For a building of say a design life of 30 years this would give a return period of 45 years and 135 years respectively.
Parapet vs boundry wall gutter.
Dshall i ve previously tried to alter the roofline using the methods you suggested.
Unfortunately our local planning laws don t allow any part of the building to extend over a wall built on the boundary.
These days it is rare to obtain planning permission to build right up to the boundary so in most cases the offending gutters and so on have probably been in place for some while.
Properly built no part of the building should extend across the boundary line.
1 5 x building design life 4 5 x building design life.
Making sure your parapet and boundary wall guttering design has the correct flow capacity is critical so calculating the flow rates accurately is.
Kitchen extension designed with a parapet on the adjoining neighbour s side.
Parapet and boundary wall design.
The balloon framed steel stud parapet this is the ugliest parapet to get right.
Quick one small bit of a situation between architect builder and myself.
Looking at the photos it appears the neighbour has built a parapet wall on or just inside their property boundary.
Aluminium parapet and boundary wall non branded gutters are manufactured to suit each build and designed specifically to meet your individual project requirements.
Wall being built and builder asked would i prefer gutter out of consideration to neighbour s conservatory.
I would of course if feasible.
Notice the use.
The masonry parapet the thing to note here is that the concrete deck is the air control layer so an additional one is not necessary.
Having the correct parapet and boundary wall flow capacity is more critical than with an eaves gutter so calculating the flow rates accurately is essential.
Conversely the land registry practice guide 40 supplement 3 sets out the legal presumption that a property includes any projections over or under the boundary.
The guttering should be installed on top of special flashing that sits above the brick wall so it s within the property.
Parapet or gutter along boundary wall.
Special profile parapet and boundary wall gutters can be fabricated or pressed.
In these situations the gutter for this part of the roof has to be located on top of the wall.
Valley and parapet and boundary wall gutters generally two categories of design rate should be considered depending on the return period required.