Boundary parapet wall and eaves options.
Parapet vs boundry wall gutter.
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 or gutter along boundary wall.
Properly built no part of the building should extend across the boundary line.
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.
1 5 x building design life 4 5 x building design life.
Wall being built and builder asked would i prefer gutter out of consideration to neighbour s conservatory.
I would of course if feasible.
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.
These flow rates can be calculated by our designers so please contact our technical department if you would like assistance.
The balloon framed steel stud parapet this is the ugliest parapet to get right.
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.
Unfortunately our local planning laws don t allow any part of the building to extend over a wall built on the boundary.
Parapet and boundary wall design.
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.
Looking at the photos it appears the neighbour has built a parapet wall on or just inside their property boundary.
The guttering should be installed on top of special flashing that sits above the brick wall so it s within the property.
Valley and parapet and boundary wall gutters generally two categories of design rate should be considered depending on the return period required.
Dshall i ve previously tried to alter the roofline using the methods you suggested.
Kitchen extension designed with a parapet on the adjoining neighbour s side.
However joints in the concrete deck need to be addressed for air control layer continuity.
Special profile parapet and boundary wall gutters can be fabricated or pressed.
Notice the use.
Quick one small bit of a situation between architect builder and myself.