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Preparation and Sealing

Committed to making a difference with second to none technology.

01

Checking joints

Check if the joints are designed to resist expansion and contraction
02

Cleaning surfaces

The joint surfaces(adhesive surfaces) must be dry and free of grease and dust. Remove loose plaster, dirt, paint coats, etc. as they impair the silicone sealant’s adhesion and curing. Clean the surfaces with a cloth dampened with a solvent.
03

Applying masking tape

Apply masking tape to both sides ofthe jointto prevent primer and sealantfrom adhering to the area around the joint and to ensure a clean finish in the sealant-filled areas.
04

Inserting backing material

Backing material should be somewhat wider than actual joint width and we recommend polyethylene or polyurethane foam as backing material. Insert backing material securely and to an even depth.
05

Applying primer

It may be necessary to treatthe joint surfaces with a primer to ensure optimum adhesion ofthe silicone sealant. This treatment will be determined by the actual substrate and sealant.
06

Applying sealant from a cartridge

Cutthe nozzle to the desired size and insertthe cartridge into the caulking gun. Apply sealantinto the joints and move slowly.
07

Tooling(Smoothing the sealant))

Tooling must be done after filling the joints with sealant. Press the sealant with a putty knife and smooth it so as to make good contact with the surfaces to be joined.
08

Removing masking tape and silicone rubber

After the tooling step, remove the masking tape immediately. Joint sealing is complete. Remove any cured or uncured silicone rubber residue on the surfaces.


※ Primer is a pre-treatment agent to ensure optimum adhesion of silicone sealant.
※ Match the primer, sealant and construction material to each other.
Select a primer which is suitable for the construction materials being used.