qdr architechtural roof. (Dick) Fricklas and C. qdr architechtural roof

 
 (Dick) Fricklas and Cqdr architechtural roof Fenestration: The arrangement, proportioning, and design of windows and doors in a building

Some of these materials are fire-resistant. For instance, three-tab asphalt shingles last around 25 years, while architectural shingles last up. If your roof is aging, sagging, drooping, or leaking, it may be time to contact a roofing company. In cold periods, heavier snowfall led to steeper roofs of newly built houses, aiming to remove the snow more efficiently and avoid future damage. The earliest roofs constructed by man were. View More. for pricing and availability. Chart 8 THIS ISSUE This issue examines fatal injuries in construction from 2011 through 2019, identifying trends by Hispanic ethnicity, age, and injury cause and source. We’ll explain roofing shingle options and compare. A dormer is a window that is typically set vertically on a sloping roof. 3-Tab: Warranty. · Longevity: Architectural shingles tend to have a longer lifespan than 3-tab shingles. ROOF COVERING CONDITION: Roof cover materials are in satisfactory condition. 3. 200. LM Solaris Resawn Shake Laminated Architectural Roof Shingles (33. More Americans have relied on GAF Timberline® Shingles than any other brand. This was our 3rd GAF roof, we have always had the Timberline since removing the Slate in 1983, replacing that in 2005, and again in 2023. The Land Cruiser is defined by its indisputable QDR (Quality, Dependability, Reliability), a legacy inherited. Metal roofs generally can run from $120 to $900 per 100 square feet (one 10-foot by 10-foot area, or a “square” of material), while asphalt shingles will be between $100 and $200 per 100. Quality Discount Roofing & Construction is an award winning roofing contractor company based in Jacksonville, FL, specializing in quality roofing and construction services at. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. 2026 (planned) Construction cost. Typical Price Range To Install A New Roof Average: $4,190 - $6,740. Alexis Carthan. While they’re made. It is often used to add visual interest to the exterior of. Architectural shingles: 25 to 30 years; Wood shingles: 30 years with regular maintenance; Clay tiles: 50 years or more; Metal roofing: Up to 70 years; Slate tile: 50 to 100+ years; How long your roofing material lasts largely depends on the climate you live in. Like many builders our origins in the construction industry began with carpentry and house framing. The purpose of the QDR would be to determine whether the recommendations in BS 9991 are appropriate as they are, or whether a full fire-engineered solution is required given the increased design demands on structural integrity, services, fire safety systems. Dana Logsdon is a 3rd generation roofing contractor who started roofing at the young age of 14 for his father. The average cost to install asphalt shingles on a standard 3,000 sq. Find Architectural roof shingles at Lowe's today. This panel has a mechanically seamed 2” high rib which provides aesthetic appeal as well as a weather-tight design and used in new construction or retrofit applications. Wheeler Director, Straus Military Reform Project Center for Defense Information February 2006 Quick Look Review: Department of Defense Spending (Constant 2006 Dollars) Korean War Reagan Increase Vietnam War Desert Storm 9/11 End of Cold War Start. 02. $1. They repaired the damaged areas and installed a new metal roof. Jacksonville, Florida. A decorative raised surface along the edge of an architectural feature such as a window, column, door or wall. Owens Corning. 3 tab shingles cost an average of $0. The lifespan of a hip roof depends on the quality of the materials and the maintenance they receive. Directorate. Fatemi By: Mahdi Hassanpour 3/12/2021They feature two laminated strips, forming a thicker, more durable texture. 04. There are two ways to shape wood roofing: Shakes are split into wedges to produce a more natural, rugged look. There are four main types of gable roofs – side gables, crossed gables, front gables, and Dutch gables. 8 CVT is priced at ₱1,844,000. Nothing sets the mood quite like lighting with an ambient, warm glow. Roofs have been constructed in a wide variety of forms—flat, pitched, vaulted, domed, or in combinations—as dictated by technical, economic, or aesthetic considerations. 50 to $7 per square foot ($450 to $700 per square). There is a big difference between architectural and asphalt shingles as roof covers. Many homes have an asphalt shingle roof, but. With a narrower average price range (capturing 80% of all residential reroofing jobs), you can expect to pay between $4. The Qualitative Design Review (QDR) Complex Fire Systems form an Integral Part of the Fire Strategy. de Tel. Durability: Architectural Shingles. 8/29/2023. Before you install your first shingle, use your utility knife to cut 6 inches off of the side, then lay it on your roof, allowing the architectural shingles to hang between 1/2 to 2 inches over the edge. The cheapest shingles are three-tab, but architectural and designer shingles are also available. Architectural roofing shingles are great, but how do they stack up against traditional 3 tab asphalt roofing shingles? Let’s start with the basics: sizes. S. In reality, you should get around 80-85% of the life span out of an architectural asphalt shingle roof, so around 25-28 years. The above photo of Lisbon – rows of tuk tuks, cobblestone street, open square, colourful old architecture and a large statue celebrating a victory. That means the lower, visible. Griffin, this is one of the most comprehensive written guides to commercial flat roofing. Durable and formulated to provide contrast and dimension, they deliver a combination of color and depth that complements any roof. Tallahassee Roofing crew came and tore off the old, damaged shingle roof. It often occurs next to a roof penetration, such as a chimney or dormer, or at the edge of the roof, as in the photo above, and is easily verified by checking the area. Stay up-to-date with articles and updates on the newest developments in. Caterpillar House / Sebastián Irarrázaval. LM Solaris Moire Black Laminated Architectural Roof Shingles (33. ft. The building standards technical handbooks provide guidance on achieving the standards set in the Building (Scotland) Regulations 2004. plinth area rates. EPDM closures and metal top closures shall be caulked around their entire perimeter. Architectural shingles cost an average of. 8 CVT, while the top-of-the-line Toyota Corolla Cross GR-S 1. They are also the lightest type of shingle, therefore they are far more affordable than architectural and designer shingles. This handbook applies to a building warrant submitted on or after 1. We can help with all aspects of carpentry from hanging a door,. Use the dimension scale where measurements are not provided. An open gable roof is identical to a box gable roof, with the only exception the boxed offsides on either end. 85 per square foot. Roof Shingles ; Residential Roofing. Find My Store. Fenestration: The arrangement, proportioning, and design of windows and doors in a building. HIRE A CONTRACTOR THAT YOU CAN TRUST!The average cost to install shingles is $5,000 and $18,000, with the average homeowner paying $6,960 to install architectural asphalt shingles on a 1,500 sq. It’ll take roughly 75 sheets of plywood to complete the job, putting the average cost of sheathing at $14 to $21 per sheet. Find My Store. Crypto2. After years of working with his dad, he started Dana Logsdon Roofing in 1994. Model # 0489354. Offering North America’s #1-selling shingle brand. Three-tab shingles are the most basic form of shingles and get their name from the way they are cut and installed. - After years of complaints, Georgia's insurance commissioner has finally taken action involving a roofing shingle you. 3 0. Higher quality 50-year architectural shingles will cost more, at about $5 to $7. D and SocialDana Logsdon is a 3rd generation roofing contractor who started roofing at the young age of 14 for his father. House Pegasus / Frédéric Saint-Cricq. Product: Camelot® II. 54 billion. 0 inches (approximately 2× spacing relative to plane distance). The crew was excellent and the office staff was also great. Published: Sep. A mansard roof, also called a french roof, is a four-sided style roof. If you are looking into getting your roof replaced, you need to know everything that impacts the cost. • Section 1 Microprocessors course Dr. The 2007 National Defense Budget and the QDR: Old Wine, Bigger Bottle Winslow T. 37 (2) Tamko. An architectural roof is a combination of several materials, including asphalt shingles, metal sheets, wood shakes, slate tiles or other composite materials. 4. Heavier and more durable than 3-tab shingles. Offering North America’s #1-selling shingle brand. Quality Dependability And Reliability. The cost of architectural shingles varies. Standing Seam Shingles. This video talks about the proper method for installing both three-tab and architectural shingles. Architectural roof shingles, also known as dimensional, laminated, or composite shingles, were introduced by the residential roofing industry in the 1970s, when manufacturers were looking to create a higher-end product for homebuilders and consumers. We are now a My Safe Florida Home Approved Contractor. The following defects were viewed - architectural shingles are installed over architectural shingles. Its three tabs are made from wood and installed on the roof to provide a strong bond between the shingles and the roof deck. Recommend further evaluation by a qualified Roofing. Request a personalized quote, or see our full guide below. Shop GAF Timberline Natural Shadow Charcoal Laminated Architectural Roof Shingles (33. They are made out of a single layer of asphalt and then cut into strips. Lastly, multiply this number by 3 to determine how many bundles are needed. 5 and 1. Architectural re-roof only* 2,000 SQ FT Financing W. The only real disadvantage to architectural shingles is the fact that they are a little more expensive; an architectural shingle roof does typically cost about 25% more than a standard shingle roof. Metal roofing generally costs a bit more per square foot than asphalt shingle alternatives, sometimes by a magnitude of two or three. These products are designed to be strong and easy to maintain. We are now a My Safe Florida Home Approved Contractor. Architectural trusses refer to those attractively detailed timber trusses, exposed to view. That contoured look that makes these shingles so popular also adds an added layer of durability. Enhanced waterproofing capabilities. 5. Minyue architecture. This article will provide comprehensive information on the roofing system components, including roof covering, sheathing, roof structure, flashing, and drainage. Porches can be prime architectural features, especially on houses built from the mid-1800s to the early 1900s. Asphalt Shingles. Thanksgiving: a time to reflect, give thanks and indulge in tasty treats. Caterpillar House / Sebastián Irarrázaval. Now test your knowledge by clicking here to take a short quiz. 4. DLIVE! QDR of 2006 to the DTM of 2010 Do. In this type of roof, the ends are left open to meet the walls directly there are no added. The shape of a structure’s roof can sometimes help you to identify the home’s style:. ISBN. Shingle Color: White. They have a minimum 30-year guarantee. Always check the warranty of the brand of shingle you plan to buy. An open gable roof is identical to a box gable roof, with the only exception the boxed offsides on either end. 2007 has been prepared for. AAE 451 DYNAMICS & CONTROL QDR 1 TEAM 4 Jared Hutter, Andrew Faust, Matt Bagg, Tony Bradford, Arun Padmanabhan, Gerald Lo, Kelvin Seah October 30, 2003 TEAM 4 n Concept Review n Class 1 Tail Sizing n Class 1 Control Surface Sizing n Believability Check n Verification of Sizing with Rudder Deflection in One-Engine Inoperative (OEI) Flight. 97 /bundle ($ 1. This roofing type is common among many contemporary homes primarily because it offers more interior space than the more popular gable and hip roofs, all. Nov 16, 2022. More Americans have relied on GAF Timberline® Shingles than any other brand. Pauws99. Architectural Shingles - Cedar Shakes: Some of the most attractive architectural roofing shingles simulate cedar wood shakes (such as CertainTeed's Presidential Shake® shingles). CSR ROOFING ARCHITECTURAL MANUAL RooF stRUCtURAL MeMBeRs 2 se C t I on 1 GLossARY Abutment Where the roof tiles meet a structure rising above the roof. Proudly Serving: Northeast Florida & Palm Coast Counties 24/7 Support NE FL: (904) 396-5000. 1,196 likes · 2 talking about this · 122 were here. The Qualitative Design Review (QDR) Complex Fire Systems form an Integral Part of the Fire Strategy. 00 per square foot for material. This conclusion wasArchitectural asphalt shingles should live around 80-85% of their maximum lifespan. Roof system design life should be a starting point in the selection of roof systems. 36-in x 75-ft 200-sq ft Rubber Roof Underlayment. In theory, a roof garden can be planted on almost any flat-roofed building, whether a single-or multi-family house, a commercial property, a shopping center, or even a parking garage. However, it’s important to consider the long-term cost-effectiveness, as architectural shingles generally offer superior durability and longevity. Quality Discount Roofing is proud to be one of the most awarded Residential and Commercial Roofers in Northeast Florida. Gothic architecture is an architectural style that was prevalent in Europe from the late 12th to the 16th century, during the High and Late Middle Ages, surviving into the 17th and 18th centuries in some areas. Peter's Basilica, Rome. 8 sq. Below is the average cost for roofs of different sizes when priced by the. Gable or pediment roofs create a triangular area on the short side of a rectangular structure. To make your hip. 48 centimeters. A roof’s slope is the number of inches it rises for every 12 inches of horizontal “run. Rigorously tested by third parties. SunnyD Vodka Seltzer becomes the latest entrant into the canned cocktail craze that has customers thirsting for flavor-packed adult beverages over their malt-based seltzer siblings. Finial: It’s the decorative ornament found on top of a building’s roof, spire, gable or canopy. Asphalt shingles have a lot to offer. Most 3-tab shingles cost about $1 to $2 per square foot, resulting in a total cost of around $1,500 to $3,000 for a typical 1,500-square-foot roof. Shed roofs have a single slope that inclines at a certain angle. You probably have a choice between architectural shingles vs asphalt to replace your roof. Asphalt shingles are made of layers of fiberglass, asphalt,. Asphalt shingles, the most common type of roofing in the U. 5 3. Products. Populous. This adds little thickness to the roofing, but overlapping can help double the roof’s thickness. Architectural Shingles Price vs 3 Tab Shingles. Watchband learnJoin this community by subscribing and click the bell icon to get noti. A roof’s ridge is found in specific types of roofs such as mansard, gambrel, gable, and pitched. 068 0. FAQ. An example would be, 1 inch (2. 00. The list of ancient roofs comprises roof constructions from Greek and Roman architecture ordered by clear span. Since ancient times, the people built wooden buildings, structures built with rammed earth, and buildings and structures built with stone or brick. Architectural shingles are a popular type of asphalt shingles that offer homeowners an affordable option to help protect their home from the elements while also delivering style. GAF Liberty Cap Sheet 3. House Pegasus / Frédéric Saint-Cricq. As a rule, architectural plans are drawn to a "scale". plinth area rates. Save this picture! In Le Corbusier's 5 points of architecture, he advocates the inclusion of flat roofs hosting roof gardens, providing valuable outdoor. In future, the preliminary estimates may be prepared on the basis of these. The original corn cribs were meant to store ear corn. Ridge Board: A horizontal timber or metal resting at the peak of the roof. The ancient roof decorative components of the official-style architectures from the Ming and Qing dynasties in China hold both physical and symbolic significance. Since 1912, it has been the ballpark of the Boston Red Sox, the city's American League baseball team, and, since 1953, its only Major League Baseball (MLB) franchise. These estimates exclude labor and installation costs. Currently, the average price to replace a home roof can range from $6,500 – $15,200 . 20 -Dec-101. Quadrennial Defense Review. A qualifying GAF roofing system consists of Timberline® UHDZ™ shingles and 5 qualifying GAF accessory products. There are also terms to distinguish gabled roofs that show their slanting side on the. Register a warranty. 8. Whether you are installing a new roof on a new house or replacing an older roof that is no longer doing its job, there are many choices in terms of the. The varying sizes and shapes of the shingles give the roof a more dimensional look, which many people attribute to added curb appeal. An important note for roofing contractors: when replacing roofs with steeper pitches, it's important to consider the safety of your crew. 7. Aluminum roofing panels are mainly used for. In some cities such as New York and Boston, clay was popularly used as a precaution against such fire as those that. C * One coupon per home only. The TOH pros offer up their best advice for shingling properly, sniffing out leaks, and knowing when it’s time to reroof an old roof. The Minyue State's Imperial City (Traditional Chinese: 閩越王城遺址) gave some clues about what their architectural style was like. Product: Camelot® II. 2023. Several layers of material may be used to create the shingles. Buying and. 1 25-year StainGuard Plus ™ Algae Protection Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus ™ logo. See all Terms & Conditions here. Pitched roofs are very common among suburban homes, forming the classic upside-down ‘V’ shape. W. 3-tab shingles only have one shingle tab size and shape. Higher-end asphalt shingles like. Owens Corning® TruDefinition® Duration® shingles with SureNail® technology balance performance and an attractive, well-blended appearance. Stay up-to-date with articles and updates on the newest developments in. roof needs 15 squares of material. QDR Design, LLC, Joliet, Illinois. You can construct it from any standard roof material including shakes, wooden shingles, metal shingles, or asphalt shingles. Vertical greenery gives a structure the appearance of sustainability. The B-Formlok is. GAF might request a copy of your deed or other proof of the date the property changed hands. for pricing and availability. A bundle of asphalt shingles may cost $18. foot roof ranges between $5,130 and $18,360 as of 2023, which includes the cost of both materials and labor. CertainTeed. In Architecture tab select Roof – Roof by Footprint tool and choose desired roof type. IKO Cambridge architectural shingles can enhance any home’s style, from traditional to modern, rustic to urban. The main level consists of a grand, two-story great room, which opens to the dining room and kitchen. Shingle Color: Black. The curvilinear roofs of ancient Chinese wooden architecture feature unique functional, hierarchical, and aesthetic elements. Metal is a 50 to 100-year roofing material with warranties of 30-50 years. Metal roofing typically costs between $8 and $16 per square. Your roof can represent up to 40% of your home’s curb appeal. In designing the new model, our greatest rival was its predecessor. STINGER Snow Gaurd 1. Advantages Of Aluminum Roofing Panels. Ask the First Question. Term: Spring Term 2021 (UNDG)18 Spectacular Living Roofs in Detail. The reason composite shingles are durable and long-lasting comes down to their impact rating. Windows & Doors. A Quasi Double Representative. Use our unique Virtual. com. Timber roof trusses are an ecologically sound choice, compared to conventionally pitched roofs, they use smaller dimension. Heritage Rustic Black Architectural Shingles (Average 32. Additionally, the mat base on an architectural shingle is made much. No extra roof support is needed, either. Photo: istockphoto. Any pitch that's at least 10/12 (39. Message. Roof clips shall allow for thermal movement and shall be installed at each panel joint. Our latest Dezeen guide explores seven types of roofs, including hip roofs, sawtooth roofs and vaulted roofs. The cost of architectural shingles is between $500 and $1,500 per square. Long-lasting - Though asphalt shingles may not last as long as metal roofing, architectural shingles can last up to 50 years, while 3-tab shingles usually last up to 20 years on. What's upMcLumi with an architectural tutorial on how to draw roof plan. Color: Charcoal. Architectural shingles tend to last between 25 and 30 years in typical conditions. Architectural shingles weigh about 100-lbs more per square than regular shingles. The truss roof of the 4th-century church Old St. Divide that number by 100 to get the correct number of squares. Choose a relevant level for a bottom face of the roof. While architectural shingles are slightly heavier than regular composite. Quality Discount Roofing & Construction 140 followers 5mo Report this post Report Report. *This is a recording of Chief Architect’s Live Training webinar: Roof Framing* In Chief Architect, roof framing is directly related to how you build your roo. Quality Discount Roofing. No Google Verified Reviews. The 3-tab shingles are almost 50 percent lighter than the architectural shingles. Architectural shingles weigh about 100-lbs more per square than regular shingles. 2 Architectural Treatment and Finishes This shall be in accordance with IS 15916. Architectural asphalt shingles — or dimensional shingles — are among the more high-quality options for asphalt roofing. The average cost to install architectural shingles on your roof ranges between $13,500 and $21,500, or $4. Make the best decision for your roof! At Quality Discount Roofing & Construction, we prioritize producing the best. There’s lighting stores, and then there’s Lightology. The layers are then securely fastened together to ensure longevity and protection from outside elements. Q: Where in your specs for timberline AS ll do you specify class 4 impact resistance?10 mils for parallel runs between 0. This is against the manufacture installation requirements & may void the warranty of the roof materials. Now, keep in mind that your shingles may not even last this long. 28-ft W x 34-ft L 100-sq ft Black Roll Roofing. Tudor (left, uncommon, Pratt House, Vassar College, Poughkeepsie NY ca 1914, also see. Front Gabled or Tri-Gable, steep pitch. Essentially, architectural shingles are more substantial than 3-tab shingles. The dimensions of the sides are dictated by the needs of the. Please Note: I used architectural shingles on this roof. The 3-tab shingle typically has a 20, 25, or 30-year warranty. TruDefinition Duration Estate Gray Algae Resistant Laminate Architectural Roofing Shingles (32. Top 5 Architectural Shingles Of 2023. ft. Pitched roofs are very common among suburban homes, forming the classic upside-down ‘V’ shape. GAF. However, the digitalization of these roofs has yet to be explored because of the lack of accurate mathematical models for these roof geometries. 5 lakh here. XT-30. Types. 85 per square foot. This research aims to parameterize the design and construction rules for. Owens Corning Oakridge Onyx Black Laminated Architectural Roof Shingles (32. Dormers are often built into the lower. While the stadium was. Hip roofs can last up to 5 decades if not more, provided they are constructed properly. These shingles offer durability, wind resistance, and a wide range of colors and styles, making them a popular choice for homeowners in the South. 0 m). View More. ty lg mipkj ;qDr ry. Architectural shingles are gaining in popularity because of their durability, warranty term, and aesthetic appeal, with colors and styles to liven up or blend in with any decor as you see fit. Log Siding; Board and Batten. 2 6 6. Asphalt shingles will also protect a home from the elements, but will degrade more quickly. 5. 8-sq ft per Bundle) Model # 671429. A type of construction using stone, brick, tile or concrete block using mortar. ft. A mansard is actually a type of gambrel roof. The shingles are architectural, which means that they have more volume to their appearance than typical 3-tab shingles without the high price that some brands charge. Timberline HDZ architectural shingles in the shade Hickory, for example, offer a rich. Types of Roofing: IntroductionTypes of Roofing:. Business, Economics, and Finance. An architectural style roof is a type of roofing system that features various shapes, sizes, and angles. Building defects • Professional negligence • Construction disputes • Architectural design • Project management • Party walls • Flat roof defects • Roof defects • Window defects • Cavity wall insulation Simon has over 30 years’ experience in the construction industry where he has practised as a chartered building surveyor and. Crafted building envelopes feature precise metal siding, roofing systems. Side gables are the most common and simple style of gable roof, with two sides pitched to form a triangle. Begin row 5 with the 1-tab shingle, and row 6 with the 1/2-tab shingle. If one of the sloping sides ends in a wall that’s shorter than the wall on the other side, it’s a “saltbox. 2. Their BuildZoom score of 92. With that said, the average cost to replace roof decking on a 2,400 square foot home is between $1,050 and $1,575. Latest News, Tips and Tricks / By QDR. Gutters & Downspouts. GAF Timberline Hdz Charcoal Laminated Architectural Roof Shingles (33. Windows & Doors. A roof that's 20 years old or more may be ineligible for coverage or only be covered for its actual cash value. Finally, install the standard architectural shingles. Some brands and styles are pricier than others. 06 of 15. This includes 10 over 12, 11 over 12, 12 over 12, and pitch where the rise is greater than the run. General Features of Chinese Architecture. Longer life expectancy than 3-tab shingles and, thus, has longer manufacturer’s warranties. The above photo of Lisbon – rows of tuk tuks, cobblestone street, open square, colourful old architecture and a large statue celebrating a victory. 065 0. Frieze: A wide decorative band in the middle of an entablature or below a cornice. Durability. Fenway Park is a baseball stadium located in Boston, Massachusetts, less than one mile from Kenmore Square. September 27, 2023. The Quadrennial Defense Review ( QDR) was a study by the United States Department of Defense that analyzes strategic objectives and potential military threats. They are available in a variety of color options that will complement just about every home. 2 December 2020. 50 per. Shokan House / Jay Bargmann. 0046 Tensile Strength (ksi) 165 250 62. A square is 100 sq. In theory, a roof garden can be planted on almost any flat-roofed building, whether a single-or multi-family house, a commercial property, a shopping center, or even a parking garage. However, architectural shingles can have a durable lifetime of sticking to the roof for 30 to 50 years. In fact, they are about 50 percent heavier than the 3-tab kind. Get popular roof shingle colors, roof replacement cost resources, strong roof warranties and a GAF certified roofing contractor with this easy to use guide. Oakridge® laminated shingles have a warm, inviting look in popular colors for a step up from traditional three-tab shingles. At first glance, it may appear completely flat, but it has a slight pitch to allow water runoff. Wooden buildings had intricate roof frameworks. 0 inch (approximately 3× spacing relative to plane distance). Being 100% recyclable and having a minimal carbon footprint in terms of transportation and. 2 The permissible tolerances of timber used shall be in accordance SP 7 (Part 6/Sec 3A). Shingle Color: Black. Timberline HDZ Golden Harvest Laminated Architectural Roof Shingles. The building standards technical handbooks provide guidance on achieving the standards set in the Building (Scotland) Regulations 2004. Cost of Installing Architectural Shingles. An inexpensive asphalt roof is always an option. Curved Span-Lok™ metal roofing is a performance-rated architectural standing seam metal roof system. The amount of material used and the overall quality of each product is the primary variations between them. Building, planning and design. Poorly constructed roofs endanger the people living in a building, so you need to make the roof. 3-tab shingles. 03.