Construction Sealants and Adhesives by Product Type

SEIMEDA manufactures construction sealants, glazing sealants, installation adhesives and polyurethane foam for distributors, private-label brands, glass processors, window and door manufacturers, contractors and industrial buyers.

Our product range covers neutral and acetoxy silicone sealants, structural and weatherproof silicone, two-component insulating glass sealant, MS polymer sealant, polyurethane sealant, acrylic sealant, PU foam, nail-free adhesive and industrial RTV silicone.

This page helps you compare each product type by curing system, application, substrate, weather resistance, paintability and purchasing purpose. For project-specific recommendations, you can also use our sealant selection guide or send us your application details.

View Product Range | Compare Product Types | Choose by Buyer Type | OEM and Private Label

Our Sealant and Adhesive Product Range

Different sealant chemistries are designed for different substrates, joint movements, environmental conditions and installation methods. A general-purpose silicone, structural glazing sealant, PU foam and acrylic caulk cannot be used interchangeably.

Review the product categories below to identify the most suitable starting point for your market or project.

Silicone Sealants

Silicone sealants are commonly selected for glass, aluminum, windows, doors, curtain walls, insulating glass, sanitary applications and other areas requiring long-term flexibility and resistance to temperature, moisture and outdoor exposure.

NP Neutral Silicone Sealant

Neutral cure silicone sealant is designed for general construction sealing where non-corrosive curing and compatibility with a wider range of building materials are required.

• Best suited for: Windows, doors, aluminum frames, coated metal, glass and general construction joints
• Main advantages: Low-corrosion curing, flexible sealing and indoor or outdoor use
• Buyer profile: Building material distributors, window manufacturers, installers and contractors
• Selection notes: Available performance depends on modulus, movement capability, adhesion requirement and target climate

GP Acetoxy Silicone Sealant

Acetoxy silicone sealant is a cost-effective option for glass, ceramic and other compatible non-porous surfaces. It is widely used in general glazing, sanitary sealing and hardware retail channels.

• Best suited for: Glass, ceramic, sanitary fixtures and general-purpose sealing
• Main advantages: Fast skin formation, good glass adhesion and competitive channel positioning
• Buyer profile: Importers, wholesalers, hardware distributors and private-label brands
• Selection notes: It should not be treated as a universal solution for natural stone, cement-based materials or corrosion-sensitive metals

Structural Silicone Sealant

Structural silicone sealant is developed for engineered glazing applications where the sealant forms part of the structural bonding system between glass and supporting frames.

• Best suited for: Structural glazing, curtain wall fabrication and engineered glass assemblies
• Main advantages: Structural bonding performance, weather durability and long-term elasticity
• Buyer profile: Curtain wall contractors, façade companies, glass processors and project suppliers
• Selection notes: Product selection should be based on project design, applicable standards, joint dimensions, substrates and compatibility testing

Weatherproof Silicone Sealant

Weatherproof silicone sealant is used for non-structural exterior joints exposed to sunlight, rain, temperature cycles and building movement.

• Best suited for: Curtain wall weather joints, façade joints, window perimeters and exterior building joints
• Main advantages: UV resistance, weather resistance and flexible joint movement
• Buyer profile: Façade contractors, window installers, project distributors and construction suppliers
• Selection notes: Weatherproof sealant is used for environmental sealing and should not automatically replace a tested structural glazing sealant

Two-Component Silicone Sealant for Insulating Glass Units

Two-component silicone sealant is designed for the secondary sealing of insulating glass units where controlled mixing, curing speed, adhesion and long-term moisture resistance are required.

• Best suited for: Insulating glass production lines and structural IGU applications
• Main advantages: Controlled two-part curing, production efficiency and durable secondary sealing
• Buyer profile: IGU manufacturers, glass factories and curtain wall fabricators
• Selection notes: Buyers should confirm mixing equipment, component ratio, production speed, primary seal compatibility and required test documentation

RTV Silicone Sealant

RTV silicone sealant cures at room temperature and is used for industrial sealing, formed-in-place gaskets, equipment assembly and selected automotive applications.

• Best suited for: Flanges, equipment housings, industrial parts and automotive sealing
• Main advantages: Flexible gasket formation, temperature resistance and vibration accommodation
• Buyer profile: Industrial distributors, maintenance suppliers, automotive aftermarket brands and equipment manufacturers
• Selection notes: The required curing chemistry, temperature resistance, oil resistance and electrical properties should be confirmed for each application

Hybrid Polymer Sealants

MS Modified Silane Sealant

MS polymer sealant combines flexible sealing with multi-substrate adhesion and is commonly selected for applications requiring low odor, paintability or a silicone-free surface.

• Best suited for: Building joints, interior installation, panel bonding, metal assembly and multi-material construction
• Main advantages: Good adhesion to multiple substrates, flexible bonding and paintable options
• Buyer profile: Construction adhesive brands, interior material distributors, contractors and industrial buyers
• Selection notes: Buyers should compare initial grab, hardness, elongation, modulus, curing speed and paint compatibility

Polyurethane Products

PU Polyurethane Sealant

Polyurethane sealant provides elastic sealing and strong adhesion for construction joints, metal assemblies, transportation applications and other areas requiring mechanical durability.

• Best suited for: Concrete joints, metal sealing, vehicle assembly and industrial bonding
• Main advantages: Flexible adhesion, paintable options and mechanical resistance
• Buyer profile: Construction suppliers, automotive brands, industrial distributors and project contractors
• Selection notes: Building-grade, automotive-grade and industrial PU sealants should be selected separately according to substrate and performance requirements

Polyurethane Foam

One-component PU foam is used for filling, fixing, insulating and sealing gaps around windows, doors, pipes, wall penetrations and construction components.

• Best suited for: Window and door installation, gap filling, thermal insulation and sound reduction
• Main advantages: Expanding gap fill, adhesion to common construction materials and convenient on-site application
• Buyer profile: Window installers, hardware distributors, construction retailers and private-label importers
• Selection notes: Buyers should compare gun-grade and straw-grade formats, foam yield, post-expansion, application temperature and fire-performance requirements

PU foam is mainly a filling and insulation material. It should not be treated as a structural adhesive, and exposed foam normally requires protection from long-term UV exposure.

Water-Based Sealants

Acrylic Water-Based Sealant

Acrylic sealant is designed for low-movement interior joints where easy application, water cleanup and paintability are important.

• Best suited for: Wall cracks, door frames, skirting boards, plasterboard joints and interior finishing
• Main advantages: Paintable surface, low odor and convenient cleanup
• Buyer profile: Decoration material distributors, paint channels, contractors and hardware retailers
• Selection notes: Acrylic sealant is generally not the first choice for permanent water immersion, high-movement joints or severe exterior weather exposure

Installation Adhesives

No More Nails Adhesive

No More Nails adhesive is used to install decorative materials without relying entirely on screws, nails or other visible mechanical fasteners.

• Best suited for: Skirting boards, wall panels, wood trim, MDF, plywood and interior decorative components
• Main advantages: Initial grab, gap filling and cleaner installation
• Buyer profile: Interior material brands, hardware distributors, decoration contractors and private-label importers
• Selection notes: Initial grab, final strength, open time, temporary support and substrate compatibility should be confirmed before purchasing

Sealant and Adhesive Product Comparison

Use the following table for initial product screening. Final performance depends on the selected formula, product grade, substrate, joint design and test conditions.

Not sure which chemistry is suitable? Use the sealant selection guide or provide your substrate, application environment and required performance for a product recommendation.

Choose Products by Buyer Type

For Sealant Distributors and Importers

Distributors usually need a balanced product range covering daily retail demand, professional installation and project-grade applications.

A typical starting portfolio can include:

• GP acetoxy silicone sealant for general glazing and sanitary channels
• Neutral silicone sealant for windows, doors and general construction
• PU foam for installation and gap filling
• Acrylic sealant for interior finishing
• No More Nails adhesive for decorative installation
• MS polymer sealant for higher-value flexible bonding applications

Product combinations should be selected according to local channel demand, climate, target price range, packaging preferences and contractor habits.

For regional distribution cooperation, review the SEIMEDA distributor program.

For Private-Label Brands and Trading Companies

Private-label buyers usually focus on product positioning, formulation consistency, packaging presentation, documentation and reliable repeat production.

SEIMEDA can discuss standard or customized solutions for multiple product categories, including silicone sealants, MS polymer sealants, PU sealants, acrylic sealants, PU foam and installation adhesives.

Available customization depends on the selected product and can include:

• Product performance grade
• Curing speed
• Hardness and flexibility
• Color
• Mold resistance
• Target climate
• Cartridge, sausage, can or two-component packaging
• Private labels and cartons
• Multilingual packaging information

Learn more about our OEM and private-label sealant services.

For Window and Door Manufacturers

Window and door systems usually require more than one sealing material. The correct product depends on its position in the installation system.

• Neutral silicone sealant for frame, glass and general perimeter joints
• Weatherproof silicone sealant for exterior joints exposed to UV and rain
• PU foam for filling installation gaps around frames
• Acrylic sealant for paintable interior finishing joints
• MS polymer sealant for flexible multi-material sealing and bonding

See the complete door and window sealing solution.

For Curtain Wall and Façade Contractors

Curtain wall projects require a clear distinction between structural bonding and weather sealing.

• Structural silicone sealant for approved structural glazing applications
• Weatherproof silicone sealant for exterior weather joints
• Neutral silicone sealant for compatible perimeter and construction joints
• Two-component IGU silicone for insulating glass production

Engineering projects should confirm joint design, substrate compatibility, adhesion testing and applicable standards before product approval.

See our curtain wall sealant solutions.

For Insulating Glass Manufacturers

IGU manufacturers should consider production equipment, primary and secondary seal compatibility, mixing quality, curing speed, moisture resistance and structural requirements.

The main product option is our two-component silicone sealant for insulating glass units.

For system-level guidance, visit our insulating glass sealant application page.

For Interior Decoration and Installation Channels

Interior applications often require paintability, low odor, initial grab and compatibility with decorative panels, walls, wood and trim.

• Acrylic sealant for paintable gaps and finishing joints
• No More Nails adhesive for panels, trim and decorative installation
• MS polymer sealant for flexible bonding and multi-substrate adhesion
• Acetoxy silicone or neutral silicone for compatible kitchen and bathroom applications

See our interior decoration sealant solutions and kitchen and bathroom sealant solutions.

For Automotive and Industrial Buyers

Automotive and industrial applications may require resistance to oil, vibration, heat, chemicals or mechanical stress. Product selection should be based on the actual operating environment rather than a general product name.

• RTV silicone sealant for formed-in-place gaskets and industrial sealing
• PU sealant for flexible bonding and mechanically demanding joints
• MS polymer sealant for multi-material industrial assembly

See our automotive assembly sealant solutions.

Choose a Product by Application

OEM, Private Label and Product Customization

Different markets require different performance levels, packaging formats, colors and price positioning. SEIMEDA works with distributors, trading companies and private-label brands to develop product combinations for local construction, glazing, sanitary, hardware and industrial channels.

Product Performance Customization

Depending on the product category and order requirements, customization can involve:

• Curing speed
• Skin time and curing depth
• Hardness
• Elongation and flexibility
• Movement capability
• Initial grab
• Mold resistance
• Weather resistance
• Target application temperature
• Color
• Odor or VOC requirements
• Target market positioning

Private-Label Packaging

Packaging options depend on the selected chemistry and product format. Available solutions can include:

• Cartridge packaging
• Sausage packaging
• PU foam cans
• Two-component packaging systems
• Custom product labels
• Custom printed cartons
• Barcodes and multilingual information
• Batch coding and production identification

For a customized proposal, provide your target product, market, packaging format, expected quantity and reference samples where available.

Start an OEM or private-label sealant project

Technical Documents and Pre-Order Testing

B2B buyers may require different technical and compliance documents depending on the product, destination market and project.

Document availability and applicable standards vary by product. Tell us your target market and required certification or testing before placing an order.

How to Purchase from SEIMEDA

1. Tell Us Your Application

Provide the product use, substrates, indoor or outdoor environment, temperature range, joint size, required color and target market.

2. Receive a Product Recommendation

We identify the suitable chemical system, product category and performance grade for your application or distribution channel.

3. Confirm Samples and Packaging

Review standard samples or customized samples together with the proposed packaging, label and carton requirements.

4. Approve Specifications

Confirm the agreed technical data, sample performance, color, packaging artwork and supporting documents.

5. Start a Trial or Bulk Order

Proceed with a trial order, mixed product order or regular bulk purchasing plan according to the confirmed product and packaging requirements.

Request product recommendations, samples and pricing

Frequently Asked Questions

What information should I provide for a sealant recommendation?

Please provide the application, substrates, joint size, expected movement, indoor or outdoor conditions, temperature, water or UV exposure, color, packaging, estimated quantity and target market. This information helps us avoid recommending a product based only on a general product name.

How do I choose between silicone, MS polymer and polyurethane sealant?

Silicone is commonly selected for glass, façade, sanitary and weather-exposed joints. MS polymer is suitable for flexible multi-substrate bonding and applications requiring paintability. Polyurethane is often selected for concrete, metal, transportation and mechanically demanding joints. The final choice depends on the substrate, movement, weather exposure and finishing requirements.

For more detailed guidance, visit our sealant selection guide.

What is the difference between structural silicone and weatherproof silicone?

Structural silicone is designed and tested for approved structural glazing systems. Weatherproof silicone is primarily used to seal exterior joints against air, water, UV exposure and building movement. Weatherproof sealant should not replace structural silicone in an engineered structural glazing application.

Can I purchase different product types in one shipment?

Mixed product purchasing can be discussed according to the product formats, minimum quantities, packaging requirements and loading plan. Send us your required product list so that we can evaluate a practical trial or container combination.

Do you offer OEM and private-label sealants?

Yes. OEM and private-label options can include selected product formulas, colors, labels, cartons and packaging formats. Minimum quantities depend on the product chemistry and packaging design.

See our OEM sealant manufacturing services.

Can you match an existing sealant sample?

Reference samples and technical data can be evaluated to understand the required curing behavior, hardness, flexibility, adhesion, color and market positioning. Any developed formula must still be verified through sample testing and agreed specifications before bulk production.

Are samples available before bulk ordering?

Samples can be discussed for standard products and selected customized projects. Sample type, quantity, preparation time and delivery arrangement depend on the product and customization requirements.

What technical documents can you provide?

Available documents can include TDS, SDS, batch-related quality information and selected test reports. Project-specific adhesion or compatibility testing can also be discussed where required.

Can you recommend products for high-temperature, humid or cold markets?

Yes. Please provide the expected temperature range, humidity, rainfall, UV exposure, construction season and storage conditions. Product suitability must be evaluated according to the actual application and product grade rather than the destination country alone.

Which products are suitable for distributors starting a new sealant range?

A starter portfolio often includes acetoxy silicone, neutral silicone, sanitary silicone, PU foam, acrylic sealant and nail-free adhesive. MS polymer, structural silicone, weatherproof silicone and IGU sealant can be added according to professional contractor and project demand.

Request a Product Recommendation

To receive a more accurate recommendation, include the following information in your inquiry:

• Your business type: distributor, brand owner, trader, factory or contractor
• Required product type
• Application and substrates
• Target market
• Required performance or standard
• Packaging and color
• Estimated quantity
• SEIMEDA brand or private label
• Required technical documents

Request Samples and Pricing

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