If conditions require, prepare the substrate with EXTERIOR PRIMER or H2O PRIMER. The primer is dry, when tacky but not messy to the touch. On a rough surface (ex .: asphalt shingles), it is recommended to use the ELASTOMERIC SEALER rather than the primer to promote adhesion. Cut the tape and properly position it on the surface to cover. 3. Remove the top of the silicone release film a 10 cm (4 in) surface and press the membrane, taking care to align. 4. Use a heavy roller to apply pressure on the membrane to ensure adhesion. Remove the silicone release paper gradually, while ensuring that the membrane is completely adhered to prevent air pockets and creases. Use a heavy roller to apply pressure to the entire membrane to ensure adhesion. 7. Each time a corner is to be covered with a REDZONE membrane, a gusset (small piece of cut membrane), or a REDZONE CORNER must first be applied to seal the corner.
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