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Frequently Asked Questions - FAQ

1. Paver Block Installation Guied. Are you providing assisting for Installation?

2. What is the scope of work undertaken by Vinayak Technocast Industries?

As a manufacturers, we are providing services of Paver Block, Reflective Pavers, High Strengh Paver, Reflective Floors, Chequered Tiles, Curb Stone, R.C.C Pipes, Elevation Tiles, and other products manufactured by us. In certain cases, where products require special care of an experienced professional, we may even insist that the execution be carried out only by agencies certified by us.

3. What are the technical specifications of different materials offered by Vinayak Technocast Industries ?

Paver Block: In the absence of any information of corresponding code in the BIS, pavers are generally made to have a min Av. Compressive strength of 400 kgs / cm2. Pavers can be made as per customer specifications. We have supplied pavers with compressive strengths in excess of 550 kg / cm2. Water absorption less than 10% and abrasion resistance under 2mm can be made available. Pavers are generally available in thickness of 60 mm, 80 mm, 100 mm. Other thickness may be possible on your order

4. How do I select the correct paving material for my application?

Selection Criteria Concrete Paving Blocks Chequered / Landscaping tiles flooring RCC Road, Bituminous Road
Flexibility / Reusability Flooring is flexible and hence allows repairs, changes, relocation, laying of utilities etc most easily Fixed and permanent flooring. Difficult but possible to carry out good quality repair job. Relocation not possible. Fixed flooring, possible to repair but patches will remain. Relocation etc not possible
Ease and Speed of Installation Large Areas can be completed in very short time with minimum disturbance at site. Ideal for speedy and aesthetic execution , and paving of working (in use) sites if a decent sub-base exists (e.g. renovations) Large areas can be executed but base preparation takes longest, and site unusable during execution. Care has to be taken to see that tile finish are not spoilt by improper cleanliness during fixing on cement bed Large areas can be executed in short time but site unusable during execution.
Load Transfer Transfer the load horizontally and vertically and hence ideally suited for very heavy loads Transfer the load vertically only but is recommended for low traffic and small areas like path ways of the garden etc. Transfer the load vertically and suited for heavy loads as per preparation.
Excellent aesthetics Various design, colour options possible and generally highly aesthetic landscaping possible. All design and colour options give best aesthetics, neatness and cleanliness. Not possible
Cleanability Need more concentration for cleaning Very good cleanability with the good aesthetics. Need more concentration for cleaning
Skidding Resistant Skid resistant even during monsoon Skid resistant even during monsoon Will have skidding effect during monsoon
Undergrond Repairing Possible due to removing and refitting can be made. Not Possible without dismantling Not Possible without dismantling.
Durability High Durability. Quite resistant to abrasion and weathering cycles High Durability. Quite resistant to abrasion and weathering cycles High wear and weather will break down surface. Black seal coat required every 2-3 years. Ruts or pothole repairs make ugly patches. Subject to erosion from oil drippings.

5. How do I maintain my floorings?

Paving Blocks:

  • Use the nylon brush for cleaning the grooves of paving block.
  • Do not allow debris to build up on your concrete block surface.
  • It is advised that you clean-up oil spills brake fluid or other chemical spills.
  • Avoid car washing on your drive ways

Chequered Tiles :

  • During the fitting time especially during joint filing, use the cement in such a way that the cement should not come out on the surface of tiles which disturbs the beauty of tiles.
  • Do not use acid for cleaning chequered tiles floor.
  • Wash the floor at a regular interval.
  • Use the nylon brush for cleaning the grooves of tiles.

6. What kind and level of customization can be done by Vinayak Technocast Industries for our projects?

As a firm, we have always been challenged by requests for customizing our products as per client's needs. The opportunity to supply innovative, high quality products, along with turnkey solutions for sites, through academic interaction with design professionals, is the thing that really worked. Our products can be altered for shape, colours, textures, sizes, aggregates used and also some other characteristics. We request you to let us understand your project needs.

7. How soon can I get my pavers?

Vinayak Technocast Industries can get you your pavers within 2-3 days for in-stock material. For special orders, you can count on your pavers in 3-4 weeks depending on the selection of the items

8. How strong are the pavers?

Pavers are over 3 to 4 times the strength of poured-in-place concrete. Pavers have an average minimum strength of 45 Mpa.

9. Can paving stones be installed anywhere instead of asphalt or poured concrete?

Vinayak Technocast Industries paving system will instantly improve your place's appearance and increase its appraised value. With dozens of shapes and colours to choose from, design possibilities for driveways, walkways, patios & pools, sunrooms and other areas are endless.

10. How well do interlocking concrete pavements perform over the long term?

One of the best performance examples for streets and sidewalks is found in North Bay, Ontario - 20 Years later. Even this is in UK, USA, Australia and Other countries also. You can search on internet and you will get idea about this.

11. What is the white residue on the pavers? / What is Efflorescence?

Efflorescence: the whitish residue /patching (CaCO3) appearing on concrete is considered as a natural phenomenon. Efflorescence affects, in more or less magnitude, all types of concrete. Efflorescence on material is not to be treated as a material defect. Efflorescence generally dissipates over a period of time. Treated or finished materials generally do not exhibit efflorescence. However uncoated material stacked unused at site and exposed to moisture, is likely to exhibit efflorescence. This condition is greatly minimized with the use of Vinayak Technocast's pavers because of the manufacturing process and materials used by Vinayak Technocast Industries. Efflorescence will wear off in about 2 to 3 months naturally but it can be removed with some cleaners.

12. Do pavers need to be mortared into place?

No mortar is needed to install concrete pavers. It is recommended that you use course granular sand, which will bind the pavers together with a friction joint. This sand is swept into the joints and compacted to achieve the proper installation.

13. Are Vinayak Technocast pavers strong enough to drive a car on?

Yes, our pavers exceed the industry standards for strength and low moisture absorption. Our pavers test the highest in the Industry on Compressive strength. Also our absorption rate is in the 2% to 3% range and the industry requires 5% or less. Compared to regular poured concrete that has an absorption rate of about 17%, concrete pavers will not absorb much moisture or be damaged by freeze thaw cycles.

14. What type of sand do I need to use under and between my pavers?

Use a sharp coarse river washed sand or sharp sand with multi-sized grains. The course sand will bind together when you go over the pavers with the compactor. This will make the joints between the paver solid and prevent moisture from getting under the pavers. The problem with using fine sand is that it will wash out easily and not create a locking friction joint between the pavers

Provide bedding and joint sand as follows:
1. Clean, non-plastic, free from deleterious or foreign matter, symmetrically shaped, natural or manufactured from crushed rock.
2. Do not use limestone screenings, or stone dust, or sand for the bedding sand material that does not conform to conform to the grading requirements of [ASTM C 33][CSA A23.1-FA1].
3. Do not use mason sand, or sand conforming to [ASTM C 144][CSA A179] for the bedding sand.
Note: If the pavement will be exposed to heavy traffic with trucks, i.e., a major thoroughfare with greater than 1.5 million 18-Kip (80 KN) equivalent single axle loads, contact ICPI for test method and criteria for assessing the durability of bedding sand.
4. Where concrete pavers are subject to vehicular traffic, utilize sands that are as hard as practically available.
5. Sieve according to [ASTM C 136][CSA A23.2A].
6. Bedding Sand Material Requirements: Conform to the grading requirements of [ASTM C 33][CSA A23.1-FA1] with modifications as shown in Table 1.
Note: Coarser sand than that specified in Table 2 below may be used for bedding sand including C 33 or A23.1 material as shown in Table 1. Use material where the largest sieve size easily enters the smallest joints. For example, if the smallest paver joints are 2 mm wide, use sand 2 mm and smaller in particle size. If C 33 or A23.1 sand is used for joint sand, extra effort may be required in sweeping material and compacting the pavers in order to completely fill the joints.

7. Joint Sand Material Requirements: Conform to the grading requirements of [ASTM C 144][CSA-A179] as shown with modifications in Table 2 below:

15. Can you use these pavers for a driveway?

Yes, however a minimum of 4 to 6 inch foundation of road base is required in order to handle the weight of the load. Also, we recommend that instead of using the Brickstop edging restraint you use a precast Concrete Kerbstone available from Vinayak Technocast or a concrete toe with a piece of #3 rebar.

16. Can you place concrete pavers over an existing concrete patio?

Yes you can, in fact your existing concrete slab will be an excellent base, provided it is in good condition. You still need an edge restraint to keep the pavers from spreading or you can mortar a soldier course border of Brick shaped Paver around the perimeter of your existing slab. Then set the main field of pavers on a regular sand bed

17. What about water drainage off my patio?

Water actually runs off the surface of the pavers as if it were a solid slab very little water drains into the sand. It is important to consider slope when planning your patio. A 1 in 100 slope of run should be sufficient.

18. Does the water drain through the sand around the pavers?

No, the water does not drain through the sand around the pavers. If they are installed properly, you will only get a little bit of seepage for the first few weeks but after that the silts and dust in the air will seal that off entirely. So you need to build in a natural slope to your paver project for water run off. Typically it is recommended that you allow for a slope of 1 inch for every 8 to 12 feet of paving away from your home. This should be enough slope to carry the water off naturally.

19. How do I control weeds and grass from coming up in my paver patio and walkways?

For the most part, if the pavers were installed properly and a compactor was used on the pavers to lock them into place, you have cut off much of the growing environment. There will still be times when seeds can blow in and start growing in the sand between the cracks. When this happens you can usually pull them out very easily or spray them with a weed killer and then remove them. Another care to take is to use proper construction sand with minimum silt for bedding and jointing of pavers.

20. Do concrete pavers stain?

There is no way that we can prevent oil from dripping on concrete pavers but because of the fact that they are more dense than regular poured concrete they will be easier to clean if the stain is cleaned soon after it happens. If you are working around your paver patio, walkway, or driveway with paint, cement, or mortar and should accidentally spill this on your paver surface, you should clean it off right away before it has a chance to dry or it will stain your pavers. If cleaning of stained pavers is not possible, you will be able to remove the pieces that are stained and replace them without needing to sawcut and leave a scar in your paving.

21. How do I replace a paver?

One of the benefits of a project built with Vinayak Technocast pavers is the ability to replace a paver should it become permanently stained. Simply take a flat head screwdriver and insert it between stones and pry the soiled stone out. If the installation is mature, it may be necessary to break the stone and then pry it out.

22. Should I use a sealer on my pavers?

The only reason for using a sealer on pavers is to deepen the color and to have some water repellence. If you choose to use a sealer just remember that you will be setting yourself up for maintenance because they will have to be resealed once every one to two years depending on the traffic. Of course you can choose not to re-seal the pavers too.

23. Can I use concrete pavers near a tree? Will it hurt the tree?

On an established tree, if you're not raising the soils around the tree by any more than a couple of inches, it shouldn't hurt the tree. Well established trees normally get their water from underground sources. Solid poured concrete can actually suffocate a tree by not letting the roots breath but using concrete pavers allows the transfer of air to the tree. Do not pave over the dripline of a newly planted tree.

24. How hot are concrete pavers if I use them around a pool as a pool deck?

Concrete pavers won't be as cool as a cool deck, but it will be the next coolest thing that can be used instead of cool deck. In fact cool deck isn't as cool as it used to be because of the requirement to remove the asbestos used to give it some of its coolness. Concrete pavers, being individual pieces won't build up heat like a solid sheet of concrete and the heat will tend to dissipate between each stone making pavers a cool product to use around a pool. One cool tip is to always use light colors for a pool deck.

25. Can I put concrete pavers over a driveway that is cracked in several places?

If the cracks in your driveway have started to drop or heave too much, which means that it doesn't have much reinforcing steel, it is recommended that you break out the old driveway before you lay your pavers. If your cracked driveway is still basically flat then you can use it for a base for your pavers. Any minor dips can be filled with concrete mix before screeding your sand. You should mortar set the Holland Stone paver in a soldier course (placing the Holland Stone side-by-side in the mortar) all around your perimeter border. Then screed your 1 inch of sand bed for your field pavers. After your sand bed is screeded you can lay your pavers and compact them into the sand bed. Next you would throw a light layer of sand on the field pavers and compact it one more time to complete the lockup. Once that is complete you should sweep sand into the joints and then sweep off the excess and your job should be complete.

26. Tile Spacifications

Sr.No. Particulars Specifications as per (IS 1237) Recommended Specification
1 Percentage Water Absorption Not Over 10% < 7.50 &
2 Wet transverse Stength Not less than 3 N / mm² > 4.00 N / mm²
3 Average wear in thickness (abrasion) Avrage wear not more than 3.5mm < 3.00 mm (Normal Duty)
4 Size (Length + Breadth) < 1mm < 1 mm
5 Variation in thickness of tiles Variation not to exceed 3 mm < 3 mm
6 Thickness of wearing layer Not less than 5 mm More than 6 mm
7 Flatness of tile surface Concavity or Convexity not to Exceed 1 mm < 1 mm

27. Technical Detail (Comparision)

No. Comparison Criteria Vinayak Intrlocking Paving Block Chequered Tiles RCC Road,Bituminous Road
1 Flaxiility Flaxible Fixed Fixed
2 Reusability & Relocation Possible Not Possible Not Possible
3 After execution Ready to Use Takes time for use Use only after curing period of 20 days
4 Under ground reparing Possible Not Possible Not Possible
5 Skidding Resistance Resistance No Resistance during monsoon
6 Load Transfer Horigental & Vertical Vertical Only Vertical as per Preaparation
7 Excellent aesthetics Different design,colour option and highly aesthetic landscaping possible Good aesthetic, various disign and Colour Option Not possible
8 Clean ability Need Concentrstion for cleaning very good cleanability Need Concentration for cleaning
9 Durability High durable,quite resistant to abrasion and weathering cycle High durable,quite resistant to abrasion and weathering cycle Crackes devloped often as weather will break down surface
10 Tools & Equipment Only hand tools Only Hand tools Mixer Machine,other equipment requires.

27. Technical Detail (Application)

No. Application Recommanded Spacification

Non Traffic / Light Traffic :
Monument Premises, Building Premises, Public Garden / Parks, Landscapes,
Embankment Slopes, Sand Stabilization areas, etc. Pedestrain Plazas, Ramps,
Car Parks, Shopping Complex, Dairy Farm, Office Complex, Driveways, Housing
Colonies, Rural Roads with Low Volume Traffic, Farm Sites, Tourist Resorts etc.

Thickness : 50mm, 60mm
Strength : 200 kg to 400kg/cm2

2 Medium Traffic :
Small and Medium Market Roads, Low volume on Arterial Roads, Service Station,
City Streets, Bus Terminals, Industrial Complexes, Mandi House, Roads on
Expensive soils, Factory Floors and Pavements.
Thickness : 60mm to 80 mm
Strength : 300 kg to 450kg/cm2
3 Heavy / Very Heavy Traffic :
Container Terminals, Ports, Dock yards, Mine Access roads, Bulk Cargo Handling
Area, Air Port Pavements etc.
Thickness : 80mm to 100 mm
Strength : 500 kg/cm2
4 Under ground reparing Possible
5 Skidding Resistance
6 Load Transfer Horigental & Vertical
7 Excellent aesthetics Different design,colour option and highly aesthetic landscaping possible
8 Clean ability Need Concentrstion for cleaning
9 Durability High durable,quite resistant to abrasion and weathering cycle
10 Tools & Equipment Only hand tools