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How to finish the boards

Taping and Jointing is a simple finishing solution for drylining installations, to reinforce joints, to prevent cracking and ensure fire and sound performances are achieved. It is suitable for large areas of plasterboard where speed and ease of application can greatly reduce installation time and costs versus a skim finish.


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TAPERED EDGE

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• Tapered edge board provides the best finish by allowing the joint tape to sit below the finished surface

• Board surfaces to be dry, clean, protected from weather, secure and evenly fixed

• Square edge plasterboard may also be jointed using the method on the following page

SQUARE OR CUT EDGE

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• Correct screw fixings to be used with screw heads just below surface of the board

• Gaps over 3mm to be filled with GTEC Joint Filler Xtra or GTEC Easy Finish prior to tape installation

INTERNAL CORNER

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• Compound to be applied in nominal 1mm layers. Thicker layers will extend drying time
• GTEC Joint Tape cut to length to be pressed into bedding compound 
• Second coat of jointing compound if required to be applied over dry joint, feathered out 50 – 60mm beyond the edge of first coat
• Finishing coat of compound feathered out 50 – 60mm beyond second coat. Finished, dry joint to be sanded to smooth finish for sealing and decoration

EXTERNAL CORNER

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Square edge joints only:
Joint width to be wider to reduce visible crowning.

External corners only:
GTEC Flex Tape to be applied in place of GTEC Joint Tape as reinforcement.

UNIVERSAL SEALER
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Once the taping and jointing process has been completed, Universal Sealer must be applied to prevent ‘regency striping’.Holding image

This term is used to describe the effect of the paint finish reacting differently on the joints to the surface of the board, if the sealer is not applied the joints may be visible no matter how good the taping and jointing process has been completed. Once dry a paint finish can be applied in the normal manner.

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