Scottish Roof Construction Details

The updated detail sets do not supersede previous versions but reflect the likely changes to scottish construction practices which meet or improve upon the design u value for walls floors and ceilings cited in the fuel package table of section 6 1 of the technical handbooks.

Scottish roof construction details.

2 10 ground bearing floor slab. Wall ground floor junction. Top of mansard roof coping cover this detail shows a condition where the top of the mansard meets a coping cover. These include features such as diminishing courses random lengths and widths of slate single nailing and laying onto sarking board rather than battens figure 1.

Building planning and design. Accredited construction details scotland 2007 directorate. Typically a scottish practice the roofing underlay is laid directly over a series of sarking boards fixed to the roof rafters with the roof slates nailed directly to the sarking boards. A sealed roof system is achievable using a vapour permeable underlay such as monarperm 700 if a minimum 2mm gap can be guaranteed between the sarking boards which should be a minimum of 150mm wide.

The top of the rafter is cut at an angle and nailed to the ridge board typically 175mmx32mm 7x21 2 inch mounted vertically. A detailed visual overview of the range of roofing materials and techniques that are to be found in scotland. Each rafter has a small triangular section referred to as birdsmouth joints cut out of them to allow them to fit neatly over the wall plate. Roof slating tiling.

Construction details for typical mansard roofs are shown in figure 6. Scottish slate roofs have a number of characteristics which make them well suited to both the local climate and the nature of the material produced by slate quarries in scotland. Government accredited details developed by bre for local government search. Local government and communities directorate part of.

Guidance and one method to meet some of the requirements of the functional standards set out in regulation 9 of the building scotland regulations. Robustdetails is the alternative to pre completion sound testing in new attached dwellings under the authority of statutory instruments 2004 1465 1466. The top edge of the pans are folded out to the height of the standing or batten seam then bent down 3 4.