how to apply sandtex high build
Hawk / Trowel & Roller Stir well before use. Apply by hawk and trowel 1-2mm thick and texture using a Sandtex Trade High Build application roller, other texturing rollers or tools.
Can be applied and textured with the Sandtex Trade High Build application roller. Application – Spray Stir well before use.
For spray application, prime all areas to be decorated with a matching colour of Sandtex Trade Fine Textured Matt.
For best results in terms of finish, coverage, speed of application and low over spray the following set up is recommended.
Use a GC 200/24 2HP compressor or larger that can continuously deliver a minimum of 80psi at 4-5 cubic feet per minute on a 3 metre (maximum) length air line to the spray gun.
A GC 330 hopper feed spray gun with a 3mm air cap and tip size of 3-4mm tip size.
Apply at 40psi air flow/spraying pressure with an 18” (450mm) distance from gun tip to surface being coated (target).
Cover areas not to be sprayed with masking tape and wet strength masking paper or film.
Spray using a ‘cross hatch’ method, i.e. horizontally and vertically to achieve a full, uniform and even texture overall. Clean the tip and air cap frequently during use to prevent blocking.