Subfloor Calculator

Understanding Subfloor Installation

A properly installed subfloor is crucial for the longevity and performance of your finished flooring.

  • Structural Support Provides stable base for finished flooring.
  • Moisture Protection Helps prevent water damage and warping.
  • Sound Dampening Reduces noise transmission between floors.
  • Thermal Insulation Improves floor temperature regulation.

Material Selection

Plywood

Traditional, stable choice

OSB

Cost-effective option

AdvanTech

Premium moisture resistant

Thickness

Based on joist spacing

Installation Requirements

  • Fastening Pattern Follow manufacturer specs.
  • Expansion Gaps Allow for movement.
  • Panel Layout Stagger end joints.
  • Support Proper blocking at edges.

Best Practices

  • Acclimation Store materials on site.
  • Clean Surface Remove debris before install.
  • Adhesive Use Apply between joists.
  • Inspection Check for squeaks/movement.