13+ Moisture Under Vinyl Flooring Most Popular. Moisture weakens glue bonds and causes the edges to lift and bubbles to form in the middle. These fungal organisms release toxins into the air.
Your builder just voided your flooring warranty!
The type of vinyl flooring and type of subfloor you have using a vinyl flooring underlayment can help reduce noise, soften the feel under foot and aid in moisture protection. Amazon's choice for vinyl floor underlayment. In an area such as a kitchen or bathroom, sheet vinyl of moisture vapor from the floor shall not be more than 3 pounds (1.3608 kg) per 1,000 square feet (1.465kg/l00m2) per 24 hours. The floor in my basement is about 100 years old.