Construcción

Construcción

ISO 24338:2022 - Laminate floor coverings — Determination of abrasion resistance
- This document specifies two methods (A and B) for measuring abrasion of laminate floor covering elements. The tests described measure the ability of the surface layer to resist abrasive...
ISO 9528:2022 - Aerospace — Standard-weight polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/21 000 kPa — Procurement specification
- This document specifies requirements for standard-weight polytetrafluoroethylene (PTFE) hose assemblies for use in aircraft hydraulic systems at temperatures between –55 °C and +204 °C...
ISO 9938:2022 - Aerospace — Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/28 000 kPa — Procurement specification
- This document specifies requirements for polytetrafluoroethylene (PTFE) hose assemblies for use in aircraft hydraulic systems at temperatures between –55 °C and +204 °C and at a nominal...
D7186 Standard Practice for Quality Assurance Observation of Roof Construction and Repair has been reapproved, available as D7186-14(2021)
11/11/2021 - Significance and Use 4.1 Quality assurance observation of roofing projects is an important process for determining if the removal, installation, repair, or maintenance of...
D7281 Standard Test Method for Determining Water Migration Resistance Through Roof Membranes has been reapproved, available as D7281-07(2021)
11/11/2021 - Significance and Use 5.1 This test method provides a means of evaluating roof membranes, seams, and laps for resistance to water migration from standing water on the roof. This...
F1344 Standard Specification for Rubber Floor Tile has been revised to F1344-21a
- Abstract This specification covers requirements for the compound and physical characteristics of rubber floor tile. The polymeric binder of the rubber floor tile shall have...
F1859 Standard Specification for Rubber Sheet Floor Covering Without Backing has been revised to F1859-21a
- Abstract This specification covers the requirements for the compound and physical characteristics of homogeneous (Type I) and layered (Type II) rubber sheet floor covering...
F2881/F2881M Standard Specification for 12 to 60 in. [300 to 1500 mm] Polypropylene (PP) Dual Wall Pipe and Fittings for Non-Pressure Storm Sewer Applications has been editorially changed, available as F2881/F2881M-21e1
- Abstract This specification covers test methods and requirements for dual wall polypropylene pipe and fittings. These requirements are intended to provide pipe and fittings...
ISO 23999:2021 - Resilient floor coverings — Determination of dimensional stability and curling after exposure to heat
01/11/2021 - This document specifies a method for determining dimensional stability and curling of resilient floor coverings, in the form of sheets, tiles or planks after exposure to heat.
F511 Standard Test Method for Quality of Cut (Joint Tightness) of Resilient Floor Tile has been reapproved, available as F511-17(2021)
- Significance and Use 3.1 Installations of resilient floor tile require tight joints if satisfactory appearance is to result. The quality of cut of resilient tile is determined...
F2055 Standard Test Method for Size and Squareness of Resilient Floor Tile by Dial Gauge Method has been reapproved, available as F2055-17(2021)
- Significance and Use 3.1 Both dimension and squareness of resilient floor tile are important considerations, because installed flooring may exhibit an objectionable appearance...
F2419 Standard Practice for Installation of Thick Poured Gypsum Concrete Underlayments and Preparation of the Surface to Receive Resilient Flooring has been reapproved, available as F2419-11(2021)
- Significance and Use 4.1 This practice provides minimum recommendations for the installation of thick poured gypsum concrete floor underlayments suitable to receive resilient...