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ADCO Roofing and Waterproofing

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While you may see flat roofing on certain houses, it is more appropriate for commercial and industrial buildings. Flat roofing is more practical for certain situations and there are numerous reasons to use flat roofing designs. Once you know that you want to use a flat roof, there are certain things to be aware of before choosing the specific system. You want to consider the roof that will provide the best value overall as well as most usefulness to the space underneath the roof.

Duro-Last® Roofing

This is a brand name with a great reputation in the roofing industry. The systems have a proven history of long-lasting value and durability and are relatively simple and inexpensive to install. Duro-Last roofs also require very little maintenance which adds to their appeal and with regular inspections, provide solid coverage for a long time, typically longer than what you may expect from a roof.

Roofing Membranes

Membranes are essential to any flat roof and they are typically held in place with either gravel or rubber on top, nails or glue. The membrane essentially protects the inside of the building, so anything else added to the system is there to protect the membrane.

Thermoplastic (TPO) membranes

TPO membranes are well designed, planned and manufactured so as to deliver years of protection. The manufacturing process involves environmentally friendly concepts and is such that the roof is able to expand and contract with the weather changes. This protects it from becoming dry and brittle or easily damaged with extreme conditions.

Rubber Membranes

While these provide the same function as TPO membranes, the method is a little different. These work harder than TPO, rather than “smarter” and push the weather away from your inner roofing and building.

All options work well so it is best to speak with a contractor to determine what you should use for your specific needs and project. The experience and knowledge of a professional contractor will be your best bet in choosing the best roofing style and design.
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Homeowners or business owners do not always give much thought to roofing until there is a problem. To the average person, there may seem to be little difference between a residential roof and a commercial roof. There are, however, some critical differences between these. That is why you need a trained, knowledgeable roofing contractor who knows and understands the differences.

When you have or suspect you have a leaking roof, it’s imperative that you choose the right roofing company. You certainly want to get the proper materials and design for your home in your area, in terms of climate, exposure, purpose, and style. For those reasons, you want the services of a company that understands the differences between commercial and residential roofing.

The Purpose of Roofs

Primarily, of course, the purpose of a roof is to protect our homes and commercial structures from rain and other natural elements. In addition to protection from inclement weather, residential roofs are visible and homeowners today have many decorative choices. Having an attractive roof can help a home appear more desirable to you and to others, and when a homeowner decides to sell, it can increase the value significantly.

Commercial roofs are normally above the line of sight, so appearance is less important. Most commercial roofing is designed for function. It is business like and little or no consideration is given to decorative colors or patterns. Nevertheless, there are many options available for commercial roofing as well, and your professional roofing company can help you understand the differences, according to your specific needs.

Design Options

Since most commercial roofs cover larger areas, they have to be strong enough to carry the weight of ancillary equipment that has to be considered in most commercial installations. These roofs may have the weight of heating and cooling systems, large signs and other installed equipment or pipes. Another consideration is that most commercial roofs are flat in design and being flat, requires more maintenance, as water is more likely to pool.

Necessary Skill

Residential roofs are normally sloped. They allow rain and snow to slide easily downward. This type of construction also makes a residential roofing relatively easy to install. Aside from the chimney, few obstacles obstruct the workers’ path during installation and many residential roofs are installed within a day.

A commercial roof frequently presents more obstructions. There can be external piping, smokestacks, cooling and heating installations, communication equipment and other obstacles depending on the type of business being conducted at a given site.

To ensure the right materials and installation abilities, it is necessary to find the right roofing company. Every pipe is a place for a leak to potentially start. The right roofers make sure that these installations are properly taken into consideration to ensure that the entire roof will remain intact and leak free for years to come.

When you need a new roof for your commercial or industrial building, you should call Adco Roofing and Waterproofing. You’ll see that you’ve made the right choice in choosing a roofing contractor with the experience, the reputation and the ability to handle the most complex installations or repair.
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Proper maintenance of your building’s roof is essential for the safety of the occupants and to ensure longevity. Extensive damage that is not taken care of can result in structural damage to both the interior and exterior of your building. The best way to avoid these costly damages is to perform annual inspections. You can look over your roof initially to identify any trouble areas, but ideally, you need to hire a professional to thoroughly inspect for serious and underlying problems.

Most people do not realize that much of a roof’s damage comes from the inside so checking the condition of the attic is essential. Make sure all insulation is in optimal condition and repair or replace any areas that need upgrading. Humidity can become trapped in a poorly insulated attic, and this leads to structural damage to the roof and building interior. Adding additional insulation is also a great way to prevent humid air from collecting and lowers your energy bills.

When it comes time to look at the exterior roofing, there are a few key things to look for. Should you notice any problems such as those listed below, contact a professional roofer to come and perform a full inspection. These are troublesome signs that you need to bring to a roofer’s attention right away:

Broken or curled shingles, especially around the edges of the roof where they are more prone to lift and wear
Buildup of debris along the surface and at the edges or gutters, which can interfere with proper water drainage. Pooled water causes leakage into the interior of the building
Look for moss growth which could indicate the presence of rot below the surface
Cracking or missing sealant along the vents, skylights and flashing
Blistering of materials, which indicates insulation problems as well as material defects
Loose, broken or missing shingles will leave exposed spaces and should be repaired or replaced right away

If the repairs are small such as repairing missing or broken shingles, then you can likely handle this yourself. For any more extensive damages or wear, you need to bring in a professional to conduct an additional inspection. Often a complete roofing replacement is needed and this is best left to us. Call us today if you notice any roofing problems and we will perform an inspection and offer the best solution for you.
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We are a Featured Contractor in the Roofing Contractor's May issue! Check it out and learn our story.
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Your roof exists to protect the space below it from water and other elements. Keeping water from soaking into building materials is crucial to maintaining the integrity of the structural components that make up the framework of any building, commercial or residential.

Making sure that buildings remain dry also avoids the dangers that can result when interiors become wet. Chief among this potential damage is mold growth and damage; a risk that increases when the mold spores found both inside and out are exposed to moisture. Microbial growth damages standard building materials and can also threaten the health and well being of individuals inside.

Ensuring Drainage With A Flat Roof

The key to keeping buildings dry under a flat roof is to be sure that rainwater and other precipitation drains freely and completely off the roof. Since flat roofs do not have the pitched sections of a traditional roof, it is harder to guide the water off the roof.

Despite the relative difficulty of guiding water from a flat roof, a well-engineered one is able to drain the water efficiently. Even though a flat roof does not appear to have a slope to it, a properly constructed flat roof surface will have a slight angle built in to direct the water pooling on it towards the drain and gutter system.

The Importance of a Proper Drainage System

Clearing out clogs in the gutters and downspouts on a flat roof is critical for proper drainage. If the built-in drains fill with debris, they dam up the water, resulting in the rainwater, slush, or snowmelt rising ever higher on the surface of the roof. Eventually, the moisture finds a way to seep into the building structure through a seam, damaging the areas where the water then migrates.

A flat roof will also have internal drains if it covers a large area. These drains carry water away from the center of the roof and ultimately send the water into the gutter and downspout system through conduits. These internal drains also must be maintained consistently to work well, meaning any residue and debris must be removed to allow the water to flow.

Often a flat roof has one or more fixtures called scuppers that direct the flow of water from the roof through a parapet or low wall encircling the flat roof. Frequently seen where the flat roof is also used as a terrace or deck, the scupper is essentially a culvert or small tunnel which collects and then moves water off the roof and into a drainage system. Scuppers must be clear of leaves, loose gravel, or any other substances that may prevent water from moving. They also can corrode or form cracks over the years, so will require repairs or sealing to prevent water from moving into the interior of the building rather than through the scupper and into a drain.

Maintain and repair the drainage system associated with your flat roof to avoid water damage. Seek professional help if a general cleaning does not resolve the problem.
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The only way to get value for your investment and keep your property safe is to find and use the best roofing materials. There are several things you should know when selecting a roof or changing your current one. Although many will focus on price, there are other features such as the lifespan of the roof, the climate in your area, and maintenance requirements. You can select from the many types offered on the market and get one that best suits your roofing needs.

Commercial roofing systems

It is imperative to know the available roofing systems types when planning to design a new building. The same applies when you have plans to change the roof of your building. You need to familiarize yourself with the three components of each one of them, beginning with the low slope commercial roofing systems.

Watertight layers: This is an essential element. It helps to block water from entering the roofing system that could damage and cause it to rot quickly.
Surfacing: These components assist in defending and strengthening the watertight seal. It shields the roof materials from sunlight and weather. It also enhances fire resistance and possesses solar reflective properties.
Reinforcement: These are components that enhance stability, strength, as well as puncture resistance to the membrane. They are also long-lasting.

Thermoplastic systems

The popularity of Thermoplastic roofing systems is growing fast due largely to their durability. Thermoplastic systems are made from durable materials and have several beneficial properties. These include resistance to ultraviolet lights, ozone, and chemical exposure. Thermoplastic roofing systems are designed to last more than 20 years as they can withstand high temperatures and exposure to harsh elements. The most common thermoplastic systems are PVC and TPO.

Green roofs

Although thermoplastic systems are growing fast in popularity, green roof has had the highest popularity surge. It is likely that the significant increase is due to the benefits it offers, including:

Conserves energy
Lowers the urban heat island effect
Increases the longevity of roof membranes
Reduces noise and air pollution

Due to the continuous upsurge in electricity bills, renewable energy is becoming more preferred and widespread in recent years. Most home owners are using these developments to make sure they have excellent roofing structures such as Photovoltaic Solar Panels. The PV solar boards are utilized to save energy while saving you money. Its key roles are to convert light into energy so that it can light up the house.

Modified bitumen systems

The roofing industry faced further remarkable improvements that transformed asphalt. The advances resulted in the development of SBS (Styrene-butadiene-styrene) and APP (Atactic polypropylene). These are referred to as modifiers. Due to their inclusion, it became easy for builders to benefit from the improvement in the old asphalt roofing structures. This meant installation of industrial roofing with higher performance membranes. There continue to be changes in this sector resulting in further innovative methods that use this technology.

Built-Up (BUR) system

BUR system acquires its name from base sheet built constructions. The roofing systems are constructed from the ground up onsite and include smooth asphalt built-up, either hot or cold, and ballasted asphalt built-up. All types are generally comprised of three parts: bitumen material, ply sheets, and one or more surfacing materials. The type of surface coating used can be instrumental in cost and durability.

EPDM roofing system

This is among the most straightforward roofing systems. EPDM structures are considered superior in terms of permanency, versatility and are known to have a lengthier lifespan when compared to others.

Whether you want to have SBS and APP modifiers, Green Roofs, BUR, Thermoplastic or EPDM roofing, they are all good for commercial roofs. Before you decide, make sure you know the difference between the roofing systems, as this can help you to identify the key benefits as well as any drawbacks that you may encounter after installing them.

The type of the roofing system you choose can contribute a lot and make a great difference in terms of expenditure and first investments. Not only that, but it will create a difference in the cost of your maintenance and repairs. As a building owner, you should consider the cost savings over the years and select a roofing system that works to decrease effects such as urban heat island effect. Protect your investment and the people you love with the best roofing material.
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Attention beer lovers! Anheuser-Busch (Budweiser) in Van Nuys will open its doors to the public this summer. We just finished some roof repair and replacement on some of their buildings so only the beer can "leak" through the pipes.
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Due to our continued success and steady, year-around work load, we are looking for SKILLED SINGLE-PLY INSTALLERS. We are looking for honest, hardworking, motivated men looking for a long-term stable position with room to advance.

ADCO Roofing & Waterproofing is a commercial and industrial roofing contractor servicing Southern California with offices in North Hollywood and Orange. Our company was established in 1989 and has completed 1000s of projects, including landmarks, such as The Forum in Inglewood, for example.


- Consistent work year around (no matter if it rains or shines, unlike most of our competitors, we are always busy!)

- Great pay

- Overtime and weekend pay

- Referral bonus

- Employee of the year bonus

- Safety training

- Safety gear

- Uniforms

- Advancement opportunities

- Friendly, family atmosphere

- Did we mention steady work year around?

To learn more about ADCO Roofing & Waterproofing, please visit our website at
Read about employee success stories at

For other job openings, please look us up on indeed dot com. Thank you and we hope to hear from you.
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When it comes to designing the perfect commercial or industrial building, there are a lot of roofing options to choose from. However, one of the most popular options is flat roofing. Sure, multi-dimensional roofs may seem more avant-gard, but if you want to ensure that the structure has integrity, the best option to go with is a flat roof because of how practical they are. Not only can this be a very safe option, but it can also offer a lot of value.

Duro-Last Roofs

If you are in the market for a roofing system that you don’t have to replace often, then you should definitely consider Duro-last. The Duro-last roof has earned a reputation for being both long-lasting and durable. However, one of its most attractive features is the cost. This brand not only offers a considerable amount of value, it also happens to be extremely affordable. When it comes to maintenance, it does not require as much upkeep as other brands do. Keep in mind that you will need to inspect it from time to time, just as you would with any other brand.

Membrane Roofing

One of the most important elements of any flat roof is the membrane. There are a lot of different combinations that could hold the membrane in place like glue or nails, gravel or rubber. There may be other components added to make sure that the functionality of the membrane remains protected. Ultimately, the membrane is what shields the inside of your building from all outdoor weather conditions.

Thermoplastic Membranes

If you need a roofing system that can stand up to harsh weather condition, thermoplastic membranes may be just the thing you are looking for. Thermoplastic roofing systems also referred to as TPO, are extremely unique in that they are designed to adapt to the weather. Unlike the average roofing system, this one produces a membrane that contracts and expands when outdoor conditions are extreme. This ensures that your roof stays in great condition and does not become dried out and brittle. This well-planned environmentally friendly design makes it the perfect option for those who want to avoid physical damage from extreme weather conditions.

Rubber Membranes

If you take time to compare the differences between thermoplastic membranes and rubber roofing, you will find that the two are quite similar. Rubber roofing membranes are similar to thermoplastic membranes in that they are designed to help your building withstand harsh weather. However similar they may seem, they perform the vital functions in entirely different ways.

You see, unlike TPO that is built to adapt as weather conditions change, rubber membranes work to keep the weather off of the building altogether. Some may even say that the roof is resistant to harsh outside conditions. While both the TPO and the rubber membranes can be valuable, in most cases, it is best to consult with a roofing contractor to find out which option is best for you because everyone has different needs.
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When it was time to replace the roof on multiple buildings at Oakwood Toluca Hills Apartments, we have submitted a proposal and got the job. The following buildings have been replaced with a mechanically attached Sarnafast S327 PVC membrane over DensDeck: buildings B, D, L, N, U, Z, North Clubhouse and South Clubhouse. This video is of building "U".

Benefits of the S327 membrane are:
- Vapor permeable
- High breaking and tearing strength
- Highly flexible
- High mechanical strength
- Weather and UV resistant
- Energy efficient, highly reflective
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