If the size of the reinforcing steel and the number of rods placed is similar, concrete blocks will have a strength much like precast concrete The Grandwall prefabricated panels are engineered materials made for fast and cost effective installation and construction of walls as replacement to the traditional concrete hollow blocks. Video. This can have advantages and disadvantages which you’ll discover below. Less plastering needed compared to regular hollow blocks. It is Faster and Easier to Install Precast Jun 2, 2016 · LITEBLOCK™ is a new walling technology that is superior to concrete hollow blocks. This abstract covers the advantages, structural features, design concerns, and building methods of HCBs in RC design. Let’s take a look at hollow core doors and what they contribute to your spaces. You can also read in detail on our blo Feb 5, 2022 · #CHBvsAACPapindot naman ng "BELL" 🔔 at click "ALL" para lagi kayong "Present"TURN ON CC FOR ENGLISH SUBTITLE For more details on Moldex electrical conduit s Hollow blocks are typically lighter because they are hollow. com/watch?v=pYRr6VHCpv0 We supply Hollow Block in various sizes. They are commonly used in the construction of foundations and retaining walls. At Thermoblock , our mission is to revolutionize the construction industry by providing high-quality thermal lighweight blocks that prioritize energy efficiency, and We strive to exceed customer expectations through our dedication to excellence, integrity, and environmental stewardship. We stock 440mm x 215mm hollow blocks in widths of 140mm and 215mm. The panels are produced with a norminal face dimension of 75mm or 100mm thick x 600mm width and of any length customized to your requirement. EPS / SRC wall. It provides facility to conceal conduits etc. Partial grouting only on core holes with vertical reinforcement. 215: Plasterboard 13 mm thick: 1. The hollow blocks provide good stability to the structure. “Yes, a block stacks faster,” admits one panel ICF executive, “and that’s fine when you have 250 feet of wall to build with no windows and no turns. It is often used to build different types of walls such as internal partition walls and boundary walls S. Its unique shape makes it easier and faster to put together and can be a strong alternative to standard hollow blocks. Yun yung advantage doon. Autoclaved Aerated Concrete blocks (AAC Blocks), which are also commonly known as Aerated Lightweight Concrete blocks (ALC Blocks) are common masonry blocks used in construction of a wall. They are a very economical yet durable building material. 70 before VAT and our 440mm x 215mm x 215mm block is priced at £3. You would never want to attempt to walk on flooring with holes in it. Jul 3, 2021 · In this video, we'll take a look at these 2 alternative building technologies, but from a different point of view. What do Hollow Concrete Blocks Cost? While prices will fluctuate, as of the time of writing our 440mm x 215mm x 140mm hollow block is priced at £2. This type of block is used in a load-bearing unit and has a minimum block density of 1500 kg/m 3. Oct 1, 2023 · Since their development in 1890, concrete hollow blocks (CHB) have changed construction for decades. This reduction in the volume of concrete in the tension zone (below the neutral axis) is based on the assumption that the tensile strength of concrete is zero, hence all the Jan 30, 2023 · We must remember that these benefits are achievable to their fullest potentials by following the basic guidelines from the concrete hollow block rule book. Strength: Fluted glass panels are generally less sturdy than hollow glass blocks due to the presence of flutes and grooves. Hollow concrete blocks have good insulating properties against sound, heat, and dampness. here in marbel, at citi hardware, the price is about 120 per unit (2. . The two most common types of concrete walls are built using concrete hollow blocks or poured concrete. per sqm. May mga projects tayo sa Bohol na na-withstand ang Bohol quake years ago. No : Item Description Standard Size. We'll explore the 5 factors that different Due to their voids, concrete hollow blocks are much lighter than solid blocks. Both options have to be reinforced with a steel rebar. concrete hollow blocks (CHB)? CHB unit weight is 240 kgs. 6. Oct 22, 2021 · TURN ON CC FOR ENGLISH SUBTITLE For business inquiries E-mail: ingenierotv. Using EPS (SRC Panels, not Polywall) my costs vs CHB "feels" cheaper taking into account labor, time value, strength as well as its insulation properties. Jun 28, 2023 · SRC panel may be a good option for your construction project if you’re looking for a strong, lightweight, and affordable price alternative to concrete hollow blocks (CHB). Get a Quote Specification of Blocktec AAC Blocks AAC BLOCKS PAMALIT SA HOLLOW BLOCKS? On this video you will learn the materials that we can use alternative to traditional concrete hollow bloks, are you rea What is the unit weight per square meters of M2 Panel vs. These blocks are most commonly gray but can also be found in different colors, including tan and dark red. Manila Distributors. A Concrete Block is a ‘Building Block’ composed entirely of concrete that is then mortared together to make an imposing, long-lasting construction. Blocks may be solid, but most have hollow openings on each side to reduce their weight. Hollow concrete blocks are low in weight. Superior sound insulation. HOLLOW BLOCKS Which is faster to build? Aside from the advantage of POLYWALL® installed as a panel that makes it 50% faster than concrete hollow blocks, POLYWALL® doesn't require Hollow Core Doors. Since blocks are bigger in size, there is obviously less number of joints. There are several different classifications of concrete block too – Group 1 or Grade A, Group 2 or Grade B, Group 3 or Grade C. Grade A are hollow-core blocks having a minimum Apr 9, 2024 · They are hollow inside to accommodate steel bars and mortar filling. In general practice, hollow concrete blocks are 30 cm X 20 cm X 15 cm ( 12inch x 8inch x 6 inch) in size. We pioneered the manufacturing of load bearing hollow blocks in 1948 using world famous machines from overseas. People are now more than ever embracing the beam and block slab because of its numerous benefits. Cons of Using Concrete Blocks: 1. 5, 7. 3. (+63) 917 168 8749 May 5, 2022 · AAC blocks and AAC panels have different specifications. With decorative hollow blocks, complex finishing work is no longer needed. The hollow block is also known as concrete hollow block, concrete block or hollow concrete brick. 4. srcp Ecolite™ Lightweight Hollow Core Concrete Panel can be used for internal and external load-bearing and non-load bearing walls. Hollow core or cellular blocks have between 50% and 75% of the total mass of a solid core block with similar dimensions, making them lighter than the solid block. Website: www. Hollow concrete blocks vs solid concrete blocks Mar 4, 2024 · What is the SRC panel made of? It is made of a combination of steel and concrete materials. Kaya yun yung isang May 27, 2014 · Watch this video to learn more about SRC Panel Systems. 3: Two-coat gypsum 12 mm thick: 0. Here are a few of the options available to you. even if i Due to the hollow core, often filled with cardboard or honeycomb-like material, this type of door is more prone to punctures, dents, and impacts. ESTIMATE CHB AND EVG WALL. Hollow blocks size Philippines vary but the standard size of hollow blocks in the philippines (CHB standard size) are We are an authorized distributor and dealer of the M2 Panel system through manufacturer Next Century Building Systems Inc. Hollow blocks are widely used in building projects as Feb 8, 2021 · mig21, i think metal studs or frames are cheaper compared to wood. Autoclaved Aerated Concrete Block • AAC Blocks are a lightweight construction material that may be cut into masonry blocks or made into bigger planks and panels. Hollow concrete blocks come in many different shapes. Hollow Concrete Block (Open and Closed Cavity) The hollow blocks are divided into below categories. Apr 18, 2023 · The hollow blocks provide excellent resistance against mechanical and physical damage. Fully solid blocks are frequently utilised for paving operations and other tasks requiring stability and endurance. 5, 10, 12. SRC stands for “steel-reinforced concrete,” and its price is usually between ₱350 and ₱3,330. Styromesh Wall Panel is an alternative building system that can be used in place of wood or metal-framed walls, hollow block walls or pre-cast panels. Cost effective: AAC blocks have lower labor cost than other materials like hollow blocks. Grade A. Water absorption of hollow blocks is moderately less as compared to fly ash bricks. A recent addition to the construction materials market, this hollow block comes with a decorative coating on one or both of its sides. Sledgehammer Test! Ano ang totoong matibay? Watch til the end Oct 27, 2020 · Solid Concrete blocks and Hollow concrete blocks are few of the types of blocks that are used in construction industry. While they are usually quite uniform in shape and size, there can be variations depending on the concrete block making machine. The production process of the hollow block, advantages, and disadvantages of the hollow block are explained in this article. Concrete hollow blocks (CHB) have been one of the most widely utilized walling materials in the Philippines. 5, and 15 N/mm 2 at product data sheet- 400 x 300 x 200mm ( l x w x h) 1: description: thermal insulated (sandwich) block: 2: size: 400 x 300 x 200mm ( l x w x h) 3 Aug 23, 2020 · Which performs better? Check out this on-site drop test! POLYWALL® EPS Lightweight Sandwich Panel vs non-load bearing hollow blocks. Jan 18, 2023 · The size of a concrete hollow block typically depends on the concrete hollow block machine used to make them, which typically ranges from as small as 4” by 8” to as large as 12” by 24”. Hollow blocks started as “experimental” and advertised as weatherproof, vermin-proof, fireproof You can actually save more than 25% of your construction cost when you use Blocktec AAC Blocks for your wall system vs traditional concrete hollow blocks. As the concrete blocks are stacked, the steel rods are placed in the hollow middle. We use Hydraulic pressed Machine Feel free to visit our Plant in Pampanga and Bulacan. 6: 12 mm plaster rendering: 0. Is the SRC panel expensive? Depending on the composition of the SRC panel, its price can be cheap or expensive. Balcony wall where polystyrene blocks were installed 17 Figure 4-6. Low water absorption Hollow Blocks Vs. Their unique properties allow them to be used in various aspects of building projects: Residential Buildings: Hollow blocks are commonly used in the construction of residential homes, particularly for exterior load-bearing walls Due to their voids, concrete hollow blocks are much lighter than solid blocks. With the hollow blocks, the reinforcement is inserted into the hollow space in the middle and mortared into place. The hollow blocks are also cheaper and are available in various sizes and shapes. Conductivity of heat is low. Excess Polystyrene blocks used in the project 16 Figure 4-4. The extra size of block systems makes big walls go up fast. For heat insulation, hollow core doors do help hold in some warmth. Hollow glass blocks, on the other hand, can withstand impact and provide a secure barrier See full list on acmeblockandbrick. As per the definition given in the ‘Indian Standard – IS 2185 (Part-1) 2005’, hollow concrete blocks are having one or more large holes or cavities which either pass through the block (open cavity) or do not effectively pass through the block (closed cavity) and having the solid material between 50 and 75% of the total volume of the block Oct 17, 2018 · After they are shredded, they are mixed in with other materials that are used in making traditional hollow blocks like wet cement, gravel, and stones. With all these benefits, they are durable as well. 15 : Wall finishes (both sides) 0. Feb 8, 2024 · In reinforced concrete (RC) design, hollow concrete blocks (HCBs) are gaining popularity. The core of the door is hollow. In the Philippines, the cost of hollow blocks is around ₱15. yasserelleathy. For precast concrete, the reinforcing bars are cast into the concrete. Sledgehammer Test! Ano ang totoong matibay? Watch til the end Facebook. Hollow-core precast concrete blocks (HCBs) are lighter, more thermally insulated, more fire-resistant than solid concrete blocks. Lean mixes are used. Aug 2, 2022 · A concrete hollow block is a block made of concrete that has hollow spaces between its walls. It is often used to build different types of walls such as internal partition walls and boundary walls We supply Autoclaved Aerated Concrete (AAC) Blocks. They speed up the construction practice and reduces the overall construction time. They are cheap but look as expensive as a wood-framed masonry stone house. Grout or concrete is used to fill the center and keep the reinforcement in place. Jun 18, 2014 · We use SRC Panel NO HOLLOW BLOCKS Please!!! http://www. 93 to $3. They come in different forms and heights, but their most common dimensions are 16 inches long by 8 inches wide at the base or thickness with an inch-high wall that can be either solid or hollow. The best option would offer potential energy savings, decreased raw material usage, and a recyclable material. AS PER QCS 2014(Classification – 5) Test Method ASTM C140-97 (WIDTH – LENGTH- HEIGHT) 1: HOLLOW BLOCKS (200 X 400 X 200) Solid Concrete Blocks vs Hollow Concrete Blocks. They are moreover good earthquake resilient. Concrete blocks are a valuable homebuilding material since they can be used in many different ways. No more plastering, no more long curing time, and faster installation methodology and lesser rebars and mortars. 0189 / mm thick: Engineering clay bricks: 0. p Jan 27, 2022 · It is 5x cooler than traditional hollow blocks. Some product Sep 15, 2020 · Source on concrete vs. Sep 23, 2021 · The first use of hollow blocks was as a substitute for stone and wood in homes. Beam and block concrete slab Beams in beam and block slab system. The blocks are used to build structures. September 8 at 5:14 PM · Hollow As fast as 7 days – that’s how fast you can finish masonry work on a 30-square meter one-story single-detached house when you use Jackbilt modular blocks. 12-mm diameter bars that will hold the block in place 17 Figure 4-7. 00 to Ito ay 4x na mas matibay kumpara sa conventional na hollow blocks construction kaya masasabing earthquake resistant ito, sound proofed, heat insulated at termite free pa! 10 years ko nang ginagamit ang technology na ito. AAC wall blocks and AAC wall panels are both lightweight wall materials. Insulates sounds, giving you a quieter space. Stretcher Block Hollow glass blocks are most suitable for interior walls and windows, catering to individuals who seek privacy and design elements. the reason why i don't want to use wood for drywall is because most of the wood sold in lumber shops here in marbel are untreated, which means i may have problems with infestation in the future which will be a big problem in the future. Our blocks will provide the trusted lightweight walling solution you need. • When compared to other wall unit materials, AAC Blocks are very uniform and do not contain a coarse aggregate phase. Available in three SIZES with OPC or SRC construction 8” Hollow Block; Dimensions: 200MM (W) X 400MM (L) X 200MM (H) 6” HollowBlock; Dimensions: 200MM (W) X 400MM (L) X 150MM (H) The holes in the blocks allow electrical wiring and piping to be run through them, and rebar can also be placed in the holes to give the blocks even more strength. Reconfigure your conference room or break area with big play blocks - build lounges, tables or counters to complete your office decor. On average, its price ranges from ₱350. Oct 27, 2008 · Most panel systems are only 12 inches tall, while blocks measure 16 or 24 inches. com We are a pioneer and the leading manufacturer of concrete products in the Philippines. Weight of soild concrete blocks are high. Unlike a solid core door, a hollow core wood door may not withstand abuse or heavy use. Because of their lighter weight, hollow blocks can be useful for parts of a building that have weight restrictions. What does SRC mean in construction? SRC is an abbreviation of Steel Reinforced Concrete Panel. Unlike sa ganitong materials pag baklas, the dames materials iba balik ulit. inquiry@gmail. com/download/23-slabs-hollow-blocks-hordi-slabs-waffle-slabs-2020-pdf-yasser-el-le 4 days ago · Hollow concrete blocks. Architect Ed. Parapet wall where polystyrene blocks were installed 16 Figure 4-5. Concrete blocks come in hollow and solid varieties, which are the two most common types used in construction. The blocks are fire resistant as well as energy efficient. 0, 8. 87: 150 mm sandcrete block work: 2. It is becoming the best alternative to other types of slabs. Water permeability is also a problem in the joints. Conductivity of heat is high. Actually madali lang syang inayos kasi yung materials na ki nut (cut), yun din yung binalik. 00 – ₱23. These blocks are available in a variety of dimensions and textures, ranging from traditional smooth surfaces to fluted or rough Using Big Play Blocks For Room Dividers & Partitions With EverBlock® you can make completely custom accent walls and room dividers that can vary in height, width, thickness, color, shape, or openings. Certain types of hollow block are also particularly environmentally friendly and cost-effective because they can be manufactured from industrial waste residue [[1], [2]]. Hollow concrete blocks vs solid concrete blocks Dec 17, 2020 · 225 mm block work: 2. AAC is a lightweight material CHB CONCRETE HOLLOW BLOCKS. SIPs are 4- and 8-inch thick rigid foam panels, sandwiched between two rigid sheathing Oct 10, 2017 · * You can find the free PDF for this lecture on:https://www. Concrete blocks are typically hollow. M2 Panel unit weight of 147 kgs. Compared to the standard hollow block—with only 150 PSI, or the resistance to downward force in pounds per square inch—cement eco-bricks are heavier Our durable and efficient concrete panels are the perfect choice for those seeking a high-quality, lightweight solution. 5, 4. Our company was the first to manufacture precast & pre-stressed flooring systems like T-Joist (T- Beams), Ribbed & Half Slabs, and Hollow Core. 0113 / mm thick: Common clay blocks: 0. 1: Gypsum panels 75 mm thick: 4. Hollow concrete blocks come in a variety of sizes, such as 100 mm x 200 mm x 400 mm, 150 mm x 200 mm x 400 mm, and 200 mm x 200 mm x 400 mm. 0226 / mm thick Hollow Blocks Vs. block. Workable. , which in partnership with Emmedue Italy, (the proponent of the technology) manufactures the panels using state-of-the-art Italian technology, leveraging over 35 years of proven success. starts at 350 PSI to 2500 PSI FREE DELIVERY TO METRO MANILA AND NEARBY AREAS We manufacture and deliver: Ordinary chb 4,5 and 6 inches 350psi chb 4,5 and 6 inches 500psi chb 4,5 and 6 inches 700psi chb 4,5 and 6 inches 1,000psi chb 4,5 and 6 Structural insulated panels, also called foam-core panels, structural foam panels, stress-skin panels, and sandwich panels, first gained attention 50 years ago for its high level of insulation, air tightness, and strength over wood-framing wall systems. Advantages. Hollow Block Size. Dec 14, 2022 · The use of larger concrete blocks minimizes the number of joints in the work and so saves mortar. The molded bricks are then sun-dried. Different Performance. The bricks can resist collision, earthquake, vibrations, and other damaging factors due to the air cavities Jun 15, 2017 · ANC News Channel's Philippine Realty TV featured SRC Panel Systems as a superior building alternative to traditional concrete hollow blocks. In general practice, for hollow concrete blocks, the face Jan 11, 2024 · Concrete blocks have excellent load-bearing capacity and can support heavy structures. Higher strength and durability: SRC panels can withstand high loads, impacts, vibrations and natural disasters, such as earthquakes and typhoons. We would like to show you a description here but the site won’t allow us. The standard concrete block is nominally 8 inches by 8 inches by 16 inches; actual dimensions will vary slightly because the nominal size allows for mortar between blocks. To know more, visit www. youtube. SRC Maso Challenge: Ano ang mas matibay? - Video by Architect Ed. Unlike sa hallow blocks, pag hindi sya aligned, hindi sya sa hulog, pag giniba mo yung, waste na yung. Generally speaking, the optimum cement block or brick would be a hollow unit without compromising any mechanical features of a regular unit that has high compressive strength. 5, 5. A hollow block is actually a concrete block. comDisclaimer:All the information and tips mentioned in the video is MAGKANO ANG EVG WALL SYSTEM COMPARE SA CHB WALL. Apart from houses, it can also be used for high-rise interior and exterior walls. Get to know AAC Wall Panel sizes and pricing. Hollow concrete blocks are one of the useful construction material, these are lightweight blocks and used for load-bearing on non-load bearing walls. The beam and block slab involves the use of prestressed inverted T-shaped beams and lightweight blocks. Because it is resistant to weather, vermin, mold, and fire, it has become one of the most extensively used materials for masonry walls. You can actually save more than 25% of your construction cost when you use Blocktec AAC Blocks for your wall system vs traditional concrete hollow blocks. Apr 25, 2024 · Hollow block bricks are incredibly versatile, making them suitable for a wide range of construction applications. papalitan mo ng bago. The various shapes give the blocks special functionality depending on the application. Although both are made from the same basic building construction materials, there are a few differences that you must consider before you choose which type of wall you want for your house. Needs richer mix Sep 28, 2021 · Types of Hollow Concrete Blocks. Here are a few things to keep in mind when using concrete hollow blocks in construction: Quality Control: Make sure to purchase high-quality concrete hollow blocks from a reputable manufacturer. Lightweight and economical, the SRC Panel System is the modern alternative to concrete hollow blocks (CHB) as a building material; it has far greater benefits than using CHB. Poor sound blocking: A hollow core door has less ability to block sound transmission than a solid core door. Plant: LBRDC Special Economic Zone, (formerly Victoria Wave Special Economic Zone) Brgy. Discover the benefits of LitePanel lightweight concrete for your construction projects. This means a building that can be 40% lighter, with a better safety factor as the structure is built higher Hollow Blocks Vs. ly/PhilRea Blocks of concrete are used for building. Overview of Brick vs. And Here's How To Contact SRC Panels: (02) 8-939-5893 09073409336 SRC Int'l Panel System, Inc. Jun 9, 2023 · Hollow Block is a type of concrete block used for building internal and external walls. Liteblock can be cut, sawn, drilled, chiseled, and screwed using common construction tools Strong & Durable. 72 before VAT. Jackbilt blocks have a smooth surface finish. Types of Concrete Blocks. Today, SRC Panel System has paved the way to a new generation of building construction material which is more economical, faster, and allows for a much safer structure. Thermal Insulation: Concrete blocks can be designed with hollow cores, which can be filled with insulation material to improve thermal efficiency. So, these blocks are used for a large work of masonry. Learn more about LitePanel today. In Canada, the cost of hollow blocks is around CA ( $1. Ecotrend AAC Panel Product Model. 29). Blocktec AAC Wall Panels provide a solid foundation for modular, rapid, efficient, and environmentally friendly wall systems. 186, North Caloocan City Para sa higit pang information about Archi Jun 14, 2023 · Liteblock is 50% lighter than traditional CHB (Concrete Hollow Blocks) and has better strength, insulation, soundproofing, fire resistance, and water absorption qualities. For starters, the name basically explains it all. Faster and easier installation: SRC panels can be installed by two workers in less than an hour, reducing labor costs and construction time. Concrete blocks come in various shapes and sizes, and they Mar 28, 2018 · The difference between hollow blocks and poured concrete. Philippine Realty TVSeason 11Subscribe to Philippine Realty TV YouTube Channel - http://bit. How Are Hollow Concrete Blocks Used in Construction? A semi-skilled worker can also work by hollow concrete blocks. Nov 1, 2019 · The construction of masonry walls is more efficient with hollow blocks than solid clay blocks due to their larger size. Oct 21, 2021 · POLYWALL® vs. Cons for this material, much like what you experienced with AAC, is the logistics of it. vs. Think of it as an upgrade to the traditional blocks without costing more. No option to conceal conduits etc. Fine aggregate is more (as high as 60%). ALIN ANG MAS MAHAL CHB WALL O EVG WALL?This video is NOT sponsored. PLASTERING WALL HOLLOW BLOCKS, EPS PANEL, SRC PANEL, M2 PANEL, SHOTCRETE SWIMMING POOL, RETAINING WALLS, REVETMENT CANAL WALLS, GROUTING PUMP MACHINES Mar 7, 2020 · A ribbed slab is a type of reinforced concrete slab in which some of the volume of concrete in the tension zone is removed and replaced with hollow blocks or left as voids. Take Ecotrend AAC blocks and Ecotrend AAC panels for example, here is a comparison of their specifications: Ecotrend AAC Block Product Model. These construction blocks can be ‘Hollow’ or ‘Solid,’ formed of ordinary or lightweight concrete in various specified sizes, depending on the precise requirements. Ordinary Portland cement is one ingredient used to make a hollow block. 5. Hollow blocks simulate stone textures like rock-faced, granite-faced, and rusticated. 2. Mar 22, 2021 · Perhaps this principle applies to a lot of areas in our lives, but here I will use it in the context of concrete hollow blocks (CHB) laying – because stack bond is so misunderstood, particularly in the Philippines, that most people who have no idea about masonry think it is laughable matter, convinced that it is a wrong way to build a wall. 4: Clay hollow block: 0. Hollow blocks are first class sound insulator. Blocktec AAC Wall Panel is the top provider of AAC Panel in the Philippines. We continuously invest in research and development to drive innovation and stay ahead of industry trends Aug 6, 2021 · Summing up, hollow concrete blocks or hollow concrete masonry units are more beneficial building material than conventional bricks. 5m lenght). This makes them less energy intensive to transport, as well as easier to move when on site. In the USA, the cost of hollow blocks is around 1$ to 3 $ per block. 00. No fine concrete is preferred. It consist of a polystyrene core sandwich in between a three-dimensional steel wire frame that consists of two outer layers of welded wire mesh and a series of diagonal trusses that pierces the Sep 25, 2023 · In Nepal, the cost of hollow blocks is around Rs 86 for a 4-inch wide. Some common hollow blocks are: Stretcher Environmentally friendly: AAC blocks and panels are made from natural materials and use less energy to produce than hollow blocks. See our detailed cost comparison and other features to see the impressive benefits of using Blocktec vs traditional hollow blocks. These blocks are made with average compressive strengths of 3. Block. gx nw ph je ah hy zn ck vb nc