Nhbc Roofing Battens

Tiling battens access to roof voids spandrel panels to cold roofs.

Nhbc roofing battens.

For technical advice and support call 01908 747384 or visit www nhbc co uk in this issue. Builders book an illustrated guide to building energy efficient homes. The main roof underlay should be cut to the valley batten line a strip of underlay should be laid under the main roof underlay and held down by the valley battens where used. This is generally referred to as architectural roofing.

Ridge and hip tiles should be mechanically fixed with self sealing non ferrous fixings into timber battens and have a nominal joint thickness of 10mm where wet bedded. In accordance with bs 5534 accompanied by a delivery note and marked with the supplier origin grade and size. Only recently since 1990 s has architectural roofing entered into the mainstream of residential roofing market. Wet bedded baby hip ridge tiles to low level roofs such as those over porches and ground floor bay windows do not require mechanical fixing unless recommended by the.

Nhbc s registered address is. Next it s time to select the battens. Nhbc is authorised by the prudential regulation authority and regulated by the financial conduct authority and the prudential regulation authority. Bs 8000 6 code of practice for slating and tiling of roofs and claddings accepts a di erent jointing arrangement where batten gauges are less than 200mm.

Ridge tiles need to be mechanically fixed for at least 900mm from the end and either side of a party wall. National house building council is registered in england and wales under company number 320784. Introducing revised chapter 7 2 pitched roofs page 1 pitched roofs a high proportion of claims page 1 roof mortar page 2 mechanical fixing of ridge and hip tiles page 3 dentil tiles in ridges and hips page 4 interlocking tiles page 4. In today s metal roofing market on new construction or replacement roofing the trend is moving towards the use of standing seam vertical seam or batten seam metal roofing.

Nhbc house davy avenue knowlhill milton keynes bucks mk5 8fp. Fixing tiling battens to masonry new october 2018 nhbc standards chapter 6 2 external timber framed walls. Nhbc standards 7 2 s11 c states that not more than one in four battens should be joined over one truss or rafter. Tiling batten sizes are either 25x38mm or 25x50mm depending on the tile design 19x38mm battens are no longer suitable see appendix 7 2f.

National house building council is registered in england and wales under company number 320784. These battens were developed in conjunction with the bre and meet nhbc requirements for fully graded roofing battens. Battens and counter battens shall be adequately sized and spaced to support the roof covering. Jb red battens from marley is a high quality roofing batten that is pre graded and meets the performance requirements of bs 5534.

Nhbc standards extra issue 29 april 2004.