Submittal Sheet

DURA-BLOK Supports
Support Bases Only
Base only - see chart for height, width and length.
100% recycled rubber, UV resistant.
Load Rating - Ultimate Uniform Load (See Chart Below)*
DURA-BLOK channel support is designed as an economical support for piping systems,
cable tray, HVAC equipment and many other applications. The DURA-BLOK is UV
resistant and suitable for any type of roofing material or other flat surfaces. Material
effectively accepts screw fasteners for securing accessories.
* General Note: Consult roofing manufacturer or engineer for roof load capacity.
The weakest point may be the insulation board beneath the rubber membrane.
DB Series - Support Bases with B44 Channel
Base with 14 ga. (1.9mm) galvanized channel 1” high (25.4mm) -
see chart for height, width and length.
100% recycled rubber, UV resistant.
Load Rating - Ultimate Uniform Load (See Chart Below)*
DURA-BLOK DB-Series channel support is designed for superior support of
piping systems, cable tray, HVAC equipment, walkway systems and many other
applications. The DURA-BLOK is UV resistant and suitable for installation on any
type of roofing material or other flat surfaces. (For pipe straps/clamps, rollers and
roller supports that can be used with these DURA-BLOK supports, see page 159)
For sloped roofs use B634 adjustable hinge fittings (see page 85).
Height x Width x Length Wt./Each Load Rating
Part No.
In. mm Lbs. kg Lbs. kN
DB5 5” x 6” x 4.8” (127.0 x 152.4 x 121.9) 2.75 (125) 200 (0.89)
DB10 5” x 6” x 9.6” (127.0 x 152.4 x 243.8) 5.28 (2.39) 500 (2.22)
DB20 5” x 6” x 20.2” (127.0 x 152.4 x 513.1) 10.63 (4.82) 1000 (4.45)
DB30 5” x 6” x 30.8” (127.0 x 152.4 x 782.3) 15.99 (7.25) 1500 (6.67)
DB40 5” x 6” x 41.4” (127.0 x 152.4 x 1051.5) 21.34 (9.68) 2000 (8.89)
DB48 5” x 6” x 52.0” (127.0 x 152.4 x 1320.8) 26.70 (12.40) 2500 (11.12)
Height x Width x Length Wt./Each Load Rating
Part No.
In. mm Lbs. kg Lbs. kN
DBM 4” x 6” x 4.8” (101.6 x 152.4 x 121.9) 2.35 (1.07) 200 (0.89)
DBP 4” x 6” x 9.6” (101.6 x 152.4 x 243.8) 4.48 (2.03) 500 (2.22)
Height x Width x Length Wt./Each Load Rating
Part No.
In. mm Lbs. kg Lbs. kN
DB610 6
7
/16” x 6” x 9.6” (163.5 x 152.4 x 243.8) 6.36 (2.88) 500 (2.22)
DB620 6
7
/16” x 6” x 20.2” (163.5 x 152.4 x 513.1) 12.90 (5.85) 1000 (4.45)
DB630 6
7
/16” x 6” x 30.8” (163.5 x 152.4 x 782.3) 19.45 (8.82) 1500 (6.67)
DB640 6
7
/16” x 6” x 41.4” (163.5 x 152.4 x 1051.5) 26.00 (11.79) 2000 (8.89)
DB648 6
7
/16” x 6” x 52.0” (163.5 x 152.4 x 1320.8) 32.55 (14.76) 2500 (11.12)
DB6 Series - Support Base with B12 Channel
Base with 12 ga. (2.6mm) galvanized channel 2
7
/16” high (61.9mm) -
see chart for height, width and length.
100% recycled rubber, UV resistant.
Load Rating - Ultimate Uniform Load (See Chart Below)*
DURA-BLOK DB-Series channel support is designed for superior support of piping
systems, cable tray, HVAC equipment, walkway systems and many other
applications. The DURA-BLOK is UV resistant and suitable for installation on any
type of roofing material or other flat surfaces. (For pipe straps/clamps, rollers and
roller supports that can be used with these DURA-BLOK supports, see page 159)
For sloped roofs use B634 adjustable hinge fittings (see page 85).
DB20
DB10
DBP
DBM
DB30
DB610
DB620
DB630
Reference page 153 for general fitting and standard finish specifications.
DURA-BLOK
Rooftop Supports
154
Strut Systems