Sintraboard, frequently referred to as Sintra Board or simply Sintra, is a lightweight, rigid expanded PVC (polyvinyl chloride) foam board. It is extensively utilized in the Philippines for signage, digital printing, advertising displays, exhibitions, retail fixtures, architectural models, and general fabrication. The genuine SINTRA® product is a moderately expanded, closed-cell PVC sheet characterized by a homogeneous construction and a low-gloss matte surface.

In the Philippine market, the term “Sintraboard” is often used generically to describe expanded PVC foam board, regardless of the actual manufacturer. This usage mirrors how specific brand names can become synonymous with an entire product category within local industries 1.

Specific thicknesses, colors, fire ratings, and outdoor suitability depend on the particular Sintraboard product or competing PVC foam board being sourced 1.

The SINTRA® brand is historically associated with the development and commercialization of rigid expanded PVC sheets for the graphics and display sectors. Unlike conventional foam boards that feature a foam core sandwiched between paper or plastic facers, Sintraboard is an extruded PVC foam sheet with a consistent material structure throughout its cross-section.

The material gained significant traction in the sign-making and display industries because it simultaneously offers low weight, rigidity, a smooth printable surface, and ease of fabrication. Today, “Sintraboard” is frequently employed as a generic term for expanded PVC board in the Philippines. Suppliers may describe products as “Sintra” even if they are not the original SINTRA® brand, making verification of specifications essential 1.

Sintraboard is manufactured primarily from polyvinyl chloride (PVC) processed into a moderately expanded closed-cell structure. During production, PVC is combined with additives and foaming agents before being extruded into sheets. This expansion process creates numerous small cells within the material, reducing density while retaining sufficient rigidity for signage and fabrication applications.

This closed-cell construction yields a board that is significantly lighter than solid PVC, more rigid than many conventional foam boards, and resistant to water and moisture. The resulting surface is smooth enough for high-quality printing and relatively easy to cut and machine, making it suitable for three-dimensional fabrication 1.

A primary advantage of Sintraboard is its balance of lightness and rigidity. Unlike paper-faced foam boards, expanded PVC does not rely on paper skins for structural integrity, making it far more suitable for environments where moisture, handling, and repeated use are concerns.

The low-gloss surface is particularly advantageous for graphics, as it minimizes distracting reflections while providing a clean aesthetic. Standard bright-white SINTRA is specifically noted for its suitability for direct printing, exhibits, point-of-purchase displays, kiosks, and mounting applications.

Sintraboard serves as a standard substrate for direct printing in the Philippine printing industry. Common techniques include:

• UV flatbed printing
• Digital printing
• Screen printing
• Vinyl graphics application
• Laminated printed graphics

Its flat, smooth surface allows graphics to be applied directly or produced separately and mounted onto the board. This versatility makes it a preferred material for full-color signage, promotional panels, retail graphics, and event displays. Local printing businesses routinely offer Sintraboard printing services for events, exhibitions, retail signage, and office branding 2.

Ease of fabrication is a defining characteristic of Sintraboard. The material can generally be:

• Cut with knives or saws (depending on thickness)
• CNC routed
• Drilled and milled
• Engraved
• Heat formed
• Laminated
• Mechanically fastened
• Covered with vinyl or printed graphics

The homogeneous structure facilitates the creation of cut-out letters, logos, dimensional signs, and custom display structures without requiring highly specialized equipment 1.

Signage

Signage represents the most recognizable application of Sintraboard in the Philippines. Uses include:

• Directional and safety signs
• Building and real estate signs
• Promotional and event signage
• Menu boards and wall signs
• Retail signs and temporary displays

Government and commercial organizations in the Philippines utilize Sintraboard for branded backdrops, promotional displays, and various signage projects 3.

Advertising and Point-of-Purchase Displays

Retailers employ PVC foam board for point-of-purchase (POP) displays, promotional panels, and product advertisements. The combination of printability, low weight, and fabrication ease makes it practical for custom-shaped displays.

Exhibitions and Events

Sintraboard is frequently specified for:

• Exhibition panels and booth graphics
• Event backdrops and photo walls
• Directional signs and presentation displays
• Promotional structures

Its low weight simplifies transportation and installation compared to solid materials.

Retail and Commercial Interiors

Commercial applications include wall branding, logo panels, menu boards, promotional graphics, product displays, interior signs, and decorative panels.

Architectural and Design Models

Due to its ease of cutting, routing, and assembly, PVC foam board is also utilized for architectural models, mock-ups, and presentation models.

Sintraboard maintains a prominent presence in the Philippine signage, digital printing, and advertising industries. Local suppliers typically stock PVC foam boards in multiple thicknesses and formats. For instance, Philippine graphics suppliers list “Just Sintra Board” in thicknesses ranging from 1.5 mm to 20 mm and formats including 4×6 ft, 4×8 ft, and 4×10 ft. Variants available locally include white, bluish white, black, colored, Lite, and HD grades 1.

Printing companies in Metro Manila and surrounding areas commonly market Sintraboard specifically for signage, exhibitions, retail displays, and office branding 4.

PVC foam boards sold as Sintraboard or Sintra-type boards vary substantially in specification. Common variations found in the market include:

• Standard/Versatile White: General-purpose signage and displays.
• Bluish White: Cooler white appearance.
• Black: Dark signage and displays.
• Colored boards: Applications where the board itself provides color.
• Lite: Lower-density, lighter-weight versions.
• HD / High Density: Harder, denser material for demanding fabrication.

Designations such as “Lite” or “HD” are not universal across manufacturers and should be interpreted according to the specific supplier’s technical data 1.

• Lightweight: Substantially lighter than solid plastic, metal, or acrylic alternatives.
• Rigid: Maintains a stiff, flat form despite low weight.
• Moisture Resistant: Closed-cell PVC construction suits environments where paper-based foam boards fail.
• Printable: Smooth surface accepts direct graphics and vinyl.
• Easy to Fabricate: Can be shaped without specialized equipment.
• Professional Appearance: Matte finish reduces reflections and provides a clean look.
• Reusable: Rigid PVC displays withstand more handling than paper or cardboard signage.

Sintraboard vs. Ordinary Foam Board

Traditional foam board consists of a lightweight foam core with paper or plastic facers. While excellent for inexpensive indoor presentations, it is vulnerable to moisture and physical damage. Sintraboard, as an expanded PVC material, offers superior moisture resistance and durability for demanding signage and display applications 5.

Sintraboard vs. Acrylic

Acrylic is generally more visually premium, transparent/translucent, harder, and more scratch-resistant, but also heavier and more expensive. Sintraboard is lighter, easier to machine, opaque, and better suited to cost-effective large-format signage. Acrylic remains preferable for transparent architectural signs or premium illuminated panels.

Sintraboard vs. Aluminum Composite Panel

Aluminum composite panel (ACP/ACM) offers greater strength and dimensional stability for demanding exterior applications. Sintraboard is advantageous where low weight and easy machining take precedence over maximum rigidity and exterior durability.

PVC presents environmental considerations regarding production, additives, disposal, and recycling. As a thermoplastic, Sintraboard is technically recyclable where appropriate collection and processing systems exist, though actual recyclability depends on local infrastructure and contamination levels. Material selection for short-lived promotional displays should consider expected service life, reuse potential, and disposal options alongside purchase price.

Various terms refer to similar or related materials, including Sintra, SINTRA®, Sintra Board, PVC Board, PVC Foam Board, Expanded PVC, and Foamed PVC Sheet. However, these are not perfectly interchangeable. SINTRA® refers to a specific branded product, whereas “expanded PVC foam board” describes the broader material category 1.

The importance of Sintraboard lies in its position between paper/cardboard display materials and substantial rigid substrates. Its combination of being lightweight, rigid, printable, machinable, moisture-resistant, and relatively economical has established PVC foam board as a standard material in the Philippine signage, digital printing, exhibition, and retail display industries.

Sintraboard is a lightweight, rigid, closed-cell expanded PVC sheet widely used in the graphics, signage, advertising, exhibition, and display industries. Originally associated with the SINTRA® brand, the term is now commonly used generically in the Philippines for expanded PVC foam board. When purchasing, it is critical to verify the manufacturer, grade, density, thickness, and intended-use specification, as “Sintraboard” encompasses a wide range of product qualities 1.

1. Sintra Board in Canada: PVC Foam Sheet Guide (2026) | FIDAR System
2. Sintra Board | Sweet Dynamics Corp
3. will serve as backdrop/background for photo opportunities during client visits and generally, to promote the MIH and BOI brand.
4. Sintra Board Printing Manila | PVC Board Signage Quezon City
5. Types Of Foam Board: Foam Board, Gator Board, and Sintra Board | Thomas Group Printing