Quinn lite blocks are high performance aac blocks manufactured using autoclaved aerated concrete, which are also commonly referred to as aircrete blocks. The requirements are easily met with a thermal insulation value of up to lamda. Product standard block u block o block jumbo block lintels 2,4,5,6,7,8,10,12 6,7,8. Aac blocks are light weight aerated autoclave concrete blocks. Work out all the different materials and surfaces that make up the wallceiling or surface you want to work out the r values and u values for. This heavy weight solid block is uniformly square and free of large chips. Siporex aac blocks siporex autoclaved aerated concrete aac blocks also known as autoclaved cellular concreteacc or autoclaved lightweight concrete alc. Aercon aac is the leading manufacturer of precast autoclaved aerated concrete products and prides itself on maintaining the highest level of customer service and support. The reinforcement is designed based on span and loads calculations. It is manufactured through a reaction of aluminium and a proportionate blend of lime, cement and fly ash. But the r value of aac is only one of the ways it saves energy. In practice, this is a decisive argument for contractors to use aerated. Insulation is typically specified in r, windows generally u, but youll get listings for both sometimes. Moreover, holladay writes, aac walls have a very low rvalue most are in the range of r8 to r11 and often require poured concrete bond beams that result in horrendous thermal bridging.
It is a lightweight, precast building material that simultaneously provides structure, insulation, and fire and mold resistance. The porous aac structure comes from being leavened with aluminum. Aac block calculator, smart block calculator jklakshmi. To meet the thermal efficiency requirements of that code, the epi must not exceed a value of 100. The quinn lite range offers highly efficient thermal blocks for use in external walls, rising foundation walls, internal partition walls and party walls between dwellings. The blocks are nonflammable, they are impermeable to frost and moisture and provide excellent industry leading insulating properties. During this process, the hydrogen gas that escapes creates millions of tiny air cells, rendering aac with a strong cellular structure. Forterras thermalite aircrete blocks are a costeffective solution for wall, floor and belowground constructions. Hemp blocks are manufactured using hemp blended with a lime and cement binder. Thermal performance for hebel aac create healthy homes. Thermal efficiency aercon aac autoclaved aerated concrete. Cost and environmental benefits of using aac blocks. Aac block masonry wall and flyashbased plaster and mortar u value.
F is a measure of the material conductivity as tested in a laboratory procedure that measures the heat flow through building material under steady and constant climatic conditions. Glass block are available in 45, 60 and 90minute ratings for window assemblies. Requires more due to irregular surface and more number of joints. Two layers of block, with an airspace, would still be less than r5. Glass block or insulated replacement window basement. Because of the biocomposite nature of the material, hemp block s unique environmental benefit is the carbon sequestration that can be offset against other areas of a buildings construction. Lightweight and fairly energy efficient, it is produced by adding a foaming agent to concrete in a mould, then wirecutting blocks or panels from the. Glass block specs here pdf look at the u value column r value works too, r and u are really the inverse of each other, so youre looking for a higher r value or a lower u value. Energy efficient glass block from quality glass block if you have any questions about the many energy efficient glass blocks for sale contact the experts at quality glass block and window co. Reddit gives you the best of the internet in one place. They contain up to 80 per cent recycled content, offer high thermal and sound insulation, good compressive strength, lightness for handling and moisture resistance. Autoclaved aerated concrete, or aac, is concrete that has been manufactured to contain lots of closed air pockets. Remember the horizontal or vertical orientation of the material is important to get its insulation value correct.
The blocks are supplied in either loadbearing or nonloadbearing formats. The lower the epi for a building, the more energy efficient and, therefore, the lower the energy costs for heating and cooling. Material uvalue wm2 k thickness mm extruded polystyrene xps 0. Autoclaved aerated concrete aac is a fully integrated building system of blocks and panels used in the construction of walls, floors and roofs. The outstanding thermal insulation by air trapped in millions of pores is a characteristic feature. Energy efficient glass block quality glass block and window. It is determined by dividing the u value into 1, r value 1 u value. Inherently, aac offers only moderate insulation values about r10 for an 8inchthick wall and r12. Our insulation calculator enables simple calculation of total wall, roofceiling or floor system insulation r values. U value of aac block and pvc sheet is calculated the same way as that shown for the roof. See pages 11 and 15 for additional technical information. All celcon blocks are bba certified, are fire resistant 100mm walls, up to 4 hours, 2 hours if loadbearing and have been classified 0 surface spread of flame and non combustible to class a1.
In all these application u blocks are laid like normal masonry blocks. For example, a building with material with an r value of r11 converts to an u value of 0. Building envelope design bureau of energy efficiency bee 23. The values fo the various aac thermal properties are included in a later section of this chapter. The information contained here is designed to offer the most economical solutions, keeping cavity widths to a minimum wherever possible. Concrete masonry blocks solid, hollow, thermal, hourdi. Above all, however, the ytong blocks are quick and efficient to lay.
Avoid wastage of materials while constructing your home by estimating the number of blocks required with our aac block calculator. It is the dynamic benefit for massive systems dbms, which is an independently researched, codeaccepted multiplier to static r values that gives an r value equivalence for dynamic systems i. Built by esd consultants low impact development lid consulting in melbourne australia the r value calculator is a practical tool to simplify total insulation calculations. Ytong block products have unlimited constructional possibilities and have very good physical building properties. Uvalue calculator for cavity walls how it works it is designed for all users, but specifically those who want to make an assessment of the u value achieved with various combinations of block and thermal insulation prior to finalising a wall design. The products and corresponding scratch marks are shown below. But aac has a high thermal mass, which slows the transfer of thermal energy and can greatly reduce heating and cooling costs. Standard grade celcon block nbs national bim library. Both u value and r value are a measure of resistance to heat flow and are referenced here to help understand u value. Of aac products blocks u blocks o blocks wall panels floor and roof panels lintels partition and cladding panels advantages of aac all elements made in one aircrete factory excellent fire resistance exact fit on site no waste light and strong loadbearing wall panels super smooth surface time and costefficient installation. We offer affordable pricing on energy efficient glass block products from seves glass block. As with a concrete wall, the mass of an aac wall stores thermal energy when the ambient temperature is higher than the wall temperature. R value is not typically used as a measurement for glazing products.
We are the only autoclaved aerated concrete aac provider that manufactures their product in the united states. They are particularly suited for cavity and solid wall construction that require low u values to be met. Siporex blocks bangalore, bengaluru siporex tumkur aac. It may be used in either a loadbearing capacity or as a nonload bearing component such as cladding or infill. Tables of u values table a1 indicative u values wm2k for windows and rooflights with wood or pvc u frames, and doors gap between panes adjustment 6mm 12mm 16mm for rooflights or more in. Lighter, more fireresistant, and a better insulator, autoclaved aerated concrete caught on in the rest of the world ages ago.
The r value of our thinline series 3 18 inch thick glass block when installed with mortar is 1. Thermal blocks thermal block in uae thermal block in. Aac block construction and rvalues fine homebuilding. With decades of experience and sales in over 100 different aac plants in 20 countries on 6 different continents, aircrete europe is the recognized global leading developer and manufacturer of autoclaved aerated concrete aac machinery and technology for the production of aac panels and blocks. Aac blocks why aac blocks are greener 1 recycled content aac uses fly ash about 60 to 75% fly ash is a waste product generated from thermal power stations 2 resource efficient manufacturing process aac blocks uses less power reduces power consumption by 27% zero wasteall the recycled material is used in the process 3 raw materials. Ytong block the ideal solution for modern buildings. The r value of a typical 8inchthick aac wall is r10. U values by measurement or calculation according to the standards given in section 0 should be used in preference to the data given in these tables. If energy efficiency is the trump card for you, youll go with regular windows over glass block. Reference table for u values u value is the coefficient of transmission, i.
Wall insulation and cavity wall with insulation u value. However, there will be alternative options available with other insulation types and for specific u value calculations, please contact our technical department. The use of supabloc will minimise the amount of additional thermal. Ah, i have found some great information thanks to the folks at trustone america i believe formerly ecrete, manufactures of aac blocks. Glass block walls, partitions and windows combine the delicate beauty and light transmission of glass. This block is a standard product which is produced in various sizes, formats and bulk densities. This study calculated the epi for a building which utilized 8inch thick aercon block for the exterior walls. Blocks u value calculator this simple and easytouse calculator has been designed to help calculate the thermal performance of varying wall configurations. With stepbystep graphical product selections, you can mix and match with both aggregate and aircrete block options and choose from a comprehensive range of insulation types to ensure best.
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