Use two tiles to determine the spacing required for the battens.
How to tile roof valley.
Valley with metal lining.
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Interleave mitred tiles with metal soakers extending a minimum 150mm to each side of valley.
The tile roof institute tri concrete and clay tile installation manual for moderate climate regions allows for open flashing exposed and closed tiles meet over flashing valley installations.
A minimum of a 3 inch overlap is required for the tiles.
This video shows the traditional and best way to repair a lead valley on a roof.
Up next how to tile a roof with clay or concrete tiles new roof duration.
And either an organic or modified underlayment depending on whether tiles or shingles are being installed.
Cut tile and a half tiles and fix to form a straight weathertight close mitred junction.
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This method of lead valley repair is proven to not only be fast and safe wit.
After you have determined the distance between the first two battens measure the distance and set battens using that.
Fix soakers by turning down over heads of mitred tiles.
This video shows how to repoint a lead roof valley.
Cover valley with a strip of underlay not less than 600mm wide underlapping general underlay.
Installing a close cut grp valley with redland 49 tiles.
A roof using the open valley style involves placing a v or w shaped piece of metal usually galvanized or sometimes copper in the seam of the valley and then covered with a base sheet such as 30lb.