MP GLOBAL SSXLLV600 SoundStep LV Flooring Underlayment Instruction Manual

Table of Contents

All wood and concrete subfloors must be flat within 1/8″ over a 6′ span, or 3/16″ over a 10′ span. All areas must be checked prior to installation.

Instrucciones de instalaciön en espafiol: mpglobalproducts.com/SSLV- instaII
Transferrable lifetime warranty – mpgIobaIproducts.com/SSLV- warranty

Product may be installed over:

Double layer wood construction over joists or trusses up to 19.2″ on center
Single layer APA rated Sturd-l-FloorT&G, minimum 23/32″ over joists or trusses up to 19.2″ on center
APA approved underlayment grade plywood
Oriented strand board (OSB)
On, above or below grade concrete
Sound Gypsum based topping and lightweight concrete

Recommended Uses:

Subfloor and Preparation:

All subfloors must be flat, clean, smooth and dry
Sand any rough surfaces and/or uneven joists
Fill any cracks on concrete or panel joints wider than 1 /8″ using a recommended patch/leveling product

Floating Floor Installation:

Be sure the subfloor is clean, smooth and free of dust and debris
Unroll the Underlayment and place embossed side down to the subfloor.
Make sure that underlayment seams run perpendicular (at right angle) to the long dimension of the planks.
Underlayment must be positioned with a minimum 4″ separation between seams of underlayment and seams of finished flooring products
Trim the perimeter edges of the Underlayment W’ from the wall
Butt seams together and seal using a good quality single faced tape
Install the floor covering product according to the manufacturer’s instructions

Double-Glued Installation:

Be sure the subfloor is clean and free of dust and debris
Unroll the Underlayment and place embossed side down to the subfloor.
Make sure that underlayment seams run perpendicular (at right angle) to the long dimension of the planks
Trim to fit the Underlayment into the target areas.
Move the trimmed-to-fit underlayment to the side to apply the adhesive
Apply a recommended pressure sensitive adhesive using the flooring manufacturer recommended trowel
Once the adhesive has flashed (dried to a tacky touch) place the trimmed-to-fit underlayment into the adhesive
Butt seams together and apply 2″ wide clear packaging tape centered over the seam
Roll the adhered Underlayment with a 100 lb flooring roller
Mark starting lines on Underlayment for placement of finished flooring product
Apply a recommended pressure sensitive adhesive using the flooring manufacturer recommended trowel
Once the adhesive has flashed (dried to a tacky touch) you can begin flooring installation according to the manufacturers recommendations
Make sure the staggered end joints fall at least 2″ away from the underlayment seams
Follow flooring manufacturer recommendations for expansion gaps and installing transitions in large span applications and doorways
Roll the finished floor with a 100 lb flooring roller
Be sure not to slide flooring into position which could potentially displace adhesive

Nail down hardwood (solid and engineered) Installation:

Be sure the subfloor is clean and free of dust and debris
Unroll the Underlayment and place embossed side down to the subfloor.
Install underlayment in opposite direction to the laminate or hardwood floor. Start in a corner and roll out underlayment, installing it flush to the walls.
Continue the next row in the same manner until the whole room is covered. You can tape the seams but it is not necessary.
Install the hardwood per manufactures written instructions. Install baseboard slightly off floor to avoid flanking path.

Trim and Molding: