Specialist roofing consultant terry hughes looks at vernacular slate and stone roofs.
Traditional slate roof verge detail.
Roof pitch the angle of a roof not only determines what slates to use but the amount of overlap that the slate roof needs to remain waterproof.
Overhang verge tiles should overhang the building fabric by between 38 and 50mm.
If a sprocketted.
Mortared roof verge traditional verge.
Eaves courses of tiles should be at same pitch as general tiling.
This is due to roof slopes being described whilst looking at the roof slope not the gable end.
General guidance on the most important points to be considered is given below.
Full application and sitework details are given on pages 8 to 22.
Colours include slate grey black brown and red.
Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.
A traditional verge is built on the fascia.
To get the most out of it is helpful to also read parts 1 and 2.
The article concludes with a consideration of the future of vernacular roof conservation noting the importance of ensuring that contractors who are.
Mortar on a roof verge undercloaked verge.
The following illustrations and text explain the common design details using eaves and verges that can occur on refurbishment and new work.
Mortar can be coloured to match the roof covering.
Aesthetic welsh slate combines beautifully with traditional and modern materials and provides the designer with a choice of colours and a natural distinctive texture.
Eaves with over fascia ventilation set top of fascia board at correct level and fit ventilator in accordance with manufacturers recommendations.
A welsh slate roof adds character and quality to any building.
Repointing a tile verge without removing the tiles and rebedding them on a mortar base is pretty much a waste of time.
Slating terms and phrases if you are not a seasoned roofer some of the terms used for slates batten spacing or overlapping of the slates can add to the confusion.
The starter course slate is the only slate on the roof that is supposed to be installed with the face down and the back up see photo below.
Welsh slate is non combustable and is compatible with all other building materials.
His article provides guidance on how to record them and gives an overview of typical vernacular details such as slate valley construction and lapping variations.
Effective design of a slate roof must take into account a number of inter related factors including site exposure the pitch of the roof the type of slate selected and the slate lap.
All other slates on the roof are installed with the face up in order to expose the beveled edges of the slate the face of the slate is the side that shows the beveled edge the back doesn t.
Part 1 a guide to roof construction covers an overview of flat and pitched roofs.
Part 3 of the four part guide to roof construction covers pitched roof detail.
