1 5 x building design life 4 5 x building design life.
Parapet vs boundry wall gutter.
Kitchen extension designed with a parapet on the adjoining neighbour s side.
Unfortunately our local planning laws don t allow any part of the building to extend over a wall built on the boundary.
These flow rates can be calculated by our designers so please contact our technical department if you would like assistance.
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.
Properly built no part of the building should extend across the boundary line.
However joints in the concrete deck need to be addressed for air control layer continuity.
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.
Making sure your parapet and boundary wall guttering design has the correct flow capacity is critical so calculating the flow rates accurately is.
In these situations the gutter for this part of the roof has to be located on top of the wall.
The balloon framed steel stud parapet this is the ugliest parapet to get right.
Special profile parapet and boundary wall gutters can be fabricated or pressed.
Boundary parapet wall and eaves options.
Aluminium parapet and boundary wall non branded gutters are manufactured to suit each build and designed specifically to meet your individual project requirements.
The guttering should be installed on top of special flashing that sits above the brick wall so it s within the property.
Notice the use.
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.
I would of course if feasible.
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.
Valley and parapet and boundary wall gutters generally two categories of design rate should be considered depending on the return period required.
Looking at the photos it appears the neighbour has built a parapet wall on or just inside their property boundary.
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.
Parapet and boundary wall design.
