2-IN-1 Seam Sealer - Technical Data Sheet - Handling and Application

Nov 1, 2026

Uploaded by gewufjwa

2-IN-1 Seam Sealer is a beadable and sprayable, one-component MSP seam sealing product for interior or exterior seams and OEM sprayed sound-dampening pads. It offers direct-to-metal adhesion, immediate paintability with most solvent-based coatings, permanent flexibility, UV stability, weather and corrosion resistance, and resistance weldability (STRSW). Preparation and application instructions cover suitable substrates, primed/painted metal, aluminum, steel, fiberglass, SMC, glass, concrete, wood, and plastic, including cleaning, sanding, masking, and beading or spraying steps, plus storage guidance.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages4

Reading Time10 min

AccessFree to download

Features

Suitable Substrates

Typical Properties

Handling and Application

Preparation

Application

2-IN-1 SEAM SEALER TECHNICAL DATA SHEET Check local VOC regulations to ensure compliance of all products in your area. | DESCRIPTION
2-IN-1 Seam Sealer is a beadable and sprayable, high performance, one-component MSP seam sealer for interior or exterior seams and OEM sprayed sound-dampening pads.
FEATURES
• OEM recommended
• Optimized viscosity for beading, spraying or brushing
• Direct to metal
• Paintable immediately with most solvent-based coatings
• Permanently flexible without shrinking, cracking or peeling
• Colors matched to OEM seam sealers
• Weather and corrosion resistant
• Resistance weldable (STRSW)
• UV stable, non-yellowing formula
• Contains no solvents or isocyanates
• Excellent adhesion to many substrates
SUITABLE SUBSTRATES-PROPERLY PREPPED | | | | | --- | --- | --- | --- | | • Primed or painted surfaces
• Aluminum
• Steel
• Fiberglass
• SMC | | • Glass
• Concrete
• Wood
• Plastic | | | TYPICAL PROPERTIES
Part: Product Name: Color: Container: | | | | | 29462 2-IN-1 Seam Sealer | | | White 9.5 oz. Tube | | 29472 2-IN-1 | Seam Sealer | | Gray 9.5 oz. Tube | | 29482 2-IN-1 | Seam Sealer | | Beige 9.5 oz. Tube | | 29492 2-IN-1 | Seam Sealer | | Black 9.5 oz. Tube | | Working Time: | | | 20 – 40 minutes @ 70°F (21°C) | | Set Time: | | | 1 hour @ 70°F (21°C) | | Paint Time (Solvent): | | | 0 – 24 hours @ 70°F (21°C) | | Paint time (waterborne): | | | 1 hour @ 70°F (21°C) | | Cure time: | | | 4mm/24 hours @ 70°F (21°C)/50% HR | | Check local VOC regulations to ensure compliance of all products in your area. | | | | | SEM Products, Inc. 1685 Overview Dr. Rock Hill, SC 29730 866.327.7829 [semproducts.com](semproducts.com) | | | | Check local VOC regulations to ensure compliance of all products in your area. | HANDLING AND APPLICATION
PREPARATION:
Note: Prior to applying 2-IN-1 Seam Sealer, substrate temperature should be 70°F (21°C) for at least one hour.
PRIMED OR PAINTED SURFACES, ALUMINUM AND STEEL | | --- | | 1. Clean repair area thoroughly with SEM Solve or XXX Universal Surface Cleaner.
2. Mask as necessary to protect from overspray or to duplicate OEM seam.
3. Sand surface with P180 grit sandpaper or scuff with a red scuff pad.
4. Blow off and then tack clean to remove lint and dust.
5. Re-clean with SEM Solve or XXX Universal Surface Cleaner.
FIBERGLASS AND SMC | | 1. Clean with SEM Solve or XXX Universal Surface Cleaner. Surface must be completely dry; avoid saturating panel with cleaner.
2. Mask as necessary to protect from overspray or to duplicate OEM seam.
3. Sand surface with P180 grit sandpaper or scuff with a red scuff pad.
4. Blow off and then tack clean to remove lint and dust.
GLASS | | 1. Surface must be clean, dry and free of any contaminants.
CONCRETE | | 1. Pressure wash surface first and allow to fully dry.
WOOD | | 1. Pressure wash surface first and allow to fully dry.
2. Sand surface with P180 grit sandpaper.
3. Blow off and then tack clean to remove lint and dust. Note: Treated wood may interfere with adhesion.
PLASTIC | | 1. Clean repair area thoroughly with Plastic & Leather Prep, SEM Solve or XXX Universal Surface Cleaner.
2. Mask as necessary to protect from overspray or to duplicate OEM seam.
3. Sand surface with P180 grit sandpaper or scuff with a red scuff pad.
4. Blow off and then tack clean to remove lint and dust.
5. Re-clean with Plastic & Leather Prep, SEM Solve or XXX Universal Surface Cleaner, only if necessary.
IMPORTANT: Due to the variety of substrates and top coats that 2-IN-1 Seam Sealer can be used with, it is always recommended to test for adhesion and compatibility before applying the product. | | SEM Products, Inc. 1685 Overview Dr. Rock Hill, SC 29730 866.327.7829 [semproducts.com](semproducts.com) | Check local VOC regulations to ensure compliance of all products in your area. | APPLICATI

FAQs

What substrates are compatible with 2-IN-1 Seam Sealer?

It is suitable for properly prepped primed or painted surfaces, aluminum, steel, fiberglass, SMC, glass, concrete, wood, and plastic.

How long do working time, set time, and cure time take at 70°F (21°C)?

Working time is 20–40 minutes, set time is 1 hour, paint time (solvent) is 0–24 hours, paint time (waterborne) is 1 hour, and cure time for 4 mm is 24 hours at 70°F with 50% HR.

What are the key steps for preparing a metal surface before application?

Clean the repair area, mask as needed, sand with P180 or scuff, blow off and tack clean, then re-clean before applying the sealer.

Nov 1, 2026

Uploaded by gewufjwa