Graphical Construction Glossary >> Roofs and roofing. >> Roof Features >> eaves lining
The main reasons for lining the eaves of a home are cosmetic, to make it look good, easy to clean, easy to paint when maintenance time comes around.
Another far more compelling reason that regulations in many parts of the world demand it. The regs are aimed at controlling access to the roof space by vermin. They do not state how we must stop vermin, but lining the eaves with sheeting stops vermin and also looks good.
Above is a section through the verge overhang on a gable roof showing a way of framing for an overhang at the verge, (lining sheets not shown) and at the right the effect that the level eaves will have on the barge boards. This method is known as boxed eaves. This extra work is not needed of course if the eaves are lined to follow the slope.
Lining the eaves to seal them against the entry of vermin is all well and good, but it does stop ventilation to the roof space. Good ventilation to a roof is essential to prevent damp mouldy conditions that promote mildew and rot.
This is easily fixed though by adding eaves vents. Which vary from slots in the sheets themselves to various proprietary clip in fitting.
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Please Note! The information on this site is offered as a guide only! When we are talking about areas where building regulations or safety regulations could exist,the information here could be wrong for your area. It could be out of date! Regulations breed faster than rabbits!
You must check your own local conditions.
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