How Much Overhang For Roof Tiles

Set the last batten at the ridge so that the ridge tiles will overlap the top course of tiles by at least 75mm.

How much overhang for roof tiles. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. To create a cantilever properly you will need to know plenty about physics like torque and rotational equilibrium. 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.

Here phil explains how much overhang a roof should have at the gutter. 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. Too little can allow water to seep into rake or fascia boards.

The bottom tile or slate of the roof covering should project at least half way into the gutter the ideal distance is between half way and two thirds of the way over. Too much overhang and the shingles could blow off in high winds. 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. Just short of the centre of the gutter.

Roof tile type cost per sq. Clay tiles 6 15 600 1 500 concrete tiles 4 10 400 1 000. 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. 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.

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.