Paving is kept at least 150mm below the dpc and slopes away from the wall at around 1:60. This may need to be increased to 1:40 for some 'difficult to drain' pavings, such as riven flags, or may be decreased for well-draining pavings, such as blocks or plain concrete.
How low should a patio be below a damp proof course?
the driveway surface should be at least 2 bricks (150mm) below your damp course. any higher and you can get damp problems
How low below the DPC should the paving be?
Jul 11, 2019 · Traditionally, the paving was supposed to be "2 bricks below the DPC". Clearly the requirement for level thresholds means that cant be achieved Ive been looking at the various detail drawings for the thresholds, but whatever system …
How deep should a brick driveway be below a damp course?
Handy Paving Tips Always remember to include a 2-3mm gap between each paver when laying. When paving against a house it is recommended that the top of paving is a minimum of 25mm (2.5cm) below the damp proof course. It is also advisable to place a plastic membrane against the exposed concrete of the house footing.
How deep should the paving be under a house?
100 mm below damp should be fine but I personally would leave a 100mm gap and fill with gravel to stop any splash back
Does a patio need to be below the damp course?
Things to Remember If the patio is next to the house, make sure the area is dug 150mm below the damp proof course of the house. The patio should be laid so that the water runs away from the house.
Can you lay patio up to damp course?
As long as there is a reasonable distance between the top of the patio and the damp course ie one course of brick you will be fine, even more so if you leave a 'gravel margin' as you mentioned.May 2, 2020
Why does a patio need to be 150mm below DPC?
The 150mm below DPC regulation is stipulated to prevent 'splashback' of moisture (ie rainwater hitting the ground and 'splashing' back up over the DPC.May 29, 2008
How far should soil below damp course?
It should be at a height of 150 mm above ground level to comply with Building Regulations. Ideally you should instruct a reputable builder to undertake limited exposure works to check the position of the damp course and ground levels around the property should be reduced to 150 mm below damp course height.Nov 21, 2016
How close to damp course can patio be?
The Building Regulations require at least 150mm between the dpc and the ground or any paving. This is what is known as 'Best Practice'. However, there are situations where it is just not possible, or practical, to maintain this regulation.
How far above ground should the damp proof course be?
150mmEnsure the dpc is a minimum 150mm above external ground level.Sep 30, 2020
Where should DPC be installed?
The damp proof course (DPC) is generally applied at basement levels, which restricts the movement of moisture through walls and floors.Dec 10, 2016
Can DPC be higher than 150mm?
As long as the Dpc is a minimum of 150mm from the ground, you can step the dpc as much as you like. However, the dpc on the internal wall, should be level all the way round to match the existing dpc level.
Where should damp course be?
DPC must be at least 150mm above the level of the adjoining ground if it is in an external wall. It must also be continuous with any damp-proof membrane in the floor (i.e. no gaps!)Oct 11, 2021
Can you concrete above damp course?
No you can not put the dpm above the damp course as you will be bridging the damp course. The damp will rise through the concrete, reach the dpm then move to the bricks then up. You need to protect the bricks above the damp course and below the dpm to stop the damp rising.Aug 11, 2013
How do I know if I have damp proof course?
The most common signs to look out for are:Black spot mould forming on interior walls. ... Watermarks on walls formed by either rising damp or penetrating damp.Plaster peeling off walls and damage to other decorative finishes such as wallpaper.More items...
What is coping stone?
These perform two jobs. Coping stones are a decorative way of finishing off a wall while at the same time they act as a “hat brim” to any rainwater. The water lands on the coping stone and runs off dripping straight to the ground rather than running down the face of the wall and causing stains, or efflorescence.
What is outdoor tile?
A highly waterproof ceramic slab or tile, manufactured for outdoor use. The patterns are printed on the porcelain slab and textures can be added in the casting process. Essentially an outdoor tile but hard wearing and, because of the uniform shapes and thickness, easier to lay than standard paving slabs.
Can you cut slabs round?
There will be obstacles in the garden, like manholes and sheds, that you need to cut slabs round. This can easily be done with an angle grinder or disc cutter.
How long to bake a sponge in the oven?
Spread the jam on the pastry bases, then place the mixture on top of the jam. Reduce heat to 160°C (140°C fan oven) or gas mark 3 and bake for 20-25 minute or until sponge is set. masona, 11 Sep 2005.
How long to bake a stuffed rice pie?
Roll out the pastry and line 2 x 8in pie tins. Line the pastry with foil and fill evenly with baking beans, uncooked rice or pasta. Bake for 10 minutes, remove the foil and bake for a further 5 minutes or until the pastry is lightly browned and dry.
About the Landscape Juice Network
Founded in 2008. The Landscape Juice Network (LJN) is the largest and fastest growing professional landscaping and horticultural association in the United Kingdom.
New patio above DPC and air bricks?
Hello everybody, I'm new to this forum so sorry if this post is in the wrong place. I work in Garden maintenance normally but have helped lay patios before. My friend has asked to help him with his patio and I am not sure if it is going to be possible to achieve what he (more specifically, his wife) is after.
Introduction
- There are a number of alternatives to the modern dpc-on-a-roll, and these are sometimes found on older properties, particularly those built prior to the Second World War. The most commonly encountered alternatives are the brick damp course and the slate dpc. The brick dpc uses a clay brick with a very low absorption rate as a barrier to rising damp. The slate versions also rely on t…
Identifying The Damp Proof Course
- Where the dpc doesn't jump out and announce its presence, there are a few key indicators that can help in identifying the position. 1. - On many established properties, the dpc will usually be somewhere between 100mm and 450mm above the paving or ground level 2. - There is often a difference in brick type or brick appearance at the dpc 3. - Air-bricks are usually (but not always!…
Bending The Rules
- The Building Regulations require at least 150mm between the dpc and the ground or any paving. This is what is known as 'Best Practice'. However, there are situations where it is just not possible, or practical, to maintain this regulation. On professional work, and new build projects, every possible effort should be made to ensure the 150mm rule is not breached, but, for small, domest…
Workarounds
- The Dry Area arrangement
If you look carefully, you can see the biggest drawback of this solution - the channel becomes a collecting point for fag ends and other litter. - Drained channel arrangement
This is a workaround used where there is a problem with accumulation of litter or other concerns that render an open 'dry area' channel impractical. A land drainage pipe, usually a perforated plastic type, is laid at the base of the channel, connected to the SW drainage system at a conven…
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