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GFTK Joint Compounds

The Next Generation of Permeable Hardscape Supplies

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gftk 840 plus xtreme easy

Xtreme Easy: VDW 840

The Best Wet Polymeric Sand In Hardscaping
PHNA Xtreme Easy is a pre-mixed, 1-component resin paving joint compound suitable for concrete pavers, natural stone, and tile.

  • Water-permeable
  • Air-drying
  • Self-compacting
  • It can be applied in light rain
  • Clean, stain-free surface
  • Pressure washer friendly
  • 1/8” joint width suitable for ceramic tile, 1/4″ for concrete pavers
  • For pedestrian traffic loads
  • Comes in a 33lb Bucket

Two-Part Resins:


xtreme ceramic gftk 815 e1718656149388

Xtreme Ceramic: VDW 815

  • For light to medium traffic loads
  • For flags and slabs, specially designed for ceramic tiles
  • Water permeable
  • Self-compacting
  • Can even be applied in light rain and at low temperatures
  • No resin film
  • No whitening
  • Highly abrasion and mechanical sweeper-resistant
  • Can be applied from > 37ºF surface temperature

xtreme plus vdw 850

Xtreme Plus: VDW 850

The PHNA Xtreme Joint Compound is a 2-component epoxy paving joint compound designed for large format natural stone, concrete paver surfaces, and other high-traffic areas.
– both residential and commercial.

The following are a few specific details about the product:

  • Water-permeable
  • Suitable for extra-wide joints
  • Can be applied in rain and low temperatures
  • Self-compacting
  • Clean, stain-free surface
  • No need to protect the surface from rain
  • Highly frost and de-icing salt-resistant
  • Durable and abrasion-resistant
  • Pressure washer friendly
  • 3/16” joint width or larger
  • For light to medium traffic loads

vdw 833 resin jointing compound

Xtreme Plus: VDW 833

The 2 Part Resin Mixer Assembly Is Required For Use

  • For light to medium traffic loads
  • For joint widths from 3/8″
  • Water permeable
  • Self-compacting
  • Can be applied to ground temperatures of > 37°F
  • Can be applied in the rain

gftk 840 plus xtreme easy logo

Xtreme Plus: VDW 835

The 2 Part Resin Mixer Assembly Is Required For Use

  • For medium to heavy traffic loads
  • For joint widths from 1/4″
  • Slightly water permeable
  • Self-compacting
  • Can be applied in the rain
  • Quick re-opening to traffic
  • Can be applied from > 37ºF surface temperature
  • No whitening

xtreme trass bedding vdw480 1

Xtreme Bedding Compound:
(VDW 480 Trass Bedding)

The PHNA Xtreme Bedding Compound is a high-strength, highly-plastic modified, frost-resistant drainage mortar for the laying of natural stone, slabs, tile, and concrete pavers.

  • Highly water-permeable
  • Frost and de-icing salt resistant
  • No efflorescence despite rapid hardening
  • High-quality plastic coating resists capillary effect
  • For light to heavy traffic loads
  • Compressive strength up to 5500 psi
  • Eliminate the need for a concrete sub-slab
  • Can be grouted 24 hours after installation
  • Compatible with radiant heating/snowmelt systems

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Xtreme Adhesion Elutriant: VDW 495

The PHNA Xtreme Adhesion Elutriant is a high-strength, highly plastic-modified, hydraulically hardening universal bonding compound used to secure pavers, natural stone, and porcelain tile to the PHNA Xtreme Bedding Compound (vdw 480 Trass Bedding).

•For light to heavy traffic loads
•Fast hardening
•Desired quantity can be mixed as needed
•Suitable for use with under-surface heating
•Laid “wet-to-wet” on the Trass Bedding
•Surface can be opened 24 hours after application

Contractor and Customer Testimonials

Contractor testimonial

GFTK 2-part techo-bloc permeable Driveway

Check out this gorgeous permeable driveway system installed by Willowgate Landscaping!

Using Techo-Bloc Blu 80 Slate HD and GFTK’s 2-part resin, they were able to produce a magnificent project. Gone are the days of flooded driveways and dull asphalt projects. A permeable paver system in your driveway is more attractive, eco-friendly, and most importantly, durable and functional.


Customer testimonial

GFTK 2-part permeable Patio


GFTK’s 2 part resin epoxy permeable jointing compound is revolutionary and is completely new to the North American hardscape scene. This product lasts double the regular lifespan of poly sand and wet sand and is way more durable overall.

GFTK Consumption Calculator

Please Note For The Calculator:
Calculations will only occur if all fields are filled in correctly.
Please ensure that a 0. is listed where the dimensions are under an inch.

For The Xtreme Elutriant:  Coverage is approximately 75 sq ft per bag of VDW 495.