4-Pack Adhesion Products AP-502 Silicone Sealant 10 oz Neutral Cure

Stock up on Adhesion Products AP-502 General Purpose Silicone Sealant (TPG-AP502) in a convenient 4-pack — four 10.1 oz tubes of neutral-cure, non-corrosive silicone sealant with fungicide, distributed by Titan Adhesive. Each tube ships with a piping top for controlled application. Available in 3 color options — Black, White, and Clear — to match your project surface. Bonds to a wide range of substrates including wood, glass, masonry, plastic, aluminum, and vinyl. Ideal for RV sealing, resealing, and general maintenance projects where you'll go through multiple tubes. Available at The RV Surplus.

⭐ Neutral Cure — Non-Corrosive Formula

Standout benefit vs traditional acid-cure silicones: neutral cure formulation is non-corrosive, making it safe for use on sensitive surfaces where acetic-acid-based (vinegar-smell) silicones would cause damage. Meaningful for:

• Aluminum — no corrosion of RV siding, trim, or window frames
• Galvanized/coated metals — no attack on protective finishes
• Sensitive plastics and vinyl
• Around electronics or metal fasteners
• Enclosed spaces — minimal odor during cure

⭐ Fungicide-Enhanced Formula

Standout benefit for wet-environment applications: built-in fungicide resists mildew and mold growth — critical for:

• RV shower and bath areas
• Kitchen sinks and countertops
• Window and door seals exposed to moisture
• Exterior seams in humid or damp climates

⭐ 4-Pack — Volume Value for Big Jobs

Standout convenience for larger projects: four full 10.1 oz tubes in one order. Meaningful for:

• Full RV reseal projects — roof, windows, slide-outs, storage bay seams
• Contractors and RV service techs
• Larger DIY installations where you need to keep working without running back for more
• Stockpile for maintenance — silicone sealant has a long shelf life when unopened

⭐ Multi-Surface Compatibility

Bonds well to a broad range of common RV and construction substrates:

• Wood — trim, framing, cabinet joints
• Glass — window seals, mirror mounting
• Masonry — foundation cracks, tile grout
• Plastic — including ABS, PVC, and many other common plastics
• Aluminum — RV siding, trim, gutter seams
• Vinyl — siding, flooring transitions, decal edges

Color Selection

Choose the color that best matches your surface or trim from the dropdown above:

• Black — dark trim, rubber gaskets, black roof seams, discreet finish on dark surfaces
• White — most common RV exterior color; matches white siding, trim, most rooftop applications
• Clear — invisible finish over glass, mirrors, colored surfaces where you don't want the sealant to be visible

Cross-Reference Part Numbers

• Part Number: TPG-AP502
• Brand: Adhesion Products
• Distributor: Titan Adhesive
• Pack Size: 4 tubes × 10.1 oz each

Application Tips

• Surface prep: Clean and dry surfaces before applying — remove old sealant, grease, and dust for best adhesion
• Piping tip: Cut the included piping tip at an angle for controlled bead width
• Tooling: Smooth beads with a finishing tool or gloved finger within a few minutes of application
• Cure time: Skins over in about 15-30 minutes; full cure typically 24 hours (thicker beads take longer)
• Temperature: Apply at moderate temperatures for best results; avoid direct sun during application on hot days

Storage

Store unopened tubes in a cool, dry place. Once opened, silicone in the tube begins to cure — plan to use opened tubes within a reasonable timeframe. Shelf life on unopened tubes is typically 12+ months.

Key Features

• Adhesion Products AP-502 General Purpose Silicone Sealant
• Part Number: TPG-AP502
• ⭐ 4-pack — four 10.1 oz tubes
• ⭐ Neutral cure formulation — non-corrosive, safe on aluminum and sensitive surfaces
• ⭐ Fungicide-enhanced — resists mildew and mold
• ⭐ Multi-surface — wood, glass, masonry, plastic, aluminum, vinyl
• ⭐ Piping tip included with each tube
• ⭐ 3 colors available — Black, White, Clear (select from dropdown)
• Distributed by: Titan Adhesive
• Ideal for: RV sealing, general home maintenance, contractor use, multi-tube projects

Specifications

• Brand: Adhesion Products
• Part Number: TPG-AP502
• Distributed By: Titan Adhesive
• Product Type: General Purpose Silicone Sealant
• Cure Type: Neutral cure (non-corrosive)
• Additive: Fungicide (mildew/mold resistance)
• Pack Size: 4 tubes
• Tube Size: 10.1 oz per tube (approximately 40.4 oz total)
• Included Accessories: Piping tip per tube
• Color Options: Black, White, Clear
• Compatible Surfaces: Wood, glass, masonry, plastic, aluminum, vinyl
• Applications: RV sealing, home maintenance, construction, general purpose bonding and sealing