Construction materials

Committee: CEN/TC 246 (Natural stones)
Origin: CEN
Close date: 26 Dec 2017
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This European Standard specifies a method to assess possible alterations of natural stones (mainly visible sensitivity to oxidation processes) under the effect of sudden changes in temperature (thermal shock).

Committee: CEN/TC 125 (Masonry)
Origin: CEN
Close date: 02 Jan 2018
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This European Standard specifies a method for determining the freeze/thaw resistance of clay masonry units that are declared by the manufacturer as meeting the requirements for U units and as suitable to be subjected to severe (F2) exposure.

Committee: CEN/TC 254 (Flexible sheets for waterproofing)
Origin: CEN
Close date: 02 Jan 2018
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This European Standard gives a calculation method of the Solar Reflectance Index (SRI) and the determination of solar reflectivity and thermal emissivity for waterproofing flexible sheets for roofs with a slope smaller than 10°.

Committee: CEN/TC 88 (Thermal insulating materials and products)
Origin: CEN
Close date: 09 Jan 2018
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This European Standard specifies equipment and procedures for determining the resistance of kits out of external thermal insulation composite systems (ETICS) to tension and/or shear forces.

Committee: CEN/TC 254 (Flexible sheets for waterproofing)
Origin: CEN
Close date: 16 Jan 2018
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concrete bridge decks and other concrete surfaces trafficable by vehicles.

This document specifies:

— the composition, the characteristics and the preparation procedure of the base specimen concrete slabs;

— the composition, the characteristics and the preparation procedure of different bituminous mixtures for the asphalt layer;

— the rules for the preparation of specimens.

Committee: CEN/TC 254 (Flexible sheets for waterproofing)
Origin: CEN
Close date: 16 Jan 2018
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This European Standard specifies characteristics and performance of reinforced bitumen sheets for waterproofing of concrete bridge decks and other trafficked areas of concrete where the waterproofing system is fully bonded to the concrete deck and fully bonded to the asphalt overlay.

Committee: ISO/TC 43/SC 2 (Building acoustics)
Origin: ISO
Close date: 22 Jan 2018
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Committee: CEN/TC 125 (Masonry)
Origin: CEN
Close date: 23 Jan 2018
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This European Standard specifies the characteristics and performance requirements for nonloadbearing (low non-resisting or non-resisting) or loadbearing (semi-resisting or resisting) clay blocks for the use in floor plates.