How to Install Sentinel Protect Plus Underlayment – Step-by-Step Guide

how to install sentinel protect plus underlayment

Installing the right underlayment is a crucial step in flooring that often goes unnoticed. It’s the unsung hero that supports your beautiful flooring. Sentinel Protect Plus Underlayment is a popular choice among homeowners and contractors alike. It’s not just a barrier between your flooring and the subfloor; it’s a key player in ensuring your floors’ longevity, comfort, and functionality. Let’s go into the nitty-gritty of installing Sentinel Protect Plus Underlayment.

Understanding Sentinel Protect Plus Underlayment

Sentinel Protect Plus Underlayment is a versatile and resilient material designed to support a variety of flooring types, including hardwood, laminate, and vinyl. Its primary function is to provide a smooth, stable base for your flooring, ensuring it lays flat and remains undisturbed over time. Its adaptability to different flooring types makes it a go-to choice for diverse flooring projects.

Why Choose Sentinel Protect Plus Underlayment?

Opting for Sentinel Protect Plus means investing in the longevity and quality of your floors. This underlayment excels in moisture protection, a crucial factor in areas prone to dampness. It’s also known for its sound insulation capabilities, making it ideal for upper-floor rooms where noise reduction is desired. Additionally, its impact resistance ensures a comfortable underfoot feeling and protects the floor from daily wear and tear. Notably, it’s made from recycled materials, aligning with eco-friendly building practices.

how to install sentinel protect plus underlayment

Installing Sentinel Protect Plus Underlayment: A Step-by-Step Guide

Preparing the Subfloor

Cleanliness is key. Ensure the subfloor is free from debris, dust, and moisture. A clean subfloor means a smoother installation and a longer-lasting finish.

Laying the Underlayment

Begin by unrolling the underlayment across the subfloor. Overlap the edges per the manufacturer’s instructions, usually by a few inches.

  • Secure the seams with tape. Use a quality tape recommended by the manufacturer to ensure a tight seal.
  • Trim the underlayment around the edges and fixtures meticulously. Precision here prevents future flooding issues.
how to install sentinel protect plus underlayment

Installing the Flooring

Once the underlayment is in place, you can start laying your chosen flooring. Follow the manufacturer’s instructions for the best results. Remember, the underlayment is there to support, not to complicate the process.

Tips for a Flawless Installation

  • Measure twice, cut once: Accurate measurements prevent waste and ensure a snug fit.
  • Keep it tight: Properly sealed seams prevent moisture ingress and maintain the integrity of the underlayment.
  • Stay aligned: Keep your rows straight for a hassle-free flooring installation later.


Can Sentinel Protect Plus be used with radiant heating systems?

It’s suitable for radiant heating, offering excellent heat transfer properties.

How thick is Sentinel Protect Plus Underlayment?

Its thickness varies but typically ranges from 2mm to 3mm, providing ample cushioning and support.

Is it necessary to tape the seams?

Absolutely. Taping the seams ensures a continuous barrier against moisture and improves overall stability.

Can I reuse Sentinel Protect Plus Underlayment?

It’s designed for single use. Reusing it may compromise its effectiveness.

How does this underlayment contribute to soundproofing?

Its density and composition significantly reduce sound transmission, making your space quieter and more serene.

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