Minimum Roof Pitch For Plain Concrete Tiles

Degrees to pitch rise in run table.

Minimum roof pitch for plain concrete tiles.

What is the minimum pitch for a plain roof tile. This will depend on the manufacturer. Our melodie interlocking clay pantile can be used in roof pitches as low as a 12 5 our wessex and mendip concrete roof tiles can be used down to a minimum 15 pitch. Tiles must be laid broken bond in a half bond pattern but the side lap may be reduced to a minimum of a third of the width of the tile 55 mm in some circumstances e g.

What are the minimum pitches for clay or concrete tiles. Particularly for first floor extensions. 65mm roof 37 5mm vertical maximum gauge. 73 8kg m 0 72 kn m at 100mm gauge roof 58kg m 0 57 kn m at 115mm gauge vertical.

Size overall 268 x 165mm minimum pitch 35 maximum pitch subject to fixing specification 90 minimum headlap below 90 65mm at 90 35mm maximum headlap 88mm minimum gauge batten spacing 88mm maximum gauge batten spacing below 90 100mm at 90 115mm hanging length approx 248mm cover all figures are net and do not allow for wastage 125 grp valley. As a general rule tiles and slates will perform down to the pitches outlined below. In traditional home construction it was not recommended to have a roof pitch lower than 20. And our brand new mendip 12 5 can be used at an even lower pitch of 12 5 restrictions on rafter length may apply further information all our low pitch options come complete with matching fittings and accessories for ease of installation and additional protection.

Although the minimum roof pitch for residential homes may vary depending on city and state building codes. Run in degrees and as percentage the minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. Anything lower would be considered a low pitched roof which will require a different approach. In this respect plain roof tiles provide great flexibility as they can be used to suit almost any angle usually above 35 in most instances 35 will be the minimum pitch for plain concrete tiles which is another reason why the material is the preferred choice for those who use them regularly.

Roof pitch multiplier table. Natural slate 25 degrees. Interlocking clay plain tiles 15 degrees. Roof slope equivalents as rise.

Clay pantiles 30 degrees. Tiles must be hung on their nibs. Adjacent tiles should be laid with a nominal gap of 1 5 mm maximum 3 mm. 100mm roof 115mm vertical cover width.

However with modern roofing materials such as boral roofing tiles the minimum roof pitch can be as low as 15. Interlocking concrete and clay tiles 22 5 degrees.