Siliconizer Crack Filler RC-230 Series

Siliconizer Crack Filler RC-230 Series

Product Description:

LANCO Siliconizer Crack Filler Is a 100% elastomeric, styrene/acrylic, silicone modified white mastic for interior and exterior use. Will permanently seal leaks and bridge cracks on smooth surfaces. A flexible mastic that will adhere to any surface and fill cracks of any size. Will not crack, peel or crumble even after exposure to severe weather conditions.
Use for sealing leaks and cracks of all types of roof and wall surfaces. Use around penetrations, flashing and broken tiles. Excellent for repairing expansion joints, containing wall joints, sealing plumbing and electrical intakes.

Product Advantages
• 100% elastomeric  • Low odor  • Ultra white  • 100% permanent adhesion  • Non-yellowing
• Mildew and moisture resistant  • Smooth & textured finish  • Heat reflective  • Water-resistant  • Paintable
• Water clean-up  • Seals leaks and cracks in all types of roof and wall surfaces


Product Tips/Hints:

In Roof Applications:  Patch all cracks, seams and joints with Siliconizer Crack Filler used in combination with Polyester Fabric Mesh.  A base coat of Siliconizer Crack Filler must be applied in which to embed the polyester fabric mesh. Apply a 2nd coat of Siliconizer Crack Filler over mesh prior to application of product.

(1) SHRINKAGE CRACKS (less than 1/32” wide):
Prime with Acrylic Primer Sealer AS-210 and let dry. Apply Siliconizer Crack Filler over crack and two inches on each side.
(2) CRACKS 1/32” OR BIGGER:
Any cracks bigger than 1/32” should be routed out to 1/4” wide and 1/4” deep.  Clean crack with water, and let dry. Prime with Acrylic Primer Sealer AS-210 and allow to dry four hours.
Fill joint completely and two inches on each side with Siliconizer Crack Filler and allow drying for 24 hours.
(3) JOINTS:
Clean joints with water and let dry. Prime with Acrylic Primer Sealer AS- 210 and let dry. Fill them with backing rod and cover with Siliconizer Crack Filler 11/16” over surface and two inches on each side of joint.
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