CEN/TC 254/SC 1/WG 4 - General aspects
General aspects
General Information
Frequently Asked Questions
CEN/TC 254/SC 1/WG 4 is a Subcommittee within the European Committee for Standardization (CEN). It is named "General aspects". This committee has published 4 standards.
CEN/TC 254/SC 1/WG 4 develops CEN standards. Currently, there are 4 published standards from this subcommittee.
The European Committee for Standardization (CEN) is a public standards organization that brings together the national standardization bodies of 34 European countries. CEN provides a platform for developing European Standards (ENs) and other technical documents in relation to various products, materials, services, and processes, supporting the European Single Market.
A Subcommittee (SC) in CEN operates under a Technical Committee and focuses on a specific subset of the TC's scope. Subcommittees develop standards and technical specifications in their specialized area, reporting to their parent Technical Committee. They may also have working groups for detailed technical work.
This European Standard specifies a methods for the determination of "overall thickness" (method A) and "overall or component thickness" (method B) and "mass per unit area" of bitumen sheets for roofing. The determination of overall thickness by method A is only applicable to unembossed sheets. The determination of overall thickness by method B is applicable to embossed and unembossed sheets and can also be used for composite thickness measurements.
- Standard6 pagesEnglish languagee-Library read for1 day
This European Standard specifies the determination of the visible defects of bitumen sheets for roofing, which could influence the functional behaviour of these sheets.
- Standard4 pagesEnglish languagee-Library read for1 day
This European Standard specifies a method for the determination of the length, width and straightness of bitumen sheets for roofing.
- Standard6 pagesEnglish languagee-Library read for1 day
This European Standard specifies the general rules how to select the samples of bitumen, plastic or rubber sheets for roof waterpoofing from which the test pieces are taken. lt also specifies the conditioning procedures to be followed before the test piece is cut from the sample.
This standard is appliable in conjunction with product charateristics on bitumen, plastic and rubber sheets for roof waterproofing from which the test specimens are taken.
- Standard7 pagesEnglish languagee-Library read for1 day