18 43 clay tile barrel mission or two piece.
Minimum roof deck slope for the installation of clay tile.
To perform satisfactorily beneath a modern clay tile roof there must be a decking of solid wood or plywood composition board lacks adequate nail holding capabilities plus one or more layers of no.
Clay tiles are colorfast which means their tints improve rather than fade over time.
Tiles with installed weight less than 9 pounds per square foot require a minimum of one fastener per tile regardless of roof slope.
Twelve units vertical in 12 units horizontal 100 slope to 24 units vertical in 12 units horizontal 200 slope one fastener every tile4.
The irc recommends a minimum pitch of 2 5 12 for these materials.
Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.
Required slope x in 12 minimum required slope degrees asphalt shingles.
All perimeter tiles require one fastener5.
A double layer of number thirty felt underlayment or equal is recommended for all application where the roof slope is 3 on 12 or less.
In 12 0 125 in 12 0 60 clay tile barrel mission or two piece.
18 43 asphalt shingles with special underlayment requirements 2 in 12.
9 46 built up roof asphalt.
The berridge spanish tile system is recommended for slopes of 2 on 12 and greater.
What is the minimum slope for a clay or concrete tile roof.
Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.
Metal roof shingles require a minimum roof pitch of 3 12 or greater.
In 12 0 25 in 12 1 19 built up roof coal tar pitch.
Traditionally a minimum roof pitch of 20 was recommended in bs 5534 but modern tiles and slates have now been designed for applications as low as 15.
Concrete is long lasting with a minimum lifespan of 50 years depending on climate.
07300 shingles and roofing tiles 07320 roofing tiles mechanically fastened tile guidelines part i general.
These guidelines cover flat low medium and high profile roof tile using a minimum 3 tile headlap or a designed limited headlap on minimum 15 32 solid decking nailed in compliance with wind load requirements.
Sunday july 1 2018 the international residential code irc specifies a minimum 4 12 pitch 4 inches of vertical rise for every 12 inches of horizontal run for a clay or concrete tile roof except that a pitch as low as 2 1 2 12 is allowed when two layers of underlayment are applied.