Discussion in roofing and guttering started by luxmore100 23 jun 2013.
Scottish roof construction.
Accredited construction details scotland 2007 this document provides guidance and one method to meet some of the requirements of the functional standards set out in regulation 9 of the building scotland regulations.
23 jun 2013 messages.
The roof is fibre cement slates nailed directly onto sarking boards.
Hi any help would be appreciated i have just bought an old croft house in the highlands of scotland.
Slate has been used for this purpose for centuries.
Scottish slate is a long lasting roofing material and although slate roofs have a finite life a lifespan of up to or beyond 100 years is quite common.
Scottish roof structures seem to have been a neglected area within the construction history studies.
There are two basic methods of pitched roof construction.
Overview the roof covering is a building s first line of defence against the weather.
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.
It s wise to inspect slate roofs regularly to spot potential problems as soon as they appear.
Scottish slate has a well earned reputation as a long lasting material.
For more information on what is considered a permitted development when adding to your roof read the scottish government s guidance on householder permitted development rights publication and go to section 4 42.
A cut roof this is the traditional method of cutting the timber on site and building up the roof using rafters ridge boards joists and purlins etc the exact details being determined by the size of roof size of timbers etc.
It is particularly well known for its use as a roof covering on many traditional scottish buildings.
The guidance is not prescriptive and other methods of meeting the functional standards will exist.
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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.
If you want to add to your roof but it does not meet the conditions for permitted development you have to apply.
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.