TERM Barriers and Residential Construction

Polyguard’s background is mostly in commercial construction, so TERM waterproofing and building envelope protective materials are heavier duty than materials normally used for residential construction.  But residential construction customers can build with most TERM Water|Termite Barriers, as shown below.

TERM termite barrier details chart


TERM Termite Sealant at slab penetrations 

TERM Slab Penetrations
TERM Termite Sealant at slab penetrations 

You can’t even see that the gaps between slab penetrations and the surrounding concrete are large enough to allow 1/50” termite to travel through, but this is an entry point.

Plastic sleeves such as the blue in the photo keep the penetration from contacting the concrete.  But the sleeves create tunnels for termites.  This sleeve must be cut off where it comes out of the slab, and pushed up the penetration, before the sealant is applied.




TERM Particle Barrier used at bath traps

TERM Bath Traps
TERM Particle Barrier used at bath traps

Precisely sized particles of stone, invented in 1956 at California-Berkeley, were developed for construction as a termite barrier by the University of Hawaii during the 1980’s.  Today the particle barrier has been proven in many university studies and is used all around the Pacific Basin.

Poured 4” deep into a cleaned-out bath trap, TERM Particle Barrier is a sustainable alternative to the extra heavy termiticide application used around slab penetrations prior to the concrete slab being poured.



TERM Sill Barrier

TERM Sill Perimeter Diagram
TERM Sill Barrier being applied on perimeter

TERM Sill Barrier is used in conjunction with TERM Flashing Barrier (see number 4) to block termites which have climbed up exposed exterior concrete.  The combination blocks termites from entry at the intersection of the slab and exterior sheathing.  The sill barrier also blocks moisture transmission from the slab to the framing above.



TERM Flashing Barrier

Base Flashing Barrier Diagram
TERM Flashing Barrier

TERM Flashing Barrier, used in conjunction with TERM Sill Barrier (see number 3), blocks termites which have climbed up exposed exterior concrete from entry at the intersection of the slab and exterior sheathing.

TERM Flashing Barrier also blocks moisture and energy leaks at the slab/sheathing intersection.

TERM Flashing Barrier is available in narrower widths for use at seams and windows.



TERM Flooring Underlayment Barriers

TERM Flooring Underlayment
TERM Flooring Underlayment Barrier

TERM Flooring Underlayment blocks termites and moisture from entry through concrete joints and cracks and penetrating to the floor and interior above.

TERM Tile Underlayment Barrier is also an anti-fracture membrane.  If the concrete underneath cracks, the underlayment absorbs the energy generated by the crack from transmitting up and cracking the tile above.  TERM Tile Underlayment Barrier also has sound absorption properties.

TERM Wood Floor Underlayment Barrier protects against moisture and quiets the floor.


TERM Particle Barrier perimeter protection

TERM Particle Barrier perimeter protection
TERM Particle Barrier perimeter protection

TERM Particle Barrier works equally well on both new and existing structures.  The precisely sized particles of stone used in TERM Particle Barrier are too large for termites to move aside, and too small for them to crawl between.

These particles are used to protect exposed concrete perimeters from termites climbing from the soil up the side of exposed concrete perimeters.  Climbing termites can be stopped underground by a perimeter treatment with TERM Particle Barrier.  

The graphic below shows how TERM Particle Barrier is installed in a wedge-shaped trench against a wall completely cleaned of mud and debris.

Perimeter particle barrier should be installed by a licensed pest control operator.  These professionals, trained in termite control, can perform the required regular inspection and maintenance, maintaining schedules, and keeping records.

Regular inspection is required.  A particle barrier around exposed perimeter can be disrupted by cats or dogs digging, children playing, landscaping, construction, overgrowth, debris, mulch, flooding, and other disruption.

TERM Termite Graphic

LIMITATION: No termite guarantee is provided for TERM Particle Barrier unless the barrier is installed by a licensed pest control firm, who can perform and keep records showing that required regular inspections are performed, along with any needed maintenance.

VIDEO showing how TERM Particle Barrier eliminated a colony of Eastern Subterranean termites

VIDEO with overview of TERM Particle Barrier       


TERM Isolation Joint Barrier

TERM Isolation Joint Barrier Diagram
TERM Isolation Joint Barrier

TERM Isolation Joint Barrier (or cold joint) is used in conjunction with a perimeter protection installation of TERM Particle Barrier.

If the exposed concrete perimeter has been protected with TERM Particle Barrier there will be unprotected gaps where concrete driveways, patios, and sidewalks abut the structure. TERM Isolation Joint Barrier can protect from termites in these areas.

TERM Isolation Joint Barrier should be installed just before pouring the new concrete slab.  It provides a termite seal, plus a TERM Micromesh™ barrier screen embedded in the new slab.


TERM Water|Termite Barrier for foundations

TERM Water | Termite Barrier for oundations
Man installing TERM Water|Termite Barrier for foundations

Since Polyguard began producing self-adhesive waterproofing in 1970, close to one billion square feet have been installed worldwide, protecting well known structures such as Universal’s Harry Potter attraction in Orlando, Minnesota Vikings Stadium, and the Perot Museum in Dallas.

TERM Water|Termite Barrier is an upgraded version of Polyguard’s waterproofing, thicker and laminated to TERM Termite Sealant Barrier which has been tested as termite barrier for over 20 years.

We recommend that TERM Water|Termite Barrier be applied to below-grade foundation walls by an experienced professional commercial waterproofing contractor, as installation on many projects can be very involved..




TERM Underslab Barrier

TERM Underslab Barrier Diagram
TERM Underslab Barrier Installation

The photo on the right shows TERM Underslab Barrier being installed prior to slab pour.  100% barrier protection of the horizontal slab surface is highly effective.  Due to joints built into concrete slabs, and the almost certain slab cracks which will occur after the slab is constructed, it cannot be predicted where openings for termite entry will occur.

Other than for slab on grade structures TERM Underslab Barrier Is not available for residential construction.  When installed along with below-grade foundation waterproofing, the small size and construction methods of residential building greatly increase the likelihood that the critical tie-ins between the underslab barrier and the below-grade foundation wall barrier will not result in watertight and termite-tight system.  

This restriction can have exceptions, of course.  A large structure with TERM Barriers installed by a professional commercial waterproofer is an example of an exception.