Chapter 3214 — Customs Tariff Headings
Subheadings
Products classified under Tariff item 32.14
Acoustic Wall Mastic Sealant
A sound-dampening mastic for sealing drywall joints, non-hardening, reducing noise transmission. It is a wall surfacing mastic and falls under tariff item 3214.10.90 as an 'other' mastic.
3214.10.90Acrylic Caulking Compound
A paintable latex-based mastic for sealing gaps in walls, windows, and doors in construction. It is a non-refractory preparation for indoor surfacing and falls under tariff item 3214.10.90 as a caulking compound mastic.
3214.10.90Acrylic Caulking Sealant
Acrylic caulking sealant is a water-based mastic used for interior gap filling and sealing. It is paintable and flexible, making it suitable for a variety of construction applications. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin or being for electrical generator use.
3214.10.90Acrylic Latex Caulking Sealant
A water-based acrylic latex compound designed for interior sealing of gaps in drywall, trim, and woodwork. It is paintable after drying and functions as a caulking compound, falling under tariff item 3214.10.90 as an 'other' mastic.
3214.10.90Acrylic Wall Surfacer Filler
Acrylic wall surfacer filler, an acrylic-based filler paste used by painters to level and fill minor cracks on interior walls for optimal paint adhesion. It qualifies as painters' fillings, non-refractory, classified under 'other mastics' in tariff item 3214.10.90.
3214.10.90Automotive Body Filler Putty
Automotive body filler putty is a two-part polyester resin mastic used for repairing dents and rust on vehicles. It is sandable and paintable, making it a common product in auto body shops. This product falls under tariff item 3214.10.90 as painters' fillings, as it is not specifically for electrical generator use.
3214.10.90Bitumen-Free Roofing Mastic
A synthetic rubber mastic for roof flashing seals, waterproof, non-bituminous. It is a surfacing preparation for ceilings and roofs, falling under tariff item 3214.10.90 as an 'other' mastic.
3214.10.90Butyl Rubber Caulking Compound
A synthetic rubber-based caulk for roofing and siding applications, providing excellent weatherproofing and low permeability. It is a caulking mastic, not a pure rubber product, due to its compounded nature, and falls under tariff item 3214.10.90.
3214.10.90Butyl Rubber Glazing Sealant
Butyl rubber glazing sealant is a non-hardening mastic tape or compound used for sealing insulating glass units. Its dead-soft properties allow it to seal edges permanently, providing excellent weatherproofing. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin.
3214.10.90Butyl Rubber Resin Cement
A mastic used in roofing and siding applications for flexible sealing against weather. It is a resin cement mastic, excluded from bituminous types, providing durable, non-hardening seals, under tariff item 3214.10.90.
3214.10.90Clear Glazing Mastic
A transparent silicone mastic for picture frame glazing, flexible, for non-structural glass seals. It is a glazier's mastic and falls under tariff item 3214.10.90 as an 'other' mastic.
3214.10.90Clear Silicone Kitchen & Bath Caulk
A transparent silicone caulking compound for sanitary sealing around sinks, showers, and countertops, with mildew resistance. It dries to a rubber-like flexible seal and is classified under tariff item 3214.10.90 as a caulking mastic.
3214.10.90Dent Repair Filler Mastic
Dent repair filler mastic is a lightweight polyester compound used for automotive panel beating. It cures quickly and sands easily, making it ideal for body shop applications. This product falls under tariff item 3214.10.90 as a painters' filling, not containing phenol-formaldehyde resin.
3214.10.90Epoxy Resin Cement Mastic
A two-part epoxy mastic for repairing concrete cracks in floors and walls. It hardens to a durable surfacing and is a resin cement mastic, falling under tariff item 3214.10.90.
3214.10.90Flexible Polyurethane Caulking
A UV-stable polyurethane mastic for exterior window seals, paintable, for facade and indoor applications. It is a caulking mastic and falls under tariff item 3214.10.90.
3214.10.90Glazier's Putty
Glazier's putty is a traditional linseed oil-based mastic used to secure glass panes in window frames. It hardens over time to form a weatherproof seal, making it a specific type of glazier's putty. This product falls under tariff item 3214.10.90 as a glazier's putty, not containing phenol-formaldehyde resin.
3214.10.90Grafting Putty
Grafting putty is a flexible mastic applied to plant grafts to seal wounds and prevent infection. It is made from resins and fillers, making it suitable for horticultural use. This product falls under tariff item 3214.10.90 as grafting putty, not containing phenol-formaldehyde resin.
3214.10.90High-Performance MS Polymer Caulk
A modified silane (MS) polymer hybrid caulking for demanding joints, combining silicone and polyurethane benefits. It is UV-stable and isocyanate-free, serving as a caulking mastic for construction gap sealing under tariff item 3214.10.90.
3214.10.90High-Performance Silicone Mastic
A neutral-cure silicone mastic for expansion joints in commercial buildings, with high elasticity for seismic zones. It is an 'other' mastic for surfacing, falling under tariff item 3214.10.90.
3214.10.90Industrial Joint Mastic Compound
Industrial joint mastic compound designed for high-temperature resistance in machinery joints. It is a non-refractory mastic used for surfacing factory floors and walls, falling under the 'other mastics' category of tariff item 3214.10.90.
3214.10.90Latex-Based Painters' Mastic
Latex-based painters' mastic, water-based for skim coating walls before painting, with low odor for interior use. It serves as a non-refractory surfacing preparation for indoor walls, classified under 'other mastics' in tariff item 3214.10.90.
3214.10.90Lightweight Drywall Joint Compound
Lightweight drywall joint compound, an all-purpose lightweight compound for painters to tape and finish drywall joints, creating smooth surfaces for painting. It is classified as painters' fillings, non-refractory, under tariff item 3214.10.90.
3214.10.90Low-VOC Silicone Caulking for Green Building
An environmentally friendly silicone caulk with reduced volatile organic compounds for LEED-certified projects. It meets modern emission standards and is classified under tariff item 3214.10.90 as a caulking mastic.
3214.10.90Marine-Grade Caulking Mastic
Marine-grade caulking mastic, UV-resistant and flexible for sealing boat decks and hull joints in saltwater. It is a non-refractory caulking compound, falling under 'other mastics' in tariff item 3214.10.90.
3214.10.90Marine Teak Deck Caulk
Marine teak deck caulk is a polysulfide mastic used for sealing teak deck seams on boats. It is flexible and UV resistant, making it ideal for marine environments. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin.
3214.10.90Oakum Caulking Compound
Oakum caulking compound combines tarred hemp fibers with mastic for pipe and ship joint sealing. It is used in traditional marine and industrial applications. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin.
3214.10.90Oakum-Impregnated Grafting Mastic
Oakum-impregnated grafting mastic, tar-impregnated fiber for sealing tree grafting wounds with a breathable seal. It is a grafting putty mastic, non-bituminous, classified under 'other mastics' in tariff item 3214.10.90.
3214.10.90Outdoor Butyl Tape Caulking Compound
A roll-form butyl rubber caulking mastic applied via tape for RV, gutter, and flashing seals. It is self-adhering for weatherproofing and falls under tariff item 3214.10.90 as a caulking compound despite its tape format.
3214.10.90Paintable Acrylic Caulking for Trim
A low-odor, paintable acrylic latex caulk for baseboards, crown molding, and interior trim gaps. It is a caulking compound mastic for non-structural filling, allowing seamless finishing after painting, under tariff item 3214.10.90.
3214.10.90Painter's Non-Sag Mastic Filler
Painter's non-sag mastic filler, a thick mastic for filling cracks and joints in drywall before painting, staying in place without sagging. It is a non-refractory mastic akin to painters' fillings, classified under 'other mastics' in tariff item 3214.10.90.
3214.10.90Painters' Wood Filler
Painters' wood filler is a mastic compound used to fill cracks and holes in wood before painting. It sands smooth and accepts paint finishes, making it a common product for painters. This product falls under tariff item 3214.10.90 as painters' fillings, not containing phenol-formaldehyde resin.
3214.10.90Plasterers' Ready-Mix Filler
Plasterers' ready-mix filler is a pre-mixed mastic used for wall repairs and patching. It applies smoothly and paints well, making it suitable for interior applications. This product falls under tariff item 3214.10.90 as painters' fillings, not containing phenol-formaldehyde resin.
3214.10.90Plaster Filler Compound for Wall Painting
Plaster filler compound for wall painting, a ready-mixed plaster-based filler used by painters to smooth drywall joints and surface imperfections prior to painting. It provides a non-refractory surfacing preparation for indoor walls, fitting tariff item 3214.10.90.
3214.10.90Polyurethane Construction Caulk
Polyurethane construction caulk is a high-performance mastic used for exterior building joints. It remains elastic under movement, providing durable sealing. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin.
3214.10.90Polyurethane Grafting Putty
Polyurethane grafting putty, a resin cement mastic applied to seal grafts on trees or plants, promoting healing and preventing infection. It is a grafting putty, classified under 'other mastics' in tariff item 3214.10.90.
3214.10.90Resin Cement for Glazing
Resin cement for glazing is a two-part mastic system used for bedding glass in commercial windows and doors. It provides strong adhesion and weather resistance, making it suitable for professional glazing. This product falls under tariff item 3214.10.90 as resin cements, not containing phenol-formaldehyde resin.
3214.10.90Silicone-Based Glazier's Putty
Silicone-based glazier's putty, a mastic compound used by glaziers to seal glass panes in window frames, providing waterproofing and adhesion. It is a glazier's putty, non-refractory, classified under 'other mastics' in tariff item 3214.10.90.
3214.10.90Silicone Caulking Compound
Silicone caulking compound is a sealant used for sealing joints in bathrooms, kitchens, and around windows. Its mastic properties make it suitable for a variety of applications. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin.
3214.10.90Wallboard Joint Compound
Wallboard joint compound, or 'mud,' is a gypsum-based mastic used for taping drywall seams. It provides smooth, paint-ready surfaces, making it a common product for painters. This product falls under tariff item 3214.10.90 as painters' fillings, not containing phenol-formaldehyde resin.
3214.10.90Window Glazing Tape Compound
Window glazing tape compound combines butyl mastic with release paper for easy glass installation. It is pre-formed for commercial glazing applications. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin.
3214.90.00Acrylic Caulking Compound
A water-based acrylic sealant used to fill gaps and joints in construction, preventing air and water infiltration. It is classified as a caulking compound, distinct from bituminous mastics excluded by chapter notes.
3214.90.00Butyl Rubber Glaziers' Putty
A non-hardening putty formulated with butyl rubber, used for bedding glass in window frames. It provides long-term sealing against air and moisture, and is classified as glaziers' putty under this tariff item.
3214.90.00EPDM Rubber Grafting Putty
A flexible mastic made from EPDM rubber, used in horticulture to seal tree grafts. It offers elasticity to accommodate plant growth and is classified as grafting putty based on rubber.
3214.90.00Facade Acrylic Stucco Mastic
A pre-mixed acrylic-based mastic for patching and surfacing exterior stucco walls. It is a non-refractory surfacing preparation for building facades, not a paint or chemical compound per chapter notes.
3214.90.00Grafting Wax Compound
A bitumen-free resin wax used by horticulturists to seal tree grafts and wounds, promoting healing. It is classified as grafting putty or mastic, non-refractory, and excluded from Chapter 27 asphalt mastics.
3214.90.00Hypalon Rubber Roof Coating Mastic
A chlorosulfonated polyethylene (Hypalon) rubber mastic used for coating flat roofs and seams. It provides a waterproof membrane and is classified as a non-refractory surfacing preparation based on rubber.
3214.90.00Latex Wall Crack Filler
A premixed latex-based filler for repairing interior drywall cracks before painting. It is classified as painters' fillings for indoor wall surfacing, non-refractory per heading scope.
3214.90.00Neoprene Resin Cement for Flooring
A rubber-based cement made from neoprene (polychloroprene), used for bonding floor tiles and surfacing indoor floors. It is classified as a non-refractory surfacing preparation based on rubber.
3214.90.00Nitrile Rubber Caulking for Facades
A weather-resistant caulking compound using nitrile rubber for exterior building facades. It offers oil and UV resistance and is classified as a mastic based on rubber for non-refractory surfacing.
3214.90.00Non-Refractory Plaster Filler
A gypsum-free plaster filler for indoor wall repairs, sandable and paintable. It is classified as painters' filling for non-refractory surfacing, excluded from Chapter 68 refractories.
3214.90.00Painters' Wood Filler Putty
A solvent-based putty for filling cracks and holes in wood before painting, providing a smooth surface. It qualifies as painters' fillings for non-structural indoor use, not a chemically defined compound.
3214.90.00Polyisoprene Grafting Mastic Tape
A self-fusing rubber tape made from polyisoprene, used for sealing plant grafts and wounds. It stretches to create an airtight seal and is classified as a grafting putty in tape form.
3214.90.00Polyurethane Construction Sealant
A high-performance polyurethane mastic for expansion joints in concrete buildings. It is classified as a caulking compound, non-bituminous, used for durable, flexible sealing.
3214.90.00Resin Cement for Marble
Epoxy-resin cement used to bond and fill marble tiles and countertops. It is classified as a resin cement under tariff item 3214.90.00 because it is a non-refractory surfacing preparation for construction, not a pure adhesive. The product is not a separate chemically defined compound, so it falls within the scope of Chapter 32.
3214.90.00Rubber-Based Silicone Caulking Compound
A sealant made from synthetic rubber polymers, used for sealing gaps in construction and bathroom applications. It is classified as a caulking compound based on rubber for weatherproofing joints.
3214.90.00SBR Latex Painters' Filling Compound
A water-based filler putty with styrene-butadiene rubber (SBR) latex, used for smoothing drywall imperfections before painting. It sands easily and is classified as painters' fillings based on rubber.
3214.90.00Silicone Kitchen & Bath Caulk
100% silicone sealant for sealing around sinks, tubs, and showers, offering waterproofing and mold resistance. It is classified as a caulking compound under tariff item 3214.90.00 because it is a non-refractory surfacing preparation for indoor use. The product is not a separate chemically defined compound, so it falls within the scope of Chapter 32.
3214.90.00Terrazzo Floor Patching Mastic
Resin mastic with aggregate for repairing terrazzo floors, providing color-matched surfacing. It is classified as a non-refractory surfacing preparation under tariff item 3214.90.00 because it is used for floor repair and finishing. The product is not a separate chemically defined compound, so it falls within the scope of Chapter 32.