor

Ensure the subfloor is level, dry, and free from debris. If there are any raised areas, sand them down. If there are low areas, fill them with self-leveling compound.

Step 2: Install Plastic Sheeting (Optional)

If your subfloor is not moisture-resistant, lay down a layer of plastic sheeting. Overlap the sheets by at least 6 inches and tape the seams. This will create a moisture barrier between the underlay and the subfloor.

Step 3: Roll Out the Underlay

Starting at the longest wall, roll out the underlay parallel to the wall. Overlap the seams by 2-3 inches and trim any excess with a utility knife.

Step 4: Secure the Underlay

Use a staple gun to secure the underlay every 8-12 inches. Start by stapling around the perimeter and then work your way towards the center. Ensure the underlay is taut but not too tightly stretched.

Step 5: Stagger the Joints

When installing the laminate flooring, stagger the joints between the rows to prevent buckling. This will create a more stable and durable floor.

Tips

Use a high-quality underlay that is appropriate for your flooring needs. It should be moisture-resistant, soundproof, and have thermal insulation properties.
Trim the underlay carefully to avoid tears or gaps.
Fasten the underlay securely to prevent movement during installation.
Allow the underlay to acclimate to the room temperature for 24 hours before installing the flooring.

Conclusion

Installing underlay under laminate flooring is a crucial step to ensure a high-quality and long-lasting installation. By following these instructions, you can achieve a flooring system that is stable, quiet, and moisture-resistant. Remember to use the appropriate underlay for your specific flooring and subfloor conditions, and pay attention to the details to ensure a professional-looking finish.