Cpd Posted February 6, 2019 Posted February 6, 2019 20 minutes ago, ProDave said: All I can say is all houses I see being built up here have sarking on the roof. Same here on the west coast, standered practice.
makie Posted February 6, 2019 Posted February 6, 2019 1 minute ago, Cpd said: Same here on the west coast, standered practice. Major house builders don't do it purely because it is cheaper and not required.
Ed Davies Posted February 6, 2019 Posted February 6, 2019 It's not a matter of which wind zone the house is in, is it?
Simplysimon Posted February 6, 2019 Posted February 6, 2019 all houses here have osb on top of the trusses. adds a considerable amount of racking strength to the roof, never seen one locally without osb or sarking if being slated.
Thedreamer Posted February 6, 2019 Posted February 6, 2019 A lot of houses being built here on Skye use roof cassettes. https://www.ruralhouse.co.uk/process/ I wonder how strong these are compared to the traditional rafters/sarking combination?
ProDave Posted February 6, 2019 Posted February 6, 2019 5 minutes ago, Thedreamer said: A lot of houses being built here on Skye use roof cassettes. https://www.ruralhouse.co.uk/process/ I wonder how strong these are compared to the traditional rafters/sarking combination? Isn't that in effect a cut roof pre fabricated and lifted in in sections?
Thedreamer Posted February 6, 2019 Posted February 6, 2019 1 hour ago, ProDave said: Isn't that in effect a cut roof pre fabricated and lifted in in sections? Did you see the video? Are those bits that get lifted in, like SIPS panels but in a roof?
ProDave Posted February 7, 2019 Posted February 7, 2019 9 hours ago, Thedreamer said: Did you see the video? Are those bits that get lifted in, like SIPS panels but in a roof? Yes I guess they must be some form of SIP panel. The interesting thing is that it is not a continuous panel the full length of the roof, an off thin panel was added at the top. But for the point of this discussion id does appear to have a (probably OSB) sarking layer on top. 1
scottishjohn Posted February 7, 2019 Posted February 7, 2019 (edited) the 20 houses built next to my current house. making a small scheme -built in about 1992 by robison &davison locally know as R&D or rough and dangerous they were all built with english type roof ,no sarking boards ,so there must be a loop hole somewhere or SE has assured planning that they will take wind loads ?? . so yes its not a new thing houses being built by the bigger builders not using sarking board roofs in scotland I suppose it could be a balancing cost factor between more skinner trusses +sarking and thicker ones and no sarking I doubt it will be a wind loading factor that sways big builders on which way to build Edited February 7, 2019 by scottishjohn
makie Posted February 7, 2019 Posted February 7, 2019 It's purely because it is cheaper and doesn't make much of a difference
scottishjohn Posted February 7, 2019 Posted February 7, 2019 once i get to a plan ,that is one thing I will try to quantify .both on cost +insulation value difference between sips panels and fully trussed roof and all the insulation etc . and then non sarking type roof as an option as well roof on in a day is very attractive part of the sips choice
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now