How to Use This Calculator

Enter your room length and width in feet, then specify your underlayment roll size (typically 100 sq ft). The calculator automatically adds 10% for waste and cutting.

Why Accurate Laminate Underlayment Matters

Proper underlayment is crucial for laminate flooring performance. It provides moisture protection, sound dampening, and smooths minor subfloor imperfections. Buying the right amount prevents costly mid-project trips to the store.

Common Mistakes to Avoid

Not accounting for waste (always add 10%), forgetting to measure closets and alcoves, and choosing incompatible underlayment thickness for your flooring type.

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