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-   -   Laying a small area of interlocks, do I need to rent those machine? (http://www.diychatroom.com/f16/laying-small-area-interlocks-do-i-need-rent-those-machine-9125/)

KUIPORNG 06-13-2007 09:57 AM

Laying a small area of interlocks, do I need to rent those machine?
 
I intend to lay a very small area in my front yard with interlock... reading instructions from various places in the web... talked about require to rent those machine to strike the ground making sure it is solid...etc.... I am thinking for such small area like may be 20 sq. feet... can I get away with solid wood bar 4x4 and strike it real hard ? Reasons for reluctant to rent is because I probably spread this work into many days and renting tool for a few hours here or there seems too expensive and not economical correct... as I know you need to do this exercise at different stages...

Jeekinz 06-13-2007 11:09 AM

Buy a tamper. Looks something like this.

http://images.google.com/imgres?imgu...3Doff%26sa%3DN

concretemasonry 06-13-2007 01:05 PM

Laying a small area of interlocks, do I need to rent those machine?
 
What will you be using the area for? - Light duty (Patio?, sidewalk?), medium duty (driveway?), heavy duty (street or road?), extra heavy duty (airport taxiway, sea port unloading yard? L.O.L.)

A hand tamper will work for light duty applucations. You can make one with a 12" long piece of 2x12 for the bottom. Use a 4x4 for the post, drill a horizontal hole in the post to add a handle to make it easier to lift and drop. Don't make the post too long. The base will compact best if it is a little moist, but not too wet.

Spread your base material and compact. Add 1" of sand for a setting bed and level. Lay the interlocking concrete pavers in a good pattern. - Herringbone is probably one of the best patterns for stability. Do not forget about edge restraint.

The downside of not having a vibratory tamper/compactor is that you are limited in getting the sand into the narrow joints to give you a strong interlock. Make sure you use masons sand (not concrete sand), sweep it into the joints, wet down and wait, add more sand sweep in and add a little water.

Don't try a driveway without a good vinbratory plate compactor.

KUIPORNG 06-13-2007 02:43 PM

Thanks for the info... Concretemasonry... it is for people walking on it only... so I suppose the hand made tamper is ok....

here comes my other questions for laying stones:

- web said keep stones kind of 1/8" apart... do I need to use spacer like laying tiles? or all by eye ball...

- web said keep slope 1/8 " per feet away from home... should I start this slopping thing right from crashed stones surface or only at the sand surface... my guess would be the crashed stones surface.... just want to confirm...

- I saw one type of stone in HD somthing called interlocking stepping stone... it's appearance is irregular pattern but in fact it's not... looks like kind of a new product... would it be true that these type do not need restraint edge for the three sides it extending to and no cutting is requires as they are purposely irregular...

concretemasonry 06-13-2007 03:47 PM

It all boils down to what product you are using. For such a small area for casual use, there may be little differences for installation.

Interlocking paving stones are roughly 4x8" (surface area) or no more than about 10". They are a quality high strength product that should be laid with joints as tightly as possible. Some pavers have space guides cast into the units.

Many ignorant or misleading sell other products that are not manufactured to any specification and may be considered as "stepping stones" or paving "tiles". They are adequate for casual light duty applications.

Most of the products you see are really not new considering the developments in the concrete products industry through the years in Europe that are now being coppied by U.S. retailers. Unfortunately ,there are few standards to protect the U.S. consumer.

After that tyraid (sp?), concrete products are well suited for you application. The purpose of the edge restrain is to maintain the position of the pavers and insure a strong (no settlement) pavement.

For a small area with little load, you can omit edge restraint and permit the paving units to separate very slightly. Separation allows tipping. This may be accepable.

Regarding the slope, a good tight paver surfave can go with 1/8" per foot, but an irregular surface with larger joints could use more of a slope on the paver surface. - In 5' your are only talking about 5/8" to 1" or so, which is nothing .

KUIPORNG 06-13-2007 04:11 PM

Thanks again... you are right... I realize the stones I intend to use do have a spacer blocks on its edge.... I am more confident to this project now...


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