3 Installation Guidelines General. For EASYJoint to work properly it needs to dry out completely and be able to dry again after it gets wet from rainfall, cleaning, etc. The base and bedding materials need not be permeable as such, but must remain porous for this to happen. Concrete or Clay Pavers. When using pavers for the surface material, all conditions such as a porous base, minimum joint dimensions and liberal use of water apply as they do for other types of paving. However, the following should be considered before EASYJoint is used. Joint spacers. Some pavers have an elongated spacer bar to provide an adequate, consistent joint width. These spacers may be very close to the top surface of the paver and therefore will not meet the minimum joint depth requirements for EASYJoint to work. Do not use EASYJoint in such circumstances. Bedding layer. Pavers should be laid to ICPI (Interlocking Concrete Paver Institute) recommendations utilizing ASTM C-33 sand for the bedding layer. DO NOT USE STONE DUST or other bedding material that is not free draining. (See note on Residential Vehicular Driveways). Compaction. When using EASYJoint with deep jointed pavers it is important that the joint is full. The use of a roller or plate compactor after the first application may assist in the filling. After compaction, top up the joints and finish jointing in the same manner as described elsewhere in these instructions. Residential Vehicular Driveways. Whilst EASYJoint has the compressive strength to be used on vehicular driveways there are limitations to its use. • It should not be used in overlay situations where the base is not porous. • Caution is also advised for pavers installed with an open-grade base. In such cases, vehicular movement may cause "chatter" resulting in a breakdown of the joint filler material. Porcelain Paving. The same rules apply when working with porcelain paving tiles as with working with stone or concrete; the base on which the porcelain is laid must be porous. If the base is not porous, then EASYJoint Proor EASYGrout should be used. See the Azpects website for more information. Porcelain paving has a very low absorption rate resulting in a very low chance of marking or staining by the application of EASYJoint. This means that less water is needed for installation, enough to form a slurry to assist in filling the joints and cleaning residue from the paving. A small amount of water, to form EASYJoint into a slurry, will make it easier to fill the joints properly. When applying to porcelain, to ensure an effective joint, the operator MUSTiron the joint to further aid compaction of the compound Thin Calibrated Flagstone. The same rules apply as when working with porcelain paving tiles except that adequate water must be used to avoid marking of the stone. We do not recommend the installation of thin materials such as ¾” porcelain tiles or calibrated flagstone on a sand or other dry setting bed and especially not in a vehicular trafficked area. If a dry lay non-vehicular installation is desired, we recommend adhering the tiles to our EASYClickBase synthetic base system and jointing with EASYJoint. The EASYClickBase will provide a stable platform for the porcelain tile. As an alternative the tiles may be bedded in or bonded to a permeable base, in which case EASYJoint can be used to joint the paving.
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