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3 Best Adhesives For EPDM Roofing (Updated)
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3 Best Adhesives For EPDM Roofing (Updated)

Posted on February 8, 2024

Estimated Reading Time : 5 Min.

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3 Best Adhesives For EPDM Roofing (Updated)

EPDM roofing has gained widespread popularity in residential and commercial construction due to its remarkable durability and lasting performance. However, maintaining the longevity and effectiveness of an EPDM roof depends on selecting the appropriate adhesive for installation and upkeep.

That’s why, in this blog post, we will explore the significance of choosing a high-quality adhesive for an EPDM roof, and assess three leading adhesive options currently on the market.

Why Are People Choosing EPDM Roofs?

Ethylene propylene diene monomer, better known as EPDM, is a popular commercial roofing option in the industry because of the advantages it offers business owners. These synthetic rubber membranes are incredibly affordable, environmentally friendly, and durable. 

Given their resilience, commercial buildings can last over 50 years in tough weather conditions like strong winds, hail, and temperature changes. Since it is non-toxic and recyclable, EPDM is highly valued for its eco-friendliness as well. 

It’s also less expensive than alternative options like metal because of its lightweight design and low expense. EPDM roofs are made of large sheets that have a seamless design that reduces the number of joints and seams, improving aesthetic appeal and lowering the possibility of leaks and water damage. 

The excellent combination of longevity, environmental friendliness, affordability, and ease of installation and maintenance that EPDM roofs provide makes them one of the top options for a variety of roofing applications.

> Durable: EPDM resists harsh weather and UV rays, and needs little maintenance

> Eco-Friendly: Recyclable EPDM lasts up to 50 years, reducing waste

> Fire-Resistant: It slows the spread of fires, boosting safety

> Affordable: EPDM is one of the most affordable commercial roofing materials 

> Easy Install: Lightweight, so it reduces the risk of leaks during installation

However, for sheets of EPDM to be installed properly and provide effective protection and all the benefits explained here, you need a durable, quality adhesive. 

The Top 3 Most Effective Adhesives For EPDM Roofing 

Now that you know why people choose EPDM roofs for their property, let’s learn more about the three best adhesives that can be utilized for EPDM roofs. 

1. EPDM X-23 Low-VOC Bonding Adhesive By Carlisle Syntec Systems

EPDM X-23 Low-VOC Bonding Adhesive By Carlisle

The high-strength, solvent-based EPDM X-23 Low-VOC Bonding Adhesive from Carlisle securely attaches EPDM membranes to a variety of porous and non-porous surfaces. Ensuring environmental compliance, this product satisfies the strict VOC content requirements of the OTC Model Rule for single-ply roofing adhesives. 

It can be used for application on many materials, such as masonry, different metal finishes, APA non-fire treated plywood, oriented strand board, wood fiberboard, DensDeck® Prime, SecuROCK® and SecurShield® polyisocyanurate insulation, along with others. 

With just a 9-inch medium nap roller, the application of EPDM X-23 Low-VOC Bonding Adhesive is easy and provides a solid adhesive bond between both the membrane and the substrate.

Features And Benefits

> Strong Bond: This adhesive causes EPDM to stick firmly to various membrane surfaces.

> Environmentally Friendly: It has low VOC content, meets regulations, and is eco-friendly

> Compatibility: Works with many materials like insulation, plywood, masonry, and metal finishes

> Easy Application: Apply with a 9-inch roller for quick and simple installation

> Faster Dry Time: Dries quickly, improving productivity

> Strong Adhesion: Creates a sturdy and lasting bond

2. ChemLink Single-Ply EPDM Adhesive

Another reliable roofing adhesive that you can choose is the Single Ply EPDM Roofing Adhesive by ChemLink. It’s solvent-free and non-water-based, ensuring a strong bond for your EPDM rubber roof without needing multiple coats.

Its single-coat application saves time and effort, and the best quality is that it’s immune to freezing, so you can store it worry-free, even in cold temperatures. With no odor, it’s also suitable for all job sites and approved for use in every state.

This adhesive meets all the regulatory requirements by meeting the OTC Rule for Adhesives and California Regs CARB and SCAQMD requirements and is free of cancer-causing chemicals, so you can trust it’s safe for all your roofing projects. 

Even in difficult situations, installation is simple thanks to its moisture-cure formula, making it a solid option for your roofing needs because of its strong bond to a variety of surfaces and low volatile organic compounds (VOCs).

Features and Benefits

> 100% Solvent-Free: No shrinkage or need for a red label

> Labor-Saving: Reduces installation labor by up to 50%

> Single-Coat Application: Only needs to be applied as a single coat on the roof

> Odor-Free: Produces no odor during application

> No Mixing Required: Ready to use without any mixing

3. Universal Bonding Adhesive 8800 By Lucas

Universal Bonding Adhesive 8800 By Lucas

As for the last option, another great choice is the Lucas #8800 Universal Bonding Adhesive. This low-VOC, water-based contact adhesive is designed to firmly attach single-ply membranes, such as EPDM, TPO, and PVC, to a range of roof deck materials making it ideal for all your roofing needs.

This water-based adhesive, which is made of strong, flexible polymer resins and additives, offers long-lasting adhesion on clean surfaces without the need for primer. This product works well on a variety of surfaces and can be applied with ease using a squeegee, roller, or spray, making it a homeowner’s favorite. 

With its quick drying time and strong adhesive, this product maintains VOC compliance while guaranteeing a strong bond without the hazards of flammable solvent-based adhesives. Its versatility is further proven by its compatibility with metal, OSB, recovery board, and foam board. 

Features And Benefits

> Versatility: Secures different single-ply membranes for varied roofing needs

> Low VOC: Meets eco-standards with minimal volatile compounds

> Compatibility: Bonds well with TPO, EPDM, and PVC roofing materials

> Ease of Use: Applies and cleans up easily as a water-based adhesive

How To Choose The Right Adhesive

To pick the best adhesive for an EPDM roof, think about the kind of membrane you have and the surface you’re sticking it to. Here’s what you need to know:

Membrane Type

> Plain Membranes: PVC, EPDM, and TPO usually need contact adhesives. Some have water-based options.

> Fleece-Backed Membranes: These typically use polyurethane adhesives that cure with moisture. You can get them with or without solvents.

Types Of Adhesives

> Water-Based: These are eco-friendly and easy to use, good for bonding EPDM to different surfaces.

> Solvent-Based: They provide a strong initial bond, great for tough jobs, but you need good ventilation.

> Contact Adhesives: They stick instantly and work well for big areas.

> Tape Adhesives: These come in strips and are handy for sealing seams.

Things To Think About

> Surface: Learn whether your surface is porous or not before choosing between water-based and contact adhesives.

> Application: Consider how easy it is to apply, how long it takes to dry, and any environmental concerns.

Conclusion 

Selecting the right adhesive is crucial for the durability of any EPDM roofing system. With accurate installation and maintenance, an EPDM roof installed with the correct adhesive can offer your building the best protection. At All Around Roofing, Siding & Gutters, Dayton’s premier commercial roofing company, we provide comprehensive commercial roofing solutions, including installations, repairs, replacements, and inspections. With over 40 years of experience, our certified roofers ensure top-quality service, helping you choose the ideal EPDM roofing system. Contact us at (937) 902-2839 for a free consultation today!

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