Product category:
Roofing and Roofllights
News Release from: Monier | Subject: New Zonal Fixing Method
Edited by the Buildingtalk Editorial
Team on 30 January 2007
Lafarge Roofing and new Zonal Fixing
Method
New Zonal Fixing Method promoted by the NFRC as stormproof alternative to simplify ensuring all different designs of pitched roofing across housing developments meet BS 5534.
Lafarge Roofing's Technical Solutions team is already geared up to provide specifications according to the new Zonal Fixing Method promoted by the NFRC (National Federation of Roofing Contractors), as a stormproof alternative to simplify ensuring all different designs of pitched roofing across housing developments meet BS 5534 This is to overcome the problem that manufacturers' fixing recommendations can involve site inspectors making sure as many as three different specifications in different zones of the same roof are adhered to for each property in a single housing development site, to sign off the necessary NHBC certificate
This article was originally published on Buildingtalk on 10 Jul 2006 at 8.00am (UK)
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Bearing in mind up to nine different roof designs could be involved within a developer's site, this can leave plenty of margin for human error.
The prime cost of any such human error is often fixings not adequate to withstand the next stormy weather.
To comply with BS 5534, manufacturers have been previously forced to recommend different fixings for roof borders known as the perimeters, sections next to those called local areas and the other general areas of the roof.
Perimeters and local areas can also apply to any protrusions, such as chimneys, rooflights or dormers.
The new Zonal alternative simplifies both how a roof is fixed and the checking procedure to have the necessary NHBC certificate signed off, by recommending one conservative failsafe specification of fixing across a whole roof and in many cases across the whole site.
"There is a price for this simplicity, because it means more higher specification fixings are used and this may therefore incur higher costs for the contractor," said Technical Solution's Manager Kevin Ley.
"It could mean a whole roof's slates or tiles being clipped.
"By reducing the risk of errors being made and therefore failure claims, the Zonal Fixing Method means achieving as-near-as-possible to zero-risk of expensive remedial work".
The telephone number to call for Lafarge Roofing's Technical Solutions service is 08708 702595.
Zonal fixing datasheets for Redland's range of slates and tiles are available on the website.
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