Basement Floor Underlayment

Basement Floor Underlayment Featured Image

Installing any type of flooring in the basement can be tricky. With common humidity levels that are associated with basements, you want to make sure your flooring gets plenty of ventilation.

We developed VentiLayer/Bellawood Basement to help just that. Our patented mesh layer promotes ventilation to disperse potentially harmful moisture away from your beautiful flooring.

Underlayment for Concrete Basement Floors

  • The best basement underlayment protection for floating laminate and engineered hardwood flooring.
  • Strong, flexible mesh layer elevates the pad and promotes ventilation so moisture doesn’t become trapped
  • Helps protect the floor from moisture damage and inhibits mold growth
  • Provides added insulation
  • Cushions the floor, absorbs sound, and helps make laminate floors sound more like real wood
  • A green product; made with recycled content
  • No off-gassing from Volatile Organic Compounds (VOCs)

Underlayment for Concrete Basement Floors

Basement Underlayment Installation Instructions

  1. Be sure the subfloor surface is clean and dry
    If required, level the floor with self leveling concrete compound or Pre-Mixed Floor Patch, fill in cracks larger than 1/6″. All wood and concrete subfloors must be flat within 1/8″ over a 6 foot span, or 3/16″ over a 10 foot span. All areas must be check prior to installation.
  2. Roll Bellawood Basement underlayment over the subfloor with the vapor barrier film facing up and the attached plastic mesh facing down to the subfloor.
  3. The perimeter edges of the underlayment need to be 1/2 to 3/4 inches away from the wall.
  4. Seams need to be butted together flush, do not overlap the pad. Tape the seams with a good quality duct tape.
  5. Install floating engineered wood or laminate flooring according to the manufacturer’s installation instructions.
  6. It is recommended that the flooring planks be laid opposite direction to the seams of the underlayment whenever possible.
  7. Allow 1/4″ clearance between the drywall and finished floor.
  8. Leave baseboards up off finished floor a minimum of 1/16″ to 1/8″ for air circulation.

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