The total weight of slates on a roof can be calculated as follows.
Traditional slate roof construction detail.
Slate has been used as a roofing material in north america for hundreds of years many of which could be in service for many years more.
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.
Example slate type del carmen slate size mm mm 400 250 weight of slates kg 1000 1235 exposure moderate roof pitch 40 roof area m 2 150 length of roof slope m 9 5 the headlap can be found from table 1 by reference to slate size roof pitch and exposure 65 mm.
Traditional slate roofing is a slate roofing company based in cleveland ohio.
With over 10 years of experience in roofing and custom copper work tsr offers the best solutions for all kinds of roofing related problems.
Specialist roofing consultant terry hughes looks at vernacular slate and stone roofs.
Moses jenkins of historic scotland s technical conservation group explains the special characteristics of scottish slate and slating practice diminishing courses single nailing laying onto sarking board etc before going on to provide an overview of survey and sympathetic repair techniques which will preserve the character and functionality of historic scottish slate roofs.
Although slate roofs can be repaired through known traditional techniques it s important to understand the entirety of the slate roof both material and craftsmanship to determine whether to repair or replace.