Choosing the Right Underlayment
Selecting the right underlayment is part of a quality metal roof, and a Frankton homeowner benefits from understanding the choice. Here is how it is made.
Match to Metal Roofing
The underlayment should be appropriate for metal roofing, including handling the heat that builds beneath metal panels in the sun, which makes high temperature rated products important. Choosing an underlayment suited to the conditions under metal ensures it performs and lasts. Matching the underlayment to a metal roof's specific demands is a key consideration. The right product is suited to metal's conditions. It must fit the application.
Favor Quality and Durability
A quality, durable underlayment, such as a modern synthetic, is a sound choice for a metal roof, since it resists tearing and holds up well over time. Favoring durability in the underlayment supports the roof's long term protection. A quality underlayment is part of a quality roof, contributing to its performance and longevity. Choosing a durable product is a wise part of the decision. Quality underlayment pays off.
Consider Added Protection Where Needed
In certain areas or for added protection, a self adhering membrane may be used, providing a sealed barrier where extra moisture defense is wanted. Considering where additional protection is warranted is part of a thoughtful underlayment plan. Using a more robust membrane in vulnerable spots enhances the roof's protection. Targeted added protection is a sensible consideration. It strengthens defense where it matters.
Rely on the Contractor's Expertise
A contractor experienced in metal roofing knows which underlayment suits a given roof and project, so relying on their expertise helps ensure the right choice. Rather than a homeowner needing to specify the underlayment, a quality installer selects an appropriate, quality product. Trusting an experienced contractor's judgment on underlayment is part of getting a quality roof. Their expertise guides the choice well. It is worth relying on.
Part of the Overall Roof
The underlayment choice fits within the overall roof decision, alongside the metal, gauge, finish, and style, all of which a quality contractor addresses together. Considering the underlayment as part of the complete roof leads to a sound, coherent choice. The underlayment works with the other components in a quality installation. It is one part of the whole roof. It should fit the overall design.
Choosing It, in Short
Choose underlayment that suits metal roofing, including high temperature performance, favor quality and durability like modern synthetics, consider added protection where needed, and rely on an experienced contractor's expertise. The choice fits within the overall roof.
One point worth making clear for Frankton homeowners is that the underlayment, although it is a layer you will never see once the roof is finished, is a genuine part of what makes a metal roof perform and last, and it is worth understanding for what it tells you about the quality of an installation. The underlayment is the material that goes down over the roof decking, the plywood or sheathing that forms the roof's surface, before the metal panels are installed on top. Its primary job is to serve as a secondary barrier against moisture, a backup to the metal panels themselves. The metal is the roof's main defense against water, and a properly installed metal roof sheds rain and snow effectively, but the underlayment provides insurance, so that if water ever does get past the panels, from wind driven rain forcing moisture under an edge, from ice, or from any other cause, the underlayment helps keep that moisture from reaching the deck and the home below. By keeping the deck dry, the underlayment also helps protect the structural sheathing the roof is built on, which supports the roof's and the home's longevity over the decades a metal roof serves. Underlayment also provides a smooth, consistent surface over the decking for the panels to be installed on. For metal roofs specifically, there is an added consideration, because metal panels can get quite hot in the sun, the underlayment beneath them needs to be able to withstand that heat, which is why high temperature rated products matter. A quality installation includes proper, appropriate underlayment as a matter of course, so it is a reasonable thing to ask a contractor about when gauging whether they do things right.
One point worth making clear for Frankton homeowners is that the underlayment, although it is a layer you will never see once the roof is finished, is a genuine part of what makes a metal roof perform and last, and it is worth understanding for what it tells you about the quality of an installation. The underlayment is the material that goes down over the roof decking, the plywood or sheathing that forms the roof's surface, before the metal panels are installed on top. Its primary job is to serve as a secondary barrier against moisture, a backup to the metal panels themselves. The metal is the roof's main defense against water, and a properly installed metal roof sheds rain and snow effectively, but the underlayment provides insurance, so that if water ever does get past the panels, from wind driven rain forcing moisture under an edge, from ice, or from any other cause, the underlayment helps keep that moisture from reaching the deck and the home below. By keeping the deck dry, the underlayment also helps protect the structural sheathing the roof is built on, which supports the roof's and the home's longevity over the decades a metal roof serves. Underlayment also provides a smooth, consistent surface over the decking for the panels to be installed on. For metal roofs specifically, there is an added consideration, because metal panels can get quite hot in the sun, the underlayment beneath them needs to be able to withstand that heat, which is why high temperature rated products matter. A quality installation includes proper, appropriate underlayment as a matter of course, so it is a reasonable thing to ask a contractor about when gauging whether they do things right.
It also helps Frankton homeowners to know that underlayment has evolved, and that modern synthetic underlayments have largely become the standard for quality metal roof installations, which is worth understanding when comparing what different contractors propose. For many years, the traditional underlayment was felt, an asphalt saturated material that provided a basic moisture barrier and served adequately, and felt is still used in some applications. But synthetic underlayments, made from durable engineered materials, have become the common choice for quality metal roofing because they offer real advantages, they are generally more durable and far more resistant to tearing than felt, they hold up better over time and under the conditions beneath a roof, and they handle the heat that builds under metal panels well when a high temperature rated product is chosen. In addition to synthetics, there are self adhering membranes, sometimes called peel and stick, which adhere directly to the deck and form a sealed barrier, providing especially strong moisture protection and the ability to seal around fasteners, and these are often used in particularly vulnerable areas or wherever extra protection is warranted. The practical takeaway for a homeowner is not that they need to become an expert in underlayment products or specify them personally, but rather that an experienced, reputable metal roofing contractor will select an appropriate, quality underlayment for the roof, commonly a durable, high temperature synthetic, with added protection where it makes sense, and will install it correctly with proper overlap and detailing. The underlayment a contractor uses and how they install it is one of the quiet indicators of whether they build metal roofs to a high standard or cut corners on the parts that do not show.
Get Expert Underlayment Selection
Frankton Metal Roofing selects quality, appropriate underlayment for each metal roof across Frankton and Madison County. Call (765) 676-3491 for a free consultation on a metal roof built with the right underlayment, chosen by experienced installers.