What siga cover does

SIGA Cover (legally SIGA Services AG, with affiliated entities SIGA Cover AG and SIGA Manufacturing AG, all domiciled in Ruswil, Switzerland) is a privately held specialty building materials manufacturer focused on air- and weathertight building envelope systems. The company develops and produces high-performance adhesive tapes, membranes, vapor control layers, sealants, and primers — branded lines include Wigluv, Majvest, Fentrim, Rissan, Twinet, Majrex, Wetguard, Meltell, and Dockskin — engineered as a compatible system for residential, commercial, Passive House, and mass timber construction. Technical differentiators include primerless substrate bonding, cold-weather application down to -10°C, repositionable membranes, and proprietary Hygrobrid vapor control technology.

SIGA operates a multi-channel go-to-market combining direct regional sales representatives, a specialist dealer network, an e-commerce webshop (shop.siga.swiss), and inside sales/architectural consultant support, with active offices in Ruswil (CH, headquarters), Chicago and Roseville (US), and London (UK & Ireland). The company targets a fragmented customer base spanning architects, contractors, developers, and homeowners across 11+ countries, monetizing through one-time unit-priced product sales. Revenue and ownership details are not publicly disclosed; the firm appears to operate as a traditional founder/family-owned Swiss industrial business, with growth signaled through product line extensions, geographic expansion (including China), and a deliberate specification-side training ecosystem (SIGA Academy, AIA-accredited workshops, on-site job site training).

Name

siga cover

Legal name

SIGA Services AG

Website

https://siga.ch

Company type

Private

Operating status

Operating

Short description

SIGA Cover is a Swiss specialty building materials manufacturer producing adhesive tapes, membranes, vapor control layers, and primers for airtight and weathertight building envelopes. It serves architects, contractors, and developers across residential, commercial, Passive House, and mass timber construction segments in 11+ countries.

Ownership category

akta.pro rank

Product category

Building Envelope Materials

NAICS

Adhesive Manufacturing (32552)

SIC

Adhesives & Sealants (2891), Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)

akta.pro primary industry

Construction Adhesives (Structural & Non-Structural) (IMADAOAA)

akta.pro secondary industries

Weatherstripping & Door/Window Sealing Products (IMADAGAH), Weatherstripping, Thresholds & Door/Window Seals (IMADAIAL), Adhesives (Structural & Assembly) (IMAEAGAH)

Keywords

• Building envelope materials
• Airtight construction tapes
• Weather resistant membranes
• Vapor control layers
• Construction sealants

Headquarters

HQ city

Ruswil

HQ country

Switzerland

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Building Envelope Products: SIGA generates revenue through the sale of high-performance adhesive tapes and membranes for air and weathertight building envelopes. Products include weather-resistant barriers, vapor control layers, facade membranes, window sealing tapes, and sealants sold to construction professionals.

Pricing tiers

Go-to-market motion4 records

Distribution channels4 records

Marketing channels7 records

Core offering

SIGA Cover manufactures and sells high-performance adhesive tapes, weather-resistant membranes, vapor control layers, primers, and sealants designed to create airtight and weathertight building envelopes. Its products serve new construction and renovation across residential, multi-family, commercial, mass timber, and Passive House building applications, sold through regional reps, specialist dealers, and a direct webshop.

Product overview

SIGA is a building materials company specializing in air and weathertight building envelope solutions. The product portfolio consists of high-performance adhesive tapes (Wigluv, Fentrim, Rissan, Twinet, Sicrall, Corvum), facade and weather-resistant membranes (Majvest 500 SA, Majvest 200, Majvest 700 SOB, Wetguard), vapor control layers (Majrex, Majpell), sealants (Meltell, Primur), and primers (Dockskin). These products work together as an integrated system for creating airtight and windtight building envelopes in residential, commercial, and passive house construction applications. SIGA also offers training, educational workshops, and webinars to support proper installation.

Differentiator

Problem solved

Functional benefit

Products and services

• Wigluv® Single-sided, diffusible and rainproof high-performance adhesive tape for permanent windtight bonding of component layers outdoors. Available in multiple variants including Wigluv 60, 20/40, 100/150, 230/300, and UV-stable black versions for visible facade applications.
• Majvest® 500 SA Self-adhering, vapor permeable membrane with pressure-sensitive glue for direct bonding to substrates. Functions as a weather-resistant barrier (WRB) and secondary air barrier in one product, with peel-and-stick application.
• Majvest® 200 Diffusion-open, wind and rainproof facade membrane for permanent protection of the exterior wall in residential and commercial construction.
• Majvest® 700 SOB Black facade membrane with acrylate coating on robust fleece for facades with permanently open gaps up to 50mm and maximum surface share of 40%. Features integrated adhesive tape for windtight bonding.
• Wetguard® Rainproof and robust full-surface self-adhesive membrane for reliable moisture protection of timber elements during transportation, assembly, and construction. Features a transparent, non-slip surface.
• Wetguard® 200 SA Semi-impermeable, robust full-surface self-adhesive membrane for reliable moisture protection of timber floors during construction phase. Rainproof with drying potential, robust and abrasion resistant, transparent and non-slip.
• Fentrim® 430 grey Abrasion-resistant adhesive tape for exterior window and door connections. Bonds to masonry and concrete without primer and features a siliconized split release liner for fast installation.
• Fentrim® 230 grey Pre-folded adhesive tape for exterior connections between windows and doors. Bonds from -10°C for fast and tight window installation year-round.
• Fentrim® IS 20 Pre-folded robust adhesive tape for sealing interior structural joints in solid and metal structures where connections are required to window and door frames.
• Fentrim® 330 grey Extremely robust adhesive tape for sealing indoor structural joints in wood, solid, and metal structures where floor-level connections to wall, window, and door elements are required. BBA-certified.
• Rissan® 100 & 150 Single-sided flexible adhesive tape for interior seam sealing and circular penetrations. Elastic properties keep joints sealed despite structural movements.
• Rissan® 60 Single-sided flexible adhesive tape for interior seam sealing and circular penetrations. Smooth carrier material clings tightly around pipes and cables.
• Rissan® 430 grey Primerless, impermeable flashing solution for window and door rough opening applications. Features a thicker profile to withstand minor shifts during installation.
• Rissan® 430 grey corners Durable single-piece corner accessory that provides airtight and watertight corners for windows and doors. Hot and cold temperature application without primer; high puncture and abrasion resistance.
• Meltell® tubular bag High-performance hybrid sealant for joint seams on windows, doors, and facades. Also suitable for secure sealing of leaks and penetrations for indoor and outdoor application. Available in white and black.
• Twinet® Double-sided adhesive tape allowing puncture-free mounting of sheet membranes for fixing vapor control layers to structural substrates. Features extremely strong adhesive on both sides and a protective coating to prevent soiling.
• Majrex® Vapor control layer using Hygrobrid technology that establishes airtight layers on the warm side of thermal insulation with variable vapor diffusion.
• Majpell® Diffusible and tearproof vapor control layers for making airtight layers on the warm side of thermal insulation. Available in Majpell 5 and Majpell 25 variants.
• Corvum® Single-sided, pre-folded high-performance adhesive tape for permanent airtight indoor connection of vapor control layers and panel-type materials in corners.
• Sicrall® Stable adhesive tape for airtight bonding of overlaps for vapor control layers and panel jointing.
• Dockskin® 100 Quick-drying, solvent-free primer that strengthens the bond between SIGA tapes and woodfiber boards, masonry, and concrete substrates.
• Dockskin® 200 Solvent-free primer for strengthening mineral substrates. Deep-penetrating primer suitable as grounding for concrete flooring slabs, plaster, and masonry. Quick-drying on damp substrates.
• Primur® roll Durably self-adhesive and elastic adhesive from the roll suitable for bonding to various substrates to connect layers indoors and outdoors. Features no drying time required.
• Fentrim® grommet black Pre-formed grommet accessory (black variant) in the Fentrim product line, designed for sealing penetrations through the building envelope in visible applications.

Quantifiable outcome

• 0.36 ACH @50 achieved on pre-insulation blower door test for 2,000 sq ft residential project
• +4 more outcomes

Named customers10 records

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Seven partnerships are on record, tiered notable, core and minor.

• Kirksey ArchitectsnotableStrategic or Co-development PartnerArchitecture firm partnering on Rice University Hanszen College mass timber project. SIGA Wetguard products helped protect mass timber construction when above-average rainfall could have caused delays. Project achieved LEED Gold Certification.
• NEI General ContractingcoreStrategic or Co-development PartnerGeneral contractor for Finch Cambridge project - New England's largest Passive House affordable housing development (101,024 sq ft). SIGA provided comprehensive technical support and on-site training.
• Icon ArchitecturecoreStrategic or Co-development PartnerArchitecture firm leading Finch Cambridge project. Quote from Michelle Apigian: 'We're switching to SIGA and I'm so excited!' Provided detailed technical collaboration on window flashing and sequencing.
• Homeowner's Rehab Inc. (HRI)notableOthersNon-profit housing developer and owner of Finch Cambridge project. Represents the affordable housing sector partnership driving Passive House adoption.
• Forney ConstructionnotableImplementation/ SI/ Consulting PartnerBuilder for Rice University Hanszen College mass timber project. Successfully delivered Houston's first mass timber residential building on schedule despite weather challenges.
• Efficiency VermontminorGTM or Marketing PartnerEnergy efficiency program offering rebates and certification. Moulton Farm Home project received $3,000 cash back by hitting High-Performance Level through this program.
• Barkow LeibingernotableStrategic or Co-development PartnerArchitecture firm with Frank Barkow and Regine Leibinger, mass timber specialists who helped Rice University achieve visible sustainability commitment through innovative construction techniques.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Pro Clima (Moll Bauökologische Produkte): Pro Clima is a German-based direct competitor offering high-performance air-sealing membranes, tapes, and weather barriers for airtight and windtight building envelopes, serving the same Passive House and high-performance construction segments.
• Dörken: Dörken's DELTA brand provides high-performance facade membranes, roof underlayments, and weather-resistant barriers used in residential and commercial building envelopes — a closely comparable product line and customer base to SIGA.

Broad incumbents

• Sika: Sika is a Swiss-based global construction chemicals manufacturer with broad portfolios in sealants, adhesives, waterproofing, and facade systems. It overlaps with SIGA in sealants and weatherproofing but operates at much greater scale and breadth.
• 3M: 3M sells construction adhesive tapes, weatherization products, and building envelope solutions across global channels. It is a broad incumbent with overlapping tape and weather barrier offerings, though it does not specialize in SIGA's high-performance air-sealing niche.
• DuPont (Tyvek): DuPont's Tyvek brand is the dominant mainstream house wrap and weather-resistant barrier in North America. It addresses the same building envelope layer as SIGA but at commodity scale and through mass-market distribution.
• Bostik (Arkema): Bostik is a global industrial adhesives manufacturer serving construction, packaging, and industrial assembly. It overlaps with SIGA in construction sealants and adhesives but with a much broader portfolio and larger channel scale.
• Tremco (RPM International): Tremco provides construction sealants, weatherproofing, and building envelope solutions for commercial and institutional buildings. It overlaps with SIGA in facade and window sealing but operates through broad commercial waterproofing channels.
• H.B. Fuller: H.B. Fuller is a global industrial adhesives manufacturer with construction applications including sealants and tapes. It serves overlapping construction end-markets but with a much broader industrial focus.
• Kingspan: Kingspan is a global building envelope specialist with insulation panels, facade systems, and membranes. It competes with SIGA in the high-performance building envelope layer and overlaps in Passive House and commercial construction specifications.

Emerging players

• Titebond (Franklin International): Titebond / Franklin International manufactures construction adhesives and sealants including weatherization and subfloor products. It overlaps with SIGA in select construction tape and sealant categories but lacks SIGA's integrated high-performance air-sealing system.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/siga_n_america
• YouTubeyoutube.com/channel/UCtXADl_NFs8x6EIb75ar2qw
• Facebookfacebook.com/SIGAnorthamerica
• LinkedInlinkedin.com/company/siga-cover-gmbh-deutschland
• Instagraminstagram.com/siga_north_america

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about siga cover