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About Bulletins

Bulletins are summaries clarifying information in the NZMRM Metal Roof and Wall Cladding Code of Practice.

Available in PDF format, they can be used to support project documentation.

Bulletin BV01 Cavity Batten Protection

Submitted by Alex Taylor on Fri, 30/08/2024 - 4:01pm

Department of Buiding and Housing advice on cavity battens.

Version 1, 31 May 2024

BV01_Cavity_Batten_Protection.pdf

Bulletin BSCE01 Cut Edge Treatment

Submitted by Alex Taylor on Fri, 30/08/2024 - 3:49pm

Guidance to minimise cut edge corrosion.

Version 1, 29 February 2024

BSCE01-Cut_Edge_Treatment.pdf

Bulletin BDL01 Double Lapping Roofing Sheets

Submitted by Alex Taylor on Fri, 30/08/2024 - 4:08pm

Clarifying when the use double lapping.

Version 1, 13 June 2024

BDL01_Double_Lapping_Roofing-Sheets.pdf

Bulletin BU01 Double Laying of Underlay on Re-Roof

Submitted by Alex Taylor on Fri, 30/08/2024 - 4:19pm

Recommendation for double laying underlaying when reroofing.

Version 1, 19 March 2024

BU01_Double_laying_of_Underlay_on_Re-Roof.pdf

Bulletin BC01 Clearance Between Sheet ends and Tranverse Flashing

Submitted by Alex Taylor on Fri, 30/08/2024 - 4:24pm

Clarifying recommendation for clearance between the bottom of the sheet end and tranverse flashings.

Version 1, 23 April 2024

BC01_Clearance_Between_Sheet_Ends_and_Transverse Flashings.pdf