Technically, leca block contains airfilled pores with the airfilled clayey cells, which contribute to its insulation properties. Slope construction on roofs leca makes it easy to construct slopes on flat roofs and carry out roof insulation at the same time general procedure deposit the leca and level to the required gradient. Leca lightweight concrete leca lightweight concrete 1. Contact us timber and lime conservation glasgow, scotland. Improving the building envelope as shade, windows, materials, etc.
With a product line of breadth and quality that is secondtonone, ips enables architects, interior designers, and consumers to more fully express their creativity with a. Lecablock, an alternative construction material for the exterior walls. The blocks are made of leca light aggregate and similar to. Determination of thermal characteristics of standard and. The partition walls are made of 88 mm thick leca easylex partition wall blocks. Energy efficiency with leca blocks the facades of the house are made of 380 mm thick leca design sandwich blocks. Danish leca blocks are manufactured in 100 mm, 150 mm and 190 mm thicknesses. Leca lightweight clinker concrete is made with the same material properties as the solid leca block 600. Whether doing largescale or smallscale construction projects, in order to make the building process costefficient and run more smoothly, building materials need to be easy to handle, easy to transport and flexible to work with. Outer leaf 100mm gpi block insulation 85mm dritherm 32 inner leaf 100mm gpi block finish lightweight plaster option 10 u value 0.
Danish leca blocks provide effective protection against. A study on application of modern construction materials and. The massive leca block was introduced on the norwegian market in the middle of the. Crosssection through the leca block wall and floor. The requirements of the energy performance directive was last updated in 2014.
The results show that leca block wall has lower u value than the timbre wall. The straight blocks and corner blocks in widths 200 350 have holes. The thermal transmittance uvalue is calculated accordingly. Our online u value calculator creates instant thermal assessments, try it today. This download was scanned by our antivirus and was rated as malware free. Ips wave pattern glass block window with hopper vent at menards. 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. Cookies enable you to enjoy certain features like saving your bag, social sharing functionality for facebook, instagram, etc. The actual developer of the free program is gorhill. I came across some info on perlite and even vermiculite and lightweight expanded clay aggregate leca as a potential insulation material. R value and u value of thermalite j1 and j2 block wall section of different thickness are shown in the tables 79. Leca lightweight aggregate lwa is used extensively as a lightweight fill for civil engineering and structural applications including highways, bridges, rail, marine, chemical biofilters, water filtration, retaining walls, green roofs, sports centres. Thermalite turbo offers very high thermal insulation properties so is ideal for external applications where low uvalues are required.
What is not taken into account in these calculations is ho w this value is constant overtime. Mineral wool is a popular insulation recommendation, but it seems expensive and has limited supplier options. Energy efficient glass block quality glass block and window. Our trusted team of specialists have years of industry experience, and well install your insulation with the minimum of disruption to your daily life. Thermal simulation software tools have been widely used by. I realize that it has a lower r value per inch than others perlite loose fill at 2. The u value or u factor measures how much heat a window, including the frame, glass, and insulating materials, allows out of the house, which is also known as its thermal transmittance. Free parametric bim models of block in gdl, 3ds, dwg and. Leca lwa lightweight aggregate has been around since the 1940s. Leca lwa and leca blocks are mainly known for their functional benefits, with a long history which dates back to more than 75 years. This study calculated the epi for a building which utilized 8inch thick aercon block for the exterior walls.
The lower the u factor, the better the window is at keeping heat inside, this is desirable in colder climates. How to insulate a concrete block house the easy way home logic. The r value of our thinline series 3 18 inch thick glass block when installed with mortar is 1. Leca sandwich blocks have the best uvalue in the market, which makes the house extremely energy efficient, voutilainen comments. Pdf lecablock, an alternative construction material for the. Light expanded clay aggregate leca masonry block is a low. Thermal efficiency aercon aac autoclaved aerated concrete. The overall thermal transmittance value uvalue for the roof should not be more than 0. The lower the epi for a building, the more energy efficient and, therefore, the lower the energy costs for heating and cooling. If youd like more information about external wall insulation, or how to insulate a concrete block house, you can contact us at any time. The following u value calculations are a small selection of the many options available. The information contained here is designed to offer the most economical solutions, keeping cavity widths to a minimum wherever possible. The building design includes a firewall and as leca lwa is a noncombustible material with good fire resistant properties, leca murblock and leca isoblock 2.
Of course, a leca block house that is smoothed out and. 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. The uvalue of the leca block wall was found to be lower than the uvalue of the timbre wall. The block was procuced on a german licence gebhardt, aichstetten and gave an u value of 0. If you used the 215 block, had render on the exterior and applied some insulated plaserboard internally to achieve the requisite uvalue, you could end up with a thinner wall. Latest report on uvalue of leca blocks by dubai municipality. The r value is the reciprocal of the thermal transmittance u factor of a material or assembly. These reduces the weight of the blocks, but can also be used as channels for installations. Block windows company, is proud to be the leading manufacturer of privacy windows in the united states. The 100 mm and 150 mm sizes are normally used for cavity walls and curtain walls. Uvalue, moisture, thermal bridges, passive house, energy efficiency, loadbearing capacity. Cost optimal and nearly zero nzeb energy performance. Lecablock, an alternative construction material for the. International product supply is one of the largest manufacturers of glass block in the world, celebrated for classic architecture and glass artisans.
Sep 25, 2019 how to insulate a concrete block house with home logic. In this paper it is attempted to investigate the leca blocks as. Leca lightweight aggregate is actually more modern than ever and a highly resource efficient material within infrastructure, housing and water management projects. Leca lightweight expanded clay aggregate provides numerous alternative types of application for construction projects. 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. Hollow clay blocks hcb, autoclaved aerated concrete blocks aac, leca. Hylite offers a wide selection of customized, preframed acrylic block windows, glass block windows and decorative glass windows. Warning we use cookies to improve your experience on our site. The length and height dimensions of leca blocks are 490 mm x 190 mm. At quality glass block and window company we are proud to offer energy efficient glass blocks from seves glass.
Thermal blocks thermal block in uae thermal block in. At forterra, our u value calculator allows you to create u values for a variety of walls. They are dedicated to leading glass block design to a colorful new future. Two layers of block, with an airspace, would still be less than r5.
Lecaterm block the cores of foam plastic are fitting with dovetail grooves and castingin ensures they are permanently locked into the jambs. Houses leca da palmeira, leca da palmeira updated 2020 prices. However, there will be alternative options available with other insulation types and for specific u value calculations, please contact our technical department. To meet the thermal efficiency requirements of that code, the epi must not exceed a value of 100. Wooden beams, metal sheet, 80 cm min wool insulation, concrete slab. Uvalue calculator instant thermal assessments forterra.
In line with technical guidance on part l, meeting the u value of 0. Conventional 8 inch concrete block walls have an r value of 0. Lightness combined with good bearing capacity and thermal insulation properties of the material makes it a material of choice in construction on a soft, poor bearing subgrade. While leca lightweight aggregate is a simple product, our solutions are innovative. Strength danish leca blocks are supplied in block class 3. The u value of the leca block wall was found to be lower than the u value of the timbre wall.
Jul 17, 2017 by comparison, plywood has an r value of 2. Of course, a leca block house that is smoothed out and rendered on both sides is extremely airtight. Timber, lime, stone, plaster, and historic floors using traditional materials and techniques. Leca solid blocks are suitable for innerleaf walls. A u value is a measure of heat loss in walls, floors and roofs. U value 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.
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