To calculate lineal feet of trim, (e.g. base, quarter round) simply measure each wall in the room and add up the lineal feet. For ease of installation use whole pieces where ever possible. Allow extra for cutting each corner and splicing pieces together.

rooms combined to display linear feet calculations

To determine the square footage of a square or rectangular room, measure the length and width of the room in feet or inches and enter the values in Area 1 of the calculator below.  For irregularly shaped areas or multiple rooms, it is helpful to draw a diagram and divide the room up into sections. Treat each section as a separate area, as in this illustration. Input the measurements of each area below to see the total SQFT needed.

rooms combined to display sqft calculations

Area Length
Area Width
Area 1
Area 2
Area 3
Area 4

SKU: 10023615

Premium Underlayment 100 Sq Ft

$99 smart rate delivery for orders up to 500 sq ft!
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Bellawood Premium Underlayment - 100 square feet per roll

The Bellawood Premium Underlayment offers a universal product usage. It's great for all floating floors including laminates with pre-attached pad and engineered wood.  In addition, it can be used with nail-down and glue-down flooring. 

- Use over most industry approved subfloors
- Firm support for multiple types of flooring with great acoustic benefits  
- The vapor barrier is specifically designed for optimal bond with adhesives and also helps to seal around  mechanical fasteners in nail-down applications
- The self-seal lip & tape system makes it easy to join the seams   
- LEED compliant made of primarily recycled content
- Triclosan-free antimicrobial treatment to safely inhibit mold and mildew
- Adds R-value (thermal resistance measure) to chilly floors  
- Also suitable for use with radiant heat flooring
- Smoothes out minor sub-floor imperfections.

23oz/sqyd (2.56 oz/sqft)


19.17 lbs/ft^3

@0.125" = 0.59 hr-ft^2-degF/Btu (5.18/inch)

Meets or exceeds Federal Flammability Standard: CPSC FF 1-70 (Pill Test)

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