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ADCO Roofing and Waterproofing

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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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We've been working at Oakwood Toluca Hills replacing/repairing many of their buidings' roof. Here, on building "U", we're putting on a brand new PVC roof. The manufacturer is Sarnafil. As of today about a quarter of the roof is ready. #roofing
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While most commercial roofing is designed to withstand the elements, leaks and damage can occur over time. The best way to deal with leaks and water damage is to prevent them before they happen. Even if you live in a mostly sunny climate, rain does happen. The weather may not be controllable, but the better prepared you are, the better off your commercial or industrial building will be.

Top Tips to Prevent Roof Leaks and Water Damage

Small leaks can turn into big problems, such as rotting wood, mildew and mold as well as larger leaks. Most small leaks are not easily detected to the untrained eye which is why it is important to schedule regular roof inspections for your property. When it comes to leaking protection and prevention, here are the top tips to remember:

Regular inspections: Hire a professional contractor to perform an inspection of your roof periodically. They are better trained to identify small problems and potential dangers and can repair them before they get worse.
Damaged shingles: Should you notice any damaged or missing shingles, you need to get these replaced immediately.
Gutters: In the event, there is any snowfall or ice, be sure to check your roofing for ice dams as these can block your gutters and allow backwater to flow under the shingles.
Flasing: The majority of leaks occur at the flashing but the good news is that repairs and replacement are simple. So long as you regularly check the flashing, you can prevent small leaks from turning into larger ones around your chimneys and vents.
Plants and Trees: Trees and shrubs welcome algae and moss so need to be kept at a distance from your building. While they do add a certain aesthetic appeal, they need to be kept far enough away from the building so as not to spread mold or scratch the roof surface.

No matter how prepared you are, know that leaks can still happen. If you notice a leak in any part of your building, contact us right away. We will inspect the damage and offer a full evaluation of the work you need. We guarantee to get your roof back to optimal with as little disruption to your business as possible.
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Every homeowner should regularly inspect their roof. You need to be prepared for there to be damage sometimes that your untrained eye cannot see. If you have concerns about your roof but do not notice any obvious signs of damage, schedule a roof inspection. A professional is the best way to make sure your roof is secure.

If you notice that your roof is leaking or you see water damage it is important to find out the cause and extent of the damage right away. In particular, after heavy storms, you want to check for leaks and damage. Even though you are capable of identifying some damage, there might be more subtle causes that you miss such as shingle deterioration, rot, and improper flashing. Additionally, if you are not used to climbing tall ladders, then this is not a job you want to take on. Falls from ladders account for 43% of deaths according to the CDC. You need to consider hiring a professional.

An accredited roofing company will have the knowledge and experience to thoroughly inspect your roof and assess any damage. They will also provide a quick and simple report of what you need to do next, which saves you time and money. There are a number of key factors that will be part of any roofing inspection.

Obvious signs of damage: Roof inspections look for visible deformations in structure as well as any dirt or debris that may have built up. They look for standing water and damaged gutter systems as these are all in need of immediate attention.
Exterior components: The chimney, vents, decking and drip edges need to be looked at to make sure there are no missing components or rot. Leaks form easily around chimneys and skylights and if left untreated, they can cause severe damage to the underlying materials. This will end up being a much costlier repair.
Visit the attic: Without regular maintenance and inspection, the interior of a roofing system can be seriously damaged. Even when you see signs of water damage, the actual cause can be located in an entirely different area. The longer the roof goes without inspection, the more damage you are likely to have, so all interior and exterior parts need to be thoroughly checked.

Getting a Reputable Roofer

It is extremely important that you hire a reputable and experienced roofer. There are ways to avoid roofing companies that may be running scams so you want to take this seriously. Always ask to see the business license up front and do some research on the company. You can check with the Better Business Bureau as well as look up testimonials. Any trustworthy company will be able to show you their license and insurance paperwork without question.

We are fully licensed, bonded and have years of experience and happy customers. You can have any references or testimonials you need and we are listed in many local and national databases as a solid recommendation for your roofing needs.
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You can’t assume that your roof is the same age as your building and it is a good idea to know the exact age. For the most part, a well taken care of roof can last decades providing harsh weather does not cause serious damage. Whether your roof is old or new, it is good practice to start looking after it regularly. Any damage you may find needs to be addressed right away otherwise it can damage the structural integrity of your home. Get to know your roofing material so that you can prepare yourself for how long it will last and learn the best ways to care for the roof you have.

It’s all about the materials

The majority of homes have asphalt or composite shingles which can last up to 20 years. Premium brands can even last as long as 50 years. Fiber cement roofing will last close to 25 years and architectural asphalt and cedar shake lasts about 30 years. For really long lasting roofs, you want metal which can last between 40 and 80 years. And lasting even longer, with a range between 80 and 100 years is slate and tile.

Weather can damage anything

Even the most durable of materials like metal and slate can be damaged by harsh weather. Exposure to certain conditions can gradually wear away anything. Harsh winds can puch shingles up across their edges or pull them off completely. Missing shingles allow those nearby to become more vulnerable to the elements. Strong winds can cause suction and pull materials from the surface depending on the airflow of your home. It can also cause other objects such as trees to come down on the roof, loosening or cracking them.

Hail is the number one cause of damage in terms of weather because it is the equivalent of stones being thrown at your building. The ice balls can dent metal, crack tiles and wear away asphalt shingles. Even though most materials can stand up to small hailstones, it is recommended that you check your roof after any storm.

Most roofing and endure snow and ice but heavy conditions can lead to cracking. When the snow melts, it can seep into the cracks and refreeze once underneath. This expansion causes shingles to shift to shift out of place and can weaken tiles. The sn can even case wear over time because the string UV rays can break down materials with constant exposure.

When it’s time for repairs

It is a good idea to regularly check your roof for signs of aging or damage. Check to see if the shingles have curled at the edges or buckled and look for any cracks or missing pieces. If you have an asphalt roof, damage can be detected if you notice granules in the gutter. Slate and tiles can end up with punctures and when weakened will show surface flaking.

Look for damaged flashing around your chimney, vents and low valleys because rust and dents can allow water to seep through. You also want to check for mold or fungus growth. Wood shake is vulnerable in wetter climates because over time it absorbs water so it can grow mold quickly or start to split. Be sure you check the roof from the inside too by checking the attic for leaks. Use a flashlight to find any stains or wet spots.

If you discover any damage, there is no need to panic because you may not need to replace the whole roof. You need to get the damage looked at right away and assessed by a professional so you can evaluate the repair options. We will thoroughly evaluate your roof and provide a fair estimate of what needs to be done. The most important thing to remember is that regular maintenance and inspection is the key to a long life for your roof.
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Currently ongoing roofing job at the booze factory. :) Check it out!
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The roof is arguably the most important part of a building because it protects occupants and valuables from harsh weather conditions. In most cases, roofs are erected, repaired and maintained by professionals because if you do it yourself, you might end up doing it wrong or create a new problem. Therefore, you need to hire an experienced contractor to help you fix your roof problems in the event you have any. If you have a leaking roof, some of the main reasons why include:

Cracked flashing
Broken shingles
Valleys that are not properly sealed
Cracked vent booting
Skylights that are improperly installed
Ice dam build up on your roof
Cracked chimney
Clogged gutters

If you happen to notice water stains on your ceiling near or above your fireplace, you need to inspect your chimney flashing because it could be the cause. Water can leak into a building through the metal flashings which are placed along the corners, front edges and ridges of your roof. It is important to understand that metal flashings are installed where your chimney and roof intersect to create a watertight seal. However, if they are not properly installed, have been subjected to a violent storm or the sealant used has deteriorated, you may experience water leaks inside the building.

How to detect a chimney flashing leak

After noticing water leaks in the building or seeing water spots on your ceiling, you need to establish the cause and have it fixed immediately. If you know that your roof is not damaged, you need to verify that your chimney flashing is the cause so you can have it fixed. To achieve this, you need to run a low-pressure hose around the leaking region (around the chimney and roof intersection) and then check for any water leaks inside the building. This should be done by two people (one on the roof operating the hose and the other in the attic). You need to have constant communication using mobile phones or walkie-talkies to clearly establish where the leak is. Remember, when using a ladder and whilst on the roof, you should exercise extreme caution to avoid any injuries. If you cannot do it yourself, you can hire a reputable roofer.

When to replace chimney flashing

Normally, you should inspect your chimney flashings every 6 months to make sure they are in optimal condition. By having regular inspections, maintenance and repair of chimney flashings, you reduce chances of having a leak inside the building. If you inspect the flashings yourself and you notice they are rusted, missing, covered with roofing tar or visibly separated from the chimney, you need to replace them immediately. Finally, you are required to replace your chimney flashings every time you replace your roof shingles. This is to ensure that the flashings you’ve installed last as long as the new roof. If you replaced your shingles and fail to replace your flashings, you might end up having roof leaks even though your roof is in good condition.

How to repair loose chimney flashing

If your flashing is not rusted or missing and it’s causing a leak, you may have to replace the sealant to prevent further leaking. Here are some tips to follow if you decide to caulk it yourself:

You are supposed to remove all the leaves or any other debris that may have accumulated between the flashing and the chimney. This will facilitate your repair by allowing you to see the flashing properly
Then, use a chisel to scrape off hardened roofing cement that was used previously so that you can apply a fresh roofing cement behind the flashing
After applying roofing cement, attach the flashing tightly to the chimney with screws or masonry nails. This helps to make it watertight even during storms
If there are any nails or screws heads that are exposed, you should cover them using roofing cement
You need to apply roofing cement to the joint between the brick and the flashing and then use a paint stirrer or a putty knife to smooth the roofing cement applied

Unless the pitch of your roof is relatively low and you have the necessary tools, experience, and confidence to do it yourself, it is advisable to hire a professional. Leaks around the flashing can be very difficult to find and repair because they require roofing skills and experience. However, if it’s a minor flashing problem, you can go ahead and fix it yourself. Even so, if you have resealed the flashing and your roof is still leaking, hire a roofing contractor to inspect and repair your roof.
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Roofs are prone to deterioration, and factors such as hail, sun and wind are known to cause problems. Understanding the signs to look out for will enable you to notice signs of roof damage. Here are what to look for:


Normal rainfall cannot damage the roof unless it has already been undermined by other adverse weather conditions. In case the shakes or shingles are damaged, water might find its way through the cracks and holes. On the other hand, heavy downpour might wash away the granules, impairing the shingles.

In case your roof was designed poorly or some areas are inverted or flat, the pooling of water on the rooftop might spike potential problems. Surprisingly, an inch of rain water has an equal effect on the roof as that of five pounds on the roof. An average roof is designed to withstand an average of 20 pounds of weight. That means that it can only stand four inches of water; in case more pours on it, the roof might collapse.


Roofs are made to withstand tension and weight by disbursing it over the rafters or trusses. When tough winds hit the roof, they will not do so uniformly. Instead, their major effects are felt at the corners and edges. As the winds grow stronger and hit harder, the roof will weaken eventually thus allowing it to heat beneath the roofing material. In case the insulation parts are exposed, you will start noticing leaks that will eventually damage the house.

Roof damage from hail

Hail can be either destructive or harmless, depending on how severe the storm will be. In case the hailstones are too large, they might knock off granules from the shingles. The result is faster deterioration of the shingles over time, and might cause leakage. The pounding could also compromise the membrane that lies below the roofing material. That makes the whole roof to be more prone to water damage.

Excess heat

If part of your roof is metallic, you ought to consider the effects of excessive heat on your roof’s stress points. As the metallic parts are heated by the scorching sun, the panels will contract and expand. This results in excessive stress on the fasteners and seams.

Solar panels

With time, solar energy has become a popular option. However, solar panel installation might cause stress to the roofing system such as the shingles, rafters or sheathing. Installers are thus advised to stick to manufacturer’s instructions and directions. Discuss the implications of the installation before choosing to have the panel installed.

Tress and debris

It is possible to notice when a tree hits your roof, but you might never realize when branches and small twigs fall on the rooftop. The small debris slide off without leaving any evidence on the roof. Whenever any material falls on the roof forcefully, it might damage it. The damage is bound to fasten your roof’s deterioration. This leads to leakage and other issues with time.
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