Edward Thompson

Sun 19 Jan 2014 02:05pm

Hi Jay I doubt if a 1 metre section overlap would be sufficient , if the existing purlin is supported centrally(internal wall) along its length it would be fine to put another purlin from the chimney side to the central support (internal wall). Allow an overlap and bolt them together, the new purlin would sit slightly higher to ensure it sits tight against the rafters. The hardest bit would be getting the new purlin into the loft. If you are unsure it's probably best to post your job on the site. Hope this helps.Ed

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Michael Tucker

Sun 19 Jan 2014 01:16pm

Hello Jay, Yes you can overlap and bolt BUT it must be structurally inspected or indeed advice by one to be given. Don't get doing alterations without paper work to back it up. Regards Michael

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