Delmarva Metal Roofing


Roof underlayment is a key component of roofing that protects your home from various weather conditions. Selecting the right type of underlayment is crucial in Annapolis, Maryland, where hurricanes, heavy rainfall, and strong winds are frequent occurrences. This article examines the various roofing underlayment types, their unique features, and the benefits they offer for roofing projects in Annapolis, Maryland.

Asphalt-Saturated Felt Underlayment

Asphalt-saturated felt underlayment for Annapolis, Maryland, roofing projects is a well-known and tried option. The base material, which is saturated with asphalt, provides excellent waterproofing. The main benefits of roof underlayment made of felt saturated with asphalt are as follows:

Water resistance

Asphalt saturation forms a protective barrier that, against moisture damage, prevents water infiltration and reduces the risk of leaks.


Asphalt-saturated felt underlayment is an affordable option that still provides reliable weather protection.


Because of the roof underlayment\’s long lifespan, your roofing underlayments will remain sturdy and secure even during severe weather.

Synthetic Underlayment

Synthetic underlayment\’s superior performance and adaptability have led to its popularity in recent years. It is made of synthetic materials that increase weather resistance and durability, such as polypropylene or polyethylene. Take a look at all the components and benefits of synthetic underlayment for Annapolis, Maryland, roofing:


Because synthetic underlayment is lighter than traditional options, durable construction is easier to handle and install, lowering labor costs.

Tear Resistance

This underlayment\’s synthetic composition provides exceptional tear resistance, ensuring its integrity in high winds and harsh weather.

Moisture Control

The moisture resistance of synthetic underlayment is excellent, preventing water intrusion preventing leaks, and protecting against mold and rot.

UV Resistance

Synthetic underlayment, designed to withstand prolonged exposure to sunlight, maintains its integrity and extends the life of your roof. 

Rubberized Asphalt Underlayment

Rubberized Asphalt Underlayment is a high-end option that provides excellent weather protection. It incorporates synthetic rubber polymers and asphalt to increase strength and flexibility. Consider the benefits of rubberized asphalt underlayment listed below:

Enhanced Waterproofing

Rubberized asphalt underlayment is the best choice for areas prone to hurricanes and heavy rain because it has superior waterproofing capabilities.

Temperature Resistance

This underlayment can withstand extremely high or low temperatures without warping or cracking, providing long-term stability best protection.

Impact Resistance

Rubberized asphalt roof underlayment offers excellent impact resistance, protecting your roof from hail or falling debris.

Noise Reduction

The rubberized material helps reduce outside noise, resulting in a quieter and more comfortable living environment.

Why Is Roofing Underlayment Necessary in Annapolis, Maryland?

The roof\’s underlayment is particularly crucial due to the conditions and difficulties that Annapolis, Maryland, homes encounter. Understanding the importance of roofing underlayment will help you understand how crucial it is to protect your home. Some of the primary reasons why roof underlayment is necessary for Annapolis, Maryland roofs are listed below:

Hurricane and Heavy Rain Protection

Hurricanes, tropical storms, and heavy rains frequently hit Annapolis, Maryland. During these extreme weather events, the underlayment protects against wind-driven rain and aids in the prevention of water infiltration and leaks at roof edges. It provides a temporary barrier in the event that primary roofing materials are damaged, lowering the risk of water damage to the roof decking and house interior.

Wind Resistance

Roofing underlayment provides an additional protection layer that helps secure the roofing system and reduce wind uplift. It\’s a second line of defense that makes wind-driven rain less likely to get under the primary roofing material and cause water damage.

Moisture Control

Roofing underlayment contributes to moisture control by acting as a moisture barrier. By serving as a moisture barrier, roofing underlayment aids in moisture control. It lessens the possibility of condensation forming on the underside of the roofing material and keeps moisture from penetrating the roof deck. Moisture control can prevent rot, mold, and structural damage.

Increased Durability

Roofing underlayment adds a secondary layer of durability to the roof deck and underlying structure, protecting it from damage caused by severe weather, strong winds, and moisture.

What Is the Impact of Roofing Underlayment on Energy Efficiency? 

A home\’s energy efficiency depends on the roofing underlayment on its roof. Homeowners can make better roofing decisions if they know how the roof underlayment affects how energy efficient the roof is. Here are a few important things to think about when it comes to how roof underlayment affects energy efficiency:

Condensation Control

Roofing underlayment prevents condensation by acting as a moisture barrier. Condensation is less likely to form on the underside of the roofing material because it keeps moisture from getting into the roof deck. This moisture control is critical for keeping insulation in the roof deck in good working order and preventing energy loss caused by moisture problems.

Insulation Enhancement

Insulated underlayment is one type of roofing underlayment that has added insulating properties. These roofing underlayments provide additional roof insulation, enhancing energy efficiency by decreasing thermal bridging and heat loss.

Comfort Improvement

Having roofing underlayment installed can help keep a home cooler in the summer and warmer in the winter. Occupants benefit from reduced draftiness and more stable indoor temperatures.

Energy Cost Savings

Proper roof underlayment installation can increase energy efficiency, which in turn can reduce heating and cooling costs. Homeowners can potentially increase the value of their property while reducing their need for artificial heating and cooling, saving money on energy costs.

What Factors Should You Consider When Choosing the Best Roof Underlayment?

Several factors must be considered when choosing the best roof underlayment for Annapolis, Maryland, roofing projects. Consider the following important factors:


Annapolis, Maryland, is subjected to various weather conditions, such as hurricanes, heavy rain, and very high temperature and humidity. Choose a roofing underlayment that is made to withstand these difficult weather patterns and protect better against rain driven by the wind and water getting in.

Roof Type

Roof underlayment requirements vary depending on the type of roof. Whatever type of roof you choose—asphalt shingles, metal roofing, or tile roofs—take into account how well the various underlayment choices work with it. Check the best underlayment that is appropriate for the installation and provides the best performance for your roof type.

Installation Method

Rubberized asphalt, felt, and synthetic materials like polypropylene or polyethylene are just a few of the materials used for underlayment. Each material has specific qualities and needs for installation. Choose a roofing material for your Annapolis, Maryland, roofing project that fits your budget, your performance expectations, and your specific needs by considering each type\’s advantages and limitations.

Felt underlayment, also referred to as asphalt-saturated felt, is a time-tested and economical choice. It serves as a thermal barrier and offers reliable protection against moisture. However, in extreme weather conditions, it may have limitations.

Rubberized asphalt underlayment is more waterproof, flexible, and durable. It\’s a great option for areas that experience heavy rain and extreme temperature fluctuations.

Superior tear resistance, lightweight properties, and moisture control are all advantages of synthetic underlayment. It is versatile and compatible with a variety of types of roofing and materials.

You can make an informed decision that meets the specific needs of your Annapolis, Maryland, roofing project by considering the climate, roof type, and the benefits of various roofing underlayment materials.

Call Our Roofing Contractors Today

Are you planning a roofing project in Annapolis, Maryland? Contact our roofing contractor at ERC Construction today! We\’re here to help you select the best roofing underlayment for your specific needs and keep your roof resilient against the elements. Call us now!