Can you lay block paving on a slope?
Always begin laying block paving from the bottom of a slope, preferably starting from a right angle or a straight edge. Place the blocks on top of the laying course ensuring blocks are around 45mm above the desired finished level. Continue up the slope, checking your pattern with the design as you go.
How deep should sub-base be for block paving?
Sub-base The sub-base is your main supporting layer of stone. For this, you’ll need to apply a layer that’s at least 100mm in depth. This is to make sure your paving can support the weight of what’s on top of it, whether it’s people or vehicles.
How deep should a sub-base be for a driveway?
How deep should a sub-base be for a gravel driveway? For a standard sub-base of bound or unbound material, it needs to be a minimum of 100mm deep, and for a bitumen bound material, at least 50mm. For public paths, highways or heavy uses, that number increases.
How do you use a Wacker plate on block paving?
Compact the blocks using a wacker plate. The wacker plate should pass over each area of blocks 5 times, compressing each area from a different direction each time it passes over. A cushioning mat may be required on more fragile blocks. Sweep any excess jointing sand off the driveway.
How do you set pavers on a slope?
How to Install Pavers on a Slope
- Step 1: Choosing a Location.
- Step 2: Mark Your Path.
- Step 3: Gather Your Tools and Materials.
- Step 4: Preparing the Area for Installation.
- Step 5: Grading & Drainage.
- Step 6: Compact Your Sub-Base.
- Step 8: Add and Compact the Class II Road Base.
- Step 9: Add and Screed Your Bedding Sand.
Can you lay block paving without a Wacker plate?
Yes, normally you lay raised on a bed of sand and wack to level required. You can lay on a solid flat bed (concrete etc.) then obviously no wacking required.
What causes block paving to sink?
The most common cause. Most block paving sinkage is due to insufficient support from a sub base. For many years (prior to the wide use of Type 1 MOT stone) driveway areas were filled with left overs from building sites commonly known as ‘hardcore’.
Can I use gravel as a sub-base?
If your builder uses the gravel he may find it will dissipate too easily into the ground and will spend more time and money to get the levels needed. I would not advise using the gravel. A well constructed base means your drive will never get sink holes.
Can I use sand as a sub-base?
Simply put, sand isn’t sturdy enough to work well as a subbase for something like a driveway. With areas like patios, which don’t require a ton of load-bearing, sand as a subbase works fine, though it’s not as reliable as gravel.
How do you compact without a Wacker plate?
How to Compact Pavers without a Plate Compactor
- Step 1: protective clothing. Ad.
- Step 2: prepare the substrate. Check the underground in the pit carefully.
- Step 3: create a layer of frost protection.
- Step 4: Build the base course.
- Step 5: Apply a layer of sand.
- Step 6: clean the vibrating plate.
Can you lay pavers on uneven ground?
Unfortunately, the earth is not flat, so yard pavers must sometimes be installed on uneven areas. There are design techniques to cope with these situations. All pavers — brick, concrete or stone — must be laid on a firm base of gravel and sand or, in extreme conditions, concrete.