148 lines
3.8 KiB
Plaintext
Executable File
148 lines
3.8 KiB
Plaintext
Executable File
property
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-----
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# How to . . . replace broken or missing slates
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## David Snell continues his new series spelling out some of the basic rules
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of DIY
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By David Snell 12:01AM BST 06 Jul 2002
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[Comments][1]
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**For this job, you will need:**
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* Replacement slates
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* Bricklaying trowel or slater's axe (sax)
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* Hammer
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* Strips of copper or lead
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* Slater's rip
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* Ladder
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* Tower scaffold
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* Roof ladder
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**And maybe:**
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* Hydraulic lime and sharp sand
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* Pegs or dowels
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* Drill - unless you have a sax
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Cracked or broken slates or tiles can let water into the roof and cause
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considerable structural damage to the timbers. In windy conditions, they can
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also be stripped wholesale off the roof and pose a serious danger to any
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passers-by.
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Always take care when working on a roof. Use a tower scaffold with appropriate
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boarding, guard rails and toe boards to reach the eaves. Employ bracing and/or
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tie the tower through a window to a board across the reveal. Use a roof
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ladder, wheeled up the roof and then hooked over the ridge and, if necessary,
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employ sacks filled with straw under the resting points, to further protect
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the roof.
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Slates are usually nailed twice to the battens. Failure can be due to the
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rusting of the nails or the cracking of the slate itself. Because slates are
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laid treble-lapped, it is not possible to re-nail a replacement slate. A
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slater's rip is a long thin implement with a fishtail hook at the end. Slide
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the rip up under the overlapping slates to pull out or cut off the old nails.
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Scour local reclamation yards to match the replacement slate for colour and
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thickness. Slates have the edges bevelled to the top or weathering surface.
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If you need to cut a slate to length or width, mark it by scoring a line with
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a nail, then place the slate, bevel side down, on a bench or flat surface,
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with the section to be cut off overhanging. Using the edge of a bricklayer's
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trowel or a sax, chop off the excess. Cut a strip of lead or copper about 25mm
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wide and 25mm longer than the slate. Nail this strip to the batten through and
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between the slates immediately below the slate to be replaced. Slide the slate
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up and home so that the trailing edge is in line with the others. Fold the
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copper or lead strip up and over to secure the slate.
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If you are replacing larger areas of slate, you will need to drill or punch
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holes for the nails. If you punch them with the point of a sax, this will
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countersink the hole. Do not nail too tightly. Do not nail into lathes as they
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are not strong enough - in this case, cut pegs of wood, insert them into the
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holes in the slate and hook the pegs over the lathe.
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Some stone slates or thicker slates are held in place with pegs, hooked over
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the batten or lathe. They are often also secured by a horseshoe of lime mortar
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under the tail of each slate. Use a lime mortar, one part St Astiers hydraulic
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lime to two parts sharp sand and be careful to wipe off any excess.
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* [Previous How to . . . soundproof][2]
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[X][3] Share & bookmark
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[What are these?][4]
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* Share: [Share][3] [ ][5] [ ][6]
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[Tweet][7]
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http://www.telegraph.co.uk/property/3304103/How-to-.-.-.-replace-broken-or-
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missing-slates.html
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Telegraph
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## [Property][8]
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Related Partners
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* [Innovative design from Alessi][9]
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[X][3] Share & bookmark
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Delicious Facebook Google Messenger Reddit Twitter
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Digg Fark LinkedIn Google Buzz StumbleUpon Y! Buzz
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[What are these?][4]
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Share:
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* [ ][3]
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* [ ][5]
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* [ ][6]
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* [Tweet][7]
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* Advertisement
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![][10]
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telegraphuk
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Please enable JavaScript to view the [comments powered by Disqus.][11] [blog
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comments powered by Disqus][12]
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* [UK Homes][13]
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* [RHS Chelsea][15]
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