News & Resources - Lotfix Sealant

How Wide Should a Sealant Joint Be? (Width Guide) A sealant joint should be wide enough to accommodate expected movement and provide adequate adhesion, but its exact width depends on the sealant's movement capability, substrate, joint depth, and application requirements.... 2026.10.16

What Is Backer Rod and Why Is It Used Before Sealant? Backer rod is a flexible foam material placed inside deep or wide joints before applying sealant to control sealant depth, prevent three-sided adhesion, support the proper bead shape, and reduce unnecessary sealant consumption.... 2026.10.13

What Is PU Foam? Uses, Types, Waterproof Limits and Selection PU foam is expanding polyurethane foam used for filling, insulation, and installation gaps, but exposed foam needs protection from water, UV, and fire risks.... 2026.10.08

What Is Glass Glue? Silicone Sealant vs Glass Adhesive Glass glue is a general name for products used to bond, seal, or fix glass, but it may refer to UV adhesive, instant adhesive, silicone sealant, glazing sealant, aquarium silicone, structural silicone, or insulating glass sealant depending on the application.... 2026.09.29

What Silicone Is Safe for Aquariums? Fish Tank Sealant Guide Aquarium-safe silicone must be clearly labeled for fish tank use, free from harmful additives, fully cured, and suitable for long-term water contact.... 2026.08.28

Is Silicone Waterproof? How to Choose a Waterproof Sealant Cured silicone is waterproof for many wet-area joints, but the best waterproof sealant depends on water exposure, substrate, movement, UV, and chemica... 2026.08.26

Acrylic Caulk vs Silicone Caulk: Differences, Uses and Which to Choose Acrylic caulk is best for dry, paintable interior gaps; silicone caulk is better for waterproof, flexible, wet-area, and outdoor joints.... 2026.08.20

What Is the Best Windshield Sealant? Polyurethane vs Silicone The best windshield sealant for structural glass bonding is polyurethane windshield adhesive; silicone is only for non-structural leak sealing.... 2026.08.18

Is Silicone Conductive or an Electrical Insulator? Ordinary unfilled silicone is usually an electrical insulator; only specialty conductive silicone conducts electricity because it contains conductive... 2026.08.13

How Long Does Caulk or Sealant Take to Dry? Times by Material Caulk or sealant may dry to touch in minutes or hours, but full cure can take 24 hours to several days depending on material and conditions.... 2026.08.11

What Is the Best Sealant for Kitchen Countertops? (Silicone Guide) The best sealant for kitchen countertops is 100% silicone because it stays flexible, resists water, and seals countertop, sink, and backsplash joints.... 2026.08.07

Silicone Sealant vs Grout: Which Should Be Used Around Tiles? Use grout between tiles on the same flat surface; use silicone sealant at corners, wall-floor joints, and where tile meets other materials.... 2026.08.05