Integra Adhesives

Integra Horizon Indoor/Outdoor Seaming Adhesive – 250ml Cartridge

SKU: INTHORIZON250

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Description

Integra Horizon replaces Ultra and Zero

One 10:1 cartridge now covers the outdoor jobs Ultra handled and the vertical jobs Zero handled. Also sold by Integra as Surface Bonder Horizon.

  • UV resistant and non-yellowing, for indoor and outdoor seams
  • Non-sag formula that holds the bead on vertical work
  • GREENGUARD Gold certified, low VOC, made in the USA

Indoor and outdoor seaming adhesive for stone fabrication

Integra Horizon outdoor seaming adhesive is a UV resistant, non-yellowing, 10:1 two-part methacrylate for seaming and bonding quartz, porcelain, sintered stone, ceramic, natural stone and solid surface, indoors and out. One cartridge covers the kitchen counter and the pool deck.

Horizon runs the way a seaming adhesive should on the shop floor: purge, mix, bead, clamp and clean up inside the working time. The cartridge meters and mixes at a fixed 10:1 through a static mixer, and the colors are developed to match leading surface brands.

Specifications

Property Value
Adhesive Type Two-part methacrylate
Mix Ratio 10:1
Package 250ml cartridge
Qualified Substrates Quartz, porcelain, ceramic, sintered stone, natural stone, solid surface
Working Time 8 to 13 minutes
Fixture Time 20 to 30 minutes
Operating Temperature 60 to 80 degrees F (16 to 27 degrees C)
Temperature Cycling -40 to 158 degrees F (-40 to 70 degrees C), based on ASTM D1183
Viscosity, Adhesive 40,000 to 70,000 cPs
Viscosity, Activator 700 to 2,000 cPs
Color, Adhesive Various (color-matched range)
Color, Activator Clear
Flexural Strength, Natural Stone Greater than 4,000 psi
Flexural Strength, Quartz Greater than 4,000 psi
Flexural Strength, Sintered Stone Greater than 4,000 psi
Flexural Strength, Porcelain Greater than 4,000 psi
Gap Filling Recommended bond line less than 0.04 in (1.0 mm)
Sag Performance Non-sag
QUV Color Performance ΔE* less than 1.50 on popular colors such as Trans White, Lunar Pearl and Fieldstone (exact value varies by color)
Shelf Life 2 years (see expiration date on the cartridge)
Storage Upright, 60 to 80 degrees F (16 to 27 degrees C), cool and dry. Do not freeze.
Certification GREENGUARD Gold (UL 2818)
Country of Manufacture USA
VOC Low VOC. GREENGUARD Gold criteria set a maximum predicted TVOC of 0.22 mg/m3.
Available Sizes 250ml cartridge, SKU INTHORIZON250. Each color carries its own SKU in the INT41000 series. Two X-Stream mixing tips ship with each cartridge.

Use below 55 degrees F (12 degrees C) or above 90 degrees F (32 degrees C) may cause incomplete cure, yellowing and poor bond strength.

Find Your Color: Integra Color Match Tool
+Choosing Your Color

Horizon is a color-matched range developed to match leading surface brands. Pick your color in the selector above, and each color carries its own SKU.

  • Know your slab name? Run it through our Color Match Tool to get the adhesive color, then pick it from the selector.
  • At the slab? The free Integra Adhesives app has the same matches on your phone, plus an adhesive calculator for estimating how many cartridges a job needs.
  • Working from a photo? The natural stone seam gallery shows finished seams on real slabs.
  • Do not see your color? Call us with the slab name and we will help you find a match.

Test on an offcut before you seam the finished piece to confirm the color match.

+What You Need to Dispense It

The 250ml cartridge is a 10:1 format. It will not run in a 1:1 or 2:1 gun.

Item Notes
X-Stream Static Mixing Tip Two ship with each cartridge. Order extras for additional seams.
Integra 250ml Manual Dispenser, 10:1 The standard gun for this cartridge. 18:1 mechanical advantage, non-drip release between pulls.
DP2X-200 Pneumatic Cartridge Gun, 10:1 Air-powered option for high-volume shops. Cuts hand fatigue on long seaming days.

Horizon runs on the same 10:1 dispenser and X-Stream tip as Xi+. Call us with the gun you already have and we will confirm the fit.

+Performance in Production
  • The 8 to 13 minute working time is a short window. Set the seam, check alignment and remove squeeze-out before it closes. Clamps stay on until the 20 to 30 minute fixture time is reached.
  • Flexural strength above 4,000 psi is listed on natural stone, quartz, sintered stone and porcelain. One adhesive carries one strength figure across the four slab materials a shop seams in a week.
  • A QUV color shift of ΔE* below 1.50 on popular colors means the cured seam shows very little color change in accelerated UV testing. That is the data behind the UV resistant, non-yellowing positioning. Ask us for the figure on the color you run.
  • Temperature cycling from -40 to 158 degrees F supports exterior seams that see cold nights and hot sun, such as outdoor kitchen counters and pool edges.
  • The non-sag formula holds the bead on vertical seams, cladding and fireplace surrounds without running.
  • The recommended bond line is under 0.04 in (1.0 mm), so plan on tight, well-fitted joints. Horizon is specified as a seaming adhesive, not a gap filler.
+What Fabricators Use It For
  • Countertop and deck seams in quartz, porcelain, sintered stone, natural stone and solid surface
  • Outdoor kitchens and exterior trim
  • Pool edges, poolside installations and flooring applications
  • Laminated build-ups and edge details
  • Miter joints in countertop fabrication
  • Vertical cladding assemblies and fireplace seaming

We also carry the other Integra seaming adhesives: Integra Xi+ and Integra Rapid.

+How to Seam Stone with Integra Horizon

Seaming with Horizon is a purge, mix, bead, clamp and clean-up routine on clean, dry stone, run from a 10:1 cartridge dispenser. Surfaces need to be clean, dry and free of dust, oil and debris. Wipe with isopropyl alcohol or denatured alcohol before bonding, and run a test bond before large-scale fabrication to confirm compatibility and color match.

  1. Load the cartridge into an Integra-approved 10:1 cartridge dispenser such as the Integra 250ml Manual Dispensing Gun.
  2. Purge until both components flow evenly.
  3. Attach one of the two X-Stream mixing tips supplied with the cartridge and purge again until the color is consistent.
  4. Apply a steady bead directly to the substrate with enough material for a small amount of squeeze-out.
  5. Clamp with the right pressure, or support the pieces, until the fixture time is reached.
  6. Remove excess adhesive inside the working time.
  7. After full cure, remove the clamps and clean up as needed.

The process runs on quartz, porcelain, ceramic, sintered stone, natural stone and solid surface. Keep the work between 60 and 80 degrees F. Below 55 or above 90 degrees F, Integra notes that working and fixture times change and the seam can cure incompletely, yellow or lose bond strength.

+Integra Horizon FAQ

What is Integra Horizon outdoor seaming adhesive used for?

Integra Horizon seams and bonds quartz, porcelain, ceramic, sintered stone, natural stone and solid surface, indoors and outdoors. Typical jobs are countertop and deck seams, laminated build-ups and edge details, miter joints, vertical cladding, fireplace seaming, outdoor kitchens, pool edges, exterior trim and flooring. Surface Bonder Horizon and Integra Horizon are the same adhesive.

Does Integra Horizon replace Integra Ultra and Integra Zero?

Yes. Horizon is the replacement for both. Ultra was Integra’s outdoor formulation and Zero was its no-drip formulation, and Horizon covers both jobs in one cartridge: UV and weather resistance for exterior work and a non-sag formula for vertical work. Run a test bond on your material before you move a production job over.

Is Integra Horizon UV resistant and non-yellowing for outdoor use?

Yes. Horizon is Integra’s UV resistant, non-yellowing methacrylate for exterior stone fabrication. In QUV accelerated weathering tests, popular colors such as Trans White, Lunar Pearl and Fieldstone measured a color change (ΔE*) below 1.50, and the exact value varies by color. Apply it inside the 60 to 80 degree F operating range, since Integra notes yellowing can result from use outside it.

What does Integra Horizon bond to?

Integra qualifies Horizon for quartz, porcelain, ceramic, sintered stone and natural stone, and it also works on solid surface. Always run a test bond before large-scale fabrication to confirm compatibility and color match. For any other material, call us before you order.

Does Horizon come in my color?

Horizon is a color-matched range developed to match leading surface brands, and the selector above lists every color we carry with its own SKU. Try the Color Match Tool, then test on an offcut before you seam the finished piece. Call us if you do not see your color.

What dispenser and mixer does Horizon need?

Horizon is a 10:1 cartridge adhesive and runs from an Integra-approved 10:1 cartridge dispenser. We stock the Integra 250ml Manual Dispensing Gun (INTDI250MAN) and the Integra X-Stream Static Mixing Tips (INTTIPSXSTREAM). Each 250ml cartridge comes with two tips, and extras are available.

Is Integra Horizon GREENGUARD Gold certified and low VOC?

Yes. Horizon is certified to GREENGUARD Gold (UL 2818) for low chemical emissions, which sets a maximum predicted TVOC of 0.22 mg/m3, and Integra lists it as a low VOC product. It contains methyl methacrylate, so use it with adequate ventilation and read the SDS before you start.

Where is Integra Horizon made?

Integra Horizon is made in the USA.

Questions on fit for your seaming or outdoor fabrication job? Call (800) 220-1966 or email [email protected].

Additional information

Weight 1.03 lbs
Dimensions 3 × 3 × 7 in
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