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Insulation Systems for Low Slope Roofing

Low slope Roofs generally range from almost flat to 4-over-12. Deep trusses or beams that are separated from the roof joists are used to frame these roofs. Since the area between the ceiling joists and the sheathing is limited, it can be challenging to insulate a low slope roof properly.

While some builders use the same insulation methods that they would use for a big attic, they should have different tactics. For a vented roof, it is important that it is unvented first to protect the attic from the moisture-laden air. An unvented roof can be efficiently insulated in numerous ways from the interior or exterior or both.

Fiberglass or Cellulose

When it comes to low sloped roofs, ventilation does not work in the same way as it does in steeply sloped roofs, as the air does not travel from the eaves towards the top. This is why ridge or turbine vents are useless when it comes to low slope roof systems.

If there is a space of at least 18 inches between the roof sheathing and the top-floor ceiling, fiberglass or cellulose can be used for insulation and ventilation. This system only works if an adequately sized cupola is included in the middle of the roof.

Closed-cell foam and Vapor-permeable insulation

It is much easier to insulate unvented roofs and there are a few ways you can do it:

  • Exterior rigid foam: A thick layer, that is minimum 6 inches, of rigid-foam, is installed on top of the roof sheathing
  • Exterior rigid foam paired with interior insulation: A normal layer, about 2-4 inches, of rigid-foam is installed on top of the roof sheathing and that is accompanied with an air-permeable interior insulation (for e.g. fiberglass or cellulose) below the roof sheathing.
  • Exterior closed-cell foam: Closed-cell polyurethane foam is sprayed over the roof sheathing and is supplemented by an air-permeable insulation underneath the roof sheathing.
  • Interior closed-cell foam: Closed-cell polyurethane foam is sprayed on the bottom side of the roof sheathing
  • Interior closed-cell foam pair with an air-permeable insulation: Closed-cell polyurethane foam is sprayed on the bottom side of the roof sheathing and another layer of interior insulation, like blown-in fiberglass or cellulose, touching the cured foam, supplements this insulation.

Note: It is important to make sure that the foam used is adequately thick and can prevent the roof sheathing from dropping below the dew point in winters when installing both closed-cell foam and vapor-permeable insulation together.

Out of the several ways you can insulate a shallow roof, it is always easier to insulate the exterior. No matter which method is used, it is important that the insulation amount achieves the R-values required by the local code.

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Safety 101: Roof Rail Systems

The most effective threat managed by a service roof staff member is reducing the roofing, which could commonly create lasting injuries along with casualty. It is, as a result, required to secure these personnel from this risk as well as autumn safety and security must be executed inning accordance with the structure’s layout. Things can get even more interesting when putting up a different types of roofing system, such as Tesla’s solar powered roofs. 

Guardrails:

Guardrails are a sort of roofing system covering safety and security as well as safety and also safety and security system that is easy as well as after they get set up, the rails use a physical barricade to stay clear of the employees from lessening the roofing. OSHA ask for these rails to have a leading rail that mosts likely to the very least 39 to 45 inches high, a mid rail, along with a toe board to stop points from sliding down the roof as well as putting a threat to the personnel listed below. A guardrail needs to have the ability to hold up versus a marginal weight of 200lb acting in any type of sort of standards, at any kind of kind of kind of spot along the top side. These security rails are commonly put in the training place and the system typically trusts the nature of the side of the roof covering to be proper for protecting the challenges.

As a guardrail assurances that fall threats are absolutely gotten rid of, there is no need for a safety display screen or employee to adhere to the called for of fall security and security.

Generally, guardrails are used together with an additional system of loss defense, such individual fall agitation system.

In order to use this loss defense system in a secure ways, a wonderful training as well as installation regarding this system along with complying with the demands of loss protection while safeguarding the rails, along with eliminating them are necessary.

Setting up the security and protection of commercial roof tasks is extremely vital. It is needed that the site is checked out in order to technique and also exercise the preventative measure and also make sure that the employees are supplied with all the gadgets, recommendations, and aid that they need to secure themselves from loss threats.

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Volume vs Weight When Mixing – Roofing Industry

Spray foam material is packaged, sold and shipped on the basis of weight. Therefore, in order to figure the volume of a product packaged in the drum, transforming the weight of the item within the drum into gallons is required. To do so, the particular gravity or weight per gallon of product is needed info. There is likely to be a distinction in between makers, so verify with the item supplier to offer this info or if a scale is readily available, weigh the container initially.

 

Specific Gravity and per gallon weight of the liquid for some manufacturers are provided on the SDS or product information sheet (previously MSDS).

 

When the weight of one gallon of item is known, divide the weight (in pounds) of one gallon of the item by 8.33 lbs. (the weight of one gallon of water). This will provide the particular gravity.

When the specific gravity is known, increase the specific gravity by 8.33 (the weight of one gallon of water). This will supply the weight of one gallon of the product.

Utilize one of the two following formulas to figure just how much volume in gallons remains in the container:

 

INTERNET WEIGHT OF LIQUID/ (SPECIFIC GRAVITY * 8.33)= VOLUME (IN GALLONS).

Or.

NET WEIGHT OF LIQUID/ WEIGHT PER GALLON= VOLUME (IN GALLONS).

 

Numerous makers have actually made the required computations and have changed the drums appropriately while others have not. So, a little due diligence on our part will offer the needed information to determine how the products are packaged and help when confirming stroke counter limitations.

 

Learn more about the spray foam and poly product at www.ibcroofing.com

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Roofing Among Most Deadliest Jobs in America

Did you know that roofers are the # 4 deadliest task in the United States? That’s what a 2017 study exposed about a few of the most dangerous jobs.

 

Roofing isn’t really the only construction-related product on the list. It’s accompanied by building and construction workers and general upkeep employees, though roofing alone is already even more unsafe than both of those integrated.

 

In fact, the only tasks that were more lethal were logging, fishing, airplane pilots and engineers. When you think of roof being among those ranks, you really need to start taking sufficient safety measures to make sure office safety.

 

Do as much as you can from the ground.

 

With roofing software application, roofing professionals can do more from the ground than before. And, not only that, however it can likewise help enhance your workflow while on the roof to lower the amount of time on the roof.

 

By optimizing your workflow, you can gain the information you need at a minute’s notice. Improving input for things like producing price quotes or proposals in the field, conserve sales agents from climbing up roofs and decreases the time on the roofing system for estimating and production. Roof software application can become a main safety mechanism by decreasing time on the roofing and assisting your team stay safe.

 

If you have not invested in roof software application, you’re losing out on something that will bring higher safety, more sales, better margins, and peace of mind. Visit www.rimrockroofing.com for ideas and reviews on some of the latest roofing software available for roofing companies. 

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Why You Should Choose Spray Foam for Commercial Roofing

It’s no surprise that roofing systems get punished the most, compared with other parts of a building. Structurally, if the roofing system is not built with a strong application, the outcome can be devastating. Spray Foam is a feasible alternative to many roof applications. Having been around for almost 60 years, spray foam roofing applications have actually improved over time and showed their durability. Here, we talk about some of the benefits of using Closed Cell Foam for roofing applications.

 

Wetness barrier

Closed Cell Foam works as a wetness barrier, avoiding water from soaking into the pores– a crucial function of any roofing. The high R-Value that Closed Cell Foam possesses, after the Resin and Isocyanate remedy, decreases the area between the compounds– leading to a strong moisture barrier. It’s continually linked surface secures the roofing system versus water damage and seepage.

 

Building reinforcement

Whether it’s used for a residential or commercial structure, spray foam includes support to any building. Spray foam insulation increases structural strength of residential and business buildings by as much as 300%. The chart below programs the increased Racking Load in a house tested with both fiberglass batt insulation and spray foam insulation– a clear indication that structural strength is increased when using spray foam. (NAHB).

 

High R-Value

Closed Cell Spray Foam has the highest R-Value of any insulation, which is an advantage in itself. Not to mention, most other roof applications do not function as an insulator.

 

Durability of roofing system

SPF Roofs tend to last longer than lots of application methods. In fact, spray foam has been checked in high cyclone winds in Miami, Florida and proven to withstand the damage. Depending upon the spray foam producer, foam is expected to last on an industrial roofing for years longer than completing applications.


To get more information about spray foam insulation for commercial roofing systems, visit www.roofingadvanced.com

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Prepare Your Roof For the Winter Season.

With winter right around the corner, its time we all start preparing our house for the change of the season. Among the most susceptible parts of your home is the roofing, which can sustain damage from wind, snow, ice, heavy rains, and fallen trees. Failing to make needed repair work is one reason a roof can fall victim to the elements. Here are some things you need to do prior to the snow flies as well as the finest roof products from Consumer Reports’ tests.


Be sure to visit www.wgroofing.com for additional ways to prepare your roof for the winter season. 

 

Many types of severe weather can put added stress on roofings, from high-speed winds ripping off shingles, heavy debris and ice getting caught in rain gutters, to the weight of excess snow. As we prepare for fall and winter, there’s no much better time to inspect roofings for damage, make any required repairs and clean the rain gutters to assist prevent a few of the most common causes of damage that happen.

 

Use these following actions to ensure your roof is in good condition and to prevent prospective damage:

 

·      Trim trees and remove dead branches so they won’t harm your home if they fall because of wind, ice, or snow.

·     
Clear rain gutters and downspouts of particles. As the leaves fall, make sure they aren’t developing in the gutters.

·      Check for any roofing system damage. Take notice of surface bubbles and locations with missing gravel on flat roofing systems, or missing or harmed shingles or tiles on sloped roofing systems.

·      Add extra insulation in the attic to guard against ice dams. When too much heat gets away, it can melt the ice and snow on the roof. When it refreezes, it can trigger an ice dam, causing water to support into your home.

·      Check the flashing on the roof to make sure it’s in good condition to assist prevent water penetration.

·      If your roofing system needs replacing, consider impact-resistant roof materials, particularly if you live in a hail-prone location.

 

The highest ranked roof products in a nationwide test.

 

In a Consumer Reports’ roofing tests, high stress tests were done to simulate the high winds, temperature extremes, hail, and falling branches that a roofing undergoes. Together with exposure to ultraviolet light to mimic the fading impacts of sunlight. Here is how they graded out.

 

Owens Corning Berkshire Collection, $225 per 100 square feet, and CertainTeed Grand Manor, $325, are tied at the top of the roof Ratings. Both were exceptional in strength and impact tests although the Owens Corning was a bit much better than CertainTeed on the weathering test where the shingles go through water spray, heat, and ultraviolet light. Both brands likewise made the list of Best Buys consisting of Owens Corning Oakridge, $68, and CertainTeed Landmark, $70. Both did extremely well on the strength, effect, and weathering tests.

Shingles from Tamko and Atlas likewise rated highly for leading roof picks. Remember that some installers may push specific brands. But provided the wide differences in overall quality that were found, recommendations for you to insist on the roof you want, even if you have to pay additional for an unique order or hire a different installer.

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Ways to Stop Home Fixing Scams and Disagreements

Springtime is prime time for residence fixings, and that makes it prime-time television for outright frauds or irritating conflicts. You could take action to avoid both troubles.

House repair work rip-offs by traveling con-artists function such as this: Con-artists knock at your door, give you a hard sell, and deal mind-blowing low cost. It may be for roof covering or painting, tree-trimming, or asphalting your driveway with product apparently “left over” from a task nearby. The con-artists firmly insist that you pay beforehand, yet they do little or no job and never return. Remember, reputable specialists very hardly ever solicit door-to-door. Be doubtful. The primary policies are to check out a contractor, and never pay large sums in advance to a service provider you don’t know. Assist older next-door neighbors that might be pressured or daunted right into paying traveling con-artists.

A few ‘bad-apple’ regional contractors also take huge development repayments yet fail to do the job, or do simply part of a task or very shoddy job. This is difficult to show as fraud, yet it’s expensive as well as discouraging. Comply with these tips to protect on your own when you hire a professional:

·  Look into a professional contractor before you sign a contract or pay any cash. Demand local references and check them out. Contact the Chief law officer’s Workplace to see if they have complaints, or get in touch with the BBB. You could additionally contact your region clerk of court and ask the best ways to inspect if a specialist has been taken legal action against by dissatisfied consumers.

·      Be extremely mindful of debt or funding set up by a service provider. This is an area of severe abuse by a couple of contractors in Iowa that prepare credit score with high-cost lending institutions. Such fundings may have high interest rates, high up front fees, hidden expenses, and even expensive brokers’ charges. Be wary of offers to incorporate credit-card debt or other financial debt into a second mortgage. Examine initially with your attorney or a local loan provider you could rely on.

·      Beware of high-pressure sales methods such as “today-only” price cuts, provides to use your residence as a “screen house” for substitute house siding or windows, and also “life time guarantee” systems that just last for the life of the firm. Always get several composed price quotes, search for the best offer before making such a large financial investment.

·      Avoid paying large amounts ahead of time if you don’t know the contractor. If you need to make a partial breakthrough repayment for products, make your check out to the supplier and the contractor. Demand a “technician’s lien waiver” in case the service provider fails to pay others for materials or labor.

·      Before any type of work begins, settle on a composed contract outlining work to be done, obligation for licenses, costs, and any other guarantees. Request a duplicate of the contractor’s liability insurance certification. Put begin and also completion days in composing, as well as repercussions if the service provider fails to satisfy them. (Instance: the agreement could be squashed if the contractor does not start in a timely manner.) If you sign a contract at your home, in many cases you have 3 business days to terminate.

Get more Roofing news and insights by visiting www.advance-roofing.com

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Copper Is the Solution for Challenging Residential Roof Restoration

Copper Is the Solution for Challenging Residential Roof Restoration

This home in Alexandria, Va., was retrofitted with a copper double-lock standing seam roof system

This home in Alexandria, Va., was retrofitted with a copper double-lock standing seam roof system installed by Wagner Roofing. The 16-ounce copper roof panels were 17 inches wide. Photos: Landmarks Photography—Jay Stearns

“We like the tough jobs,” says Dean Jagusch, president and owner of Wagner Roofing Company. “We like the intricate jobs.”

Headquartered in Hyattsville, Md., Wagner Roofing has served the Washington area market for more than a century. “We specialize in historic restoration and innovative architectural roofing and sheet metal,” Jagusch notes. “We’re full service. We do slate, copper, tile, and have a low-slope commercial division as well. But our trophy stuff tends to be of the steep-slope variety.”

A recent residential restoration project in Alexandria, Va., certainly qualifies as “trophy stuff,” taking home a North American Copper in Architecture Award from the Copper Development Association (CDA) in the “Restoration: Roof and Wall” category.

It’s easy to see why. The origami-inspired design features multiple roof angles, but the daring design was problematic. Even though the home was relatively new, the owners were plagued by leaks. Along with Restoration Engineering Inc. of Fairfax, Va., Wagner Roofing was called in to consult on the project, determine the source of the leaks, and come up with a solution.

The original galvalume standing seam roof channeled the water into a large, stainless steel internal gutter with roof drains. Jagusch found that the leaks were occurring at two types of critical points. First, there were leaks where the internal roof drains met the central gutter. The other problem spots were along the pitch transitions.

Jagusch felt that installing a conventional-style painted galvalume roofing system in those spots was almost impossible. “We felt that was since it was an area that was failing, we wanted a metal we could work with when we met a transition and turn the panels vertical where we needed to without having to break them and rely on rivets and caulk,” he says.

Custom five-sided downspouts were fabricated

Custom five-sided downspouts were fabricated, but large windows at the back of the home offered few options for support. The downspouts were attached up under the framing system. Photos: Landmarks Photography—Jay Stearns

Copper was the answer. “The detailing was pretty tough to do, so we recommended changing it to copper so we could work with it, be able to solder and have a more seamless roofing assembly,” Jagusch recalls.

Another key to the project was redesigning how the roof drained. “We decided to push all the water to the exterior,” he says. “We collaborated with Restoration Engineering and we fleshed out the original redesign.”

The team decided that installing a copper roof system with a new drainage plan would be the best way to eliminate the leaks and keep the inspiring look the homeowners desired.

“We wanted to eliminate the drains and push all the water to the exterior, so that’s why we went for the re-slope of the big central gutter,” Jagusch says. “Also, at the transitions, we wanted to make sure we were 100 percent watertight, so we used a combination of turning up panels and soldered cleats to get everything into place.”

Solving the Puzzle

With its intersecting planes, the roof made laying out the panels an intricate puzzle. “You also had large expanses of roofing that changed pitch throughout,” Jagusch explains. “Panels had to be laid correctly because not only does the roof slope up, but it also slopes sideways. The layout of the panels was critical from the get-go. We all looked at it and agreed that we would follow parallel to the actual trusses, which we felt was the best solution.”

The old roof system was removed and stripped down to the 3/4–inch plywood deck. “We covered the entire roof deck with Grace Ultra,” said Jagusch. “We then used a slip sheet and installed 1-inch-high, double lock, 17-inch-wide, 16-ounce copper standing seam panels.”

Photos: Landmarks Photography—Jay Stearns

Photos: Landmarks Photography—Jay Stearns

Panels were roll formed at the Wagner metal shop out of 20-inch-wide coils using an ESE roll former and trailered to the jobsite. Approximately 5,400 square feet of copper panels were installed on the project. The double-lock seams were mechanically seamed. Twenty-ounce copper flat-seamed panels were used in the large valleys.

The safety plan included full scaffolding during every phase of the project. “We have our own safety scaffolding system,” Jagusch says. “Our guys demand it on our jobs, and we demand it of them to come home safely every day. We are very proud of our safety record. It’s front of mind for us.”

In addition to the roof, all of the metal cladding was replaced on the southeast feature wall. The top of the wall was reconfigured to accommodate the new sloped valley. Where the wall met the roof, a band was fabricated to match the top part of the fascia. Other details included copper cladding for the chimney.

Drainage was redirected to the perimeter, where custom-fabricated gutters were installed. “On the west side, the roof was originally designed to dump off straight onto a rock feature on the ground, but we fashioned a custom copper box gutter about 35 or 40 feet long,” Jagusch states.

At the either end of the large internal gutter and at the end of a large valley, shop-fabricated copper conductor heads were installed. Custom five-sided downspouts were fabricated, but installing them posed another challenge, as large window areas offered few options for support. The downspouts had to be snugged up under the framing system.

“Everything had to work with the other building components,” Jagusch explains. “One of the tougher things on this project was being able to have the function and the form both top of mind, in that order. The key was to make the functional stuff look good.”

Showpiece Project

The project was completed about a year ago, and the copper has begun to change in color. “The copper now has a gorgeous bronze, kind of purplish hue to it,” notes Jagusch. “I think it will eventually develop a green patina, but with the way the environment is these days, I think it will take 15 years or so before it gets to that point. That’s the cool thing about copper—it’s a natural, breathing material that is constantly changing, constantly evolving.”

Copper cladding was installed on a feature wall

Copper cladding was installed on a feature wall, which also featured changes in slope. The top of the wall was reconfigured and a band was added to match the top part of the fascia. Photos: Landmarks Photography—Jay Stearns

Wagner Roofing has a maintenance agreement in place on the home, so Jagusch has stayed in touch with the owners and kept tabs on the project, which is performing well. “I’ve got just one hell of a team here,” he says. “It wasn’t just one estimator that went out and brought this thing in. In our business, estimating and roofing is a team sport. We kicked this thing around a lot with all divisions of the company, from estimating to operations to the actual installers before we finally settled on a number for this thing.”

“We work on some pretty spectacular places, and of course this is one of them,” he concludes. “We like a challenge, and this is the stuff that my team really loves to get their teeth into.”

Published at Wed, 04 Oct 2017 07:00:46 +0000

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K-NRG Seal™ VP

K-NRG Seal™ VP

KARNAK, an industry-leading manufacturer of reflective coatings, sealants and cements, recently announced the launch of K-NRG Seal VP, a high-performance vapor-permeable air barrier for above-grade wall application.   

K-NRG Seal VP expands KARNAK offerings, which include roofing, damp-proofing and waterproofing products; fabrics and repair tapes; caulks, sealant and flooring products; and elastomeric products.  

Published at Wed, 04 Oct 2017 13:00:00 +0000

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MRCA to Release SHARP New Employee Orientation Video at…

MRCA to Release SHARP New Employee Orientation Video at 2017 Trade Show

There will be a show-only special price for this new SHARP video for anyone attending the free trade show October 17 and 18.

MRCA is releasing a new edition of the SHARP new employee orientation video. The video is a helpful tool for training new members of your crew.

See a preview of the video.

Contractors receive a free trade show pass. Register online today.

Published at Wed, 04 Oct 2017 14:51:13 +0000