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YOU, and BS 5534
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Catalog excerpts

YOU, and BS 5534 - 1

YOU, ME and BS 5534 The British Standard for Slating and Tiling has been updated and makes some significant changes to roofing installation. Marley Eternit are on hand to help you and here we set out the key changes and some of the solutions we have in place to help you deal with those changes.

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YOU, and BS 5534 - 2

Fixing Change: Every single lap tile must be mechanically fixed Changes to wind load calculations will require all single lap tiles to be mechanically fixed with either a clip or a nail. The proportion of each will depend on a number of factors which can be calculated by our fixing specification service. From September 1st until the end of February 2015, it will be possible to request a fixing specification to either the old or the new standard, however, it is advisable to keep in mind that when the new standard becomes mandatory, any roof not started by this point will need to be fixed in...

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YOU, and BS 5534 - 3

Dry fix solutions Change: Mortar can no longer be used as the only means of fixing Under the new standard, the use of mortar as a sole means of fixing roof tiles and fittings is insufficient. Not only should careful consideration be given to the creation of a suitable roof mortar through the correct sand and cement mix, but tiles or fittings bedded with this mortar must also be accompanied by a mechanical fix. Solution: Mortar bedded security ridge and hip kits Where mortar bedding is required, Marley Eternit now offers a mortar bedded security ridge and hip kit, providing installers with...

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YOU, and BS 5534 - 4

Underlays Change: With lightweight underlays now commonplace, it has been necessary to issue new guidelines to ensure they are securely installed. In contrast to their traditional bitumen coated predecessors, the new lightweight underlays, if not secured properly, can ‘balloon’ in the roof space, placing a load on the underside of the roof covering, with the potential to dislodge it. Solution: When installing any underlay, It is important that both manufacturer and British Standard guidelines are followed. Services Marley Eternit offer a full range of technical and on line advice services,...

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