How Much Overhang For Roof Tiles

Just short of the centre of the gutter.

How much overhang for roof tiles.

Setting out up the roof gauge set the first batten at eaves to allow the tails of the eaves course tiles to overhang the fascia by 40 to 45mm ie. Too little can allow water to seep into rake or fascia boards. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. A shed overhang is an easy and effective way to protect your shed.

A typical metal roof overhang may be 2 to 4 inches or even less. Set the last batten at the ridge so that the ridge tiles will overlap the top course of tiles by at least 75mm. The edge of the shingles should hang over a roof between an inch and an inch and a half or between a half inch and three quarters of an inch if drip edge flashing is installed. Once up the ladder i was able to see the new guttering fascia installation done about 18 months old close up for the first time and i m worried about it.

Roof tile type cost per sq. Looking right down the line of the guttering the gap between the end of the last roof tile and the outer edge of the guttering varies from around an inch and half to in some cases millimetres. To create a cantilever properly you will need to know plenty about physics like torque and rotational equilibrium. Too much overhang and the shingles could blow off in high winds.

Here phil explains how much overhang a roof should have at the gutter. This is normally specified with the tile manufacturer and it s advisable to check how much they say a roof tile should overlap normally on a smooth faced tile the overlap is 75mm 3 and on granular or sandfaced tiles its 100mm 4 however if the roof is shallow pitched is facing a windy direction or will be prone to moss build up it may be a good idea to increase the lap by another 25mm or 1. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Clay tiles 6 15 600 1 500 concrete tiles 4 10 400 1 000.

You can add 3 to 5 inches to the top.