Test method

EN 12317-1 - Flexible sheets for waterproofing - shear resistance of joints - bitumen sheets

Testing · NAC-037-TL

In short

EN 12317-1 - Flexible sheets for waterproofing - shear resistance of joints - bitumen sheets. Amstelfy's laboratory determines shear resistance of joints of bitumen sheets according to EN 12317-1 under its ISO/IEC 17025 accreditation (NAC-037-TL). The method is typically part of initial type testing, ETA test programmes or factory production control verification; results are reported in English for manufacturers across Europe.

What we assess

shear resistance of joints

Products covered

bitumen sheets

Accreditation status

Activity	Standard	Accreditation	Validity	On scope
Testing	ISO/IEC 17025:2017	NAC-037-TL	valid until 2 December 2028	Yes
Product certification	ISO/IEC 17065:2012	NAC-026-PPS	valid until 31 January 2030	No
Validation & verification	ISO/IEC 17029:2019	NAC-006-VV	valid until 31 January 2030	No

NAC-037-TL — View certificate (PDF)NAC-026-PPS — View certificate (PDF)NAC-006-VV — View certificate (PDF)

Route to market

This test method is used inside initial type testing, ETA assessment programmes and factory production control verification. Amstelfy reports it as an accredited test under NAC-037-TL, either stand-alone or as part of a complete test programme.

How it works

1
Send the standard number, product description and intended use
2
We confirm the applicable test series, sample quantities and timeline
3
Samples are delivered to Veilmeesterweg 20, 1187 ZW Amstelveen (Mon-Fri 09:00-17:00)
4
You receive the report in English, written for the TAB, Notified Body, evaluation service or programme operator.

Frequently asked questions

Yes - it is listed on the ISO/IEC 17025 testing scope NAC-037-TL.

bitumen sheets.

Yes. Samples are shipped to the laboratory in Amstelveen, 10 minutes from Schiphol; quotations, test plans and reports are in English, and correspondence is also possible in Dutch and Turkish.

Related standards

All Waterproofing membranes, roof underlays & liquid-applied systems testing