Mount Blocks & Utility Vents

The industry standard for mounting all exterior fixtures on any surface. Distinctive style and matching colors paired with durability and easy installation make these the mounting blocks of choice. These products conceal the cut edges of siding for a finished, professional look, while eliminating moisture and air infiltration. They are available in all Kaycan siding colors.

DescriptionItem#pcs/BoxLocking Position
Original Mount MasterOriginal Mount MasterScalloped: 1128
Square: 1118
100.75″, 1.00″, 1.25″
Surface Block - Dutch LapSurface Block
– Dutch Lap
1122
(Special Order)
10
Jumbo MountJumbo Mount1125100.75″, 1.00″, 1.25″
Slim Line MountSlim Line Mount1127100.50″, 0.75″
Surface Block - Triple 3Surface Block
– Triple 3″
1123
(Special Order)
10
Super Jumbo MountSuper Jumbo Mount113410.75″, 1.00″, 1.25″
Large Recessed MountLarge Recessed Mount114350.625″, 0.875″
Surface Master - Octagon 4Surface Master
– Octagon 4″-10″
1121
(Special Order)
10
Recessed Jumbo MountRecessed Jumbo Mount1142100.625″, 0.875″
Recessed Square MountRecessed Square Mount1147100.625″, 0.875″
B.C. Recessed Mini MountRecessed Mini Mount1126100.75″, 1.00″, 1.25″
Meter BlockMeter Block56251
Jumbo Meter BlockJumbo Meter Block56231
Mini MountMini Mount111610.50″, 0.85″
Split Block Mini-MountSplit Block Mini-Mount1148100.75″, 1.00″, 1.25″
DescriptionItem#pcs/BoxLocking Position
Electrical BlockElectrical Block5626
(Special Order)
20.875″, 1.125″, 1.375″,1.625″
Jumbo Electrical BlockJumbo Electrical Block
– ed*
5624
(Special Order)
20.875″, 1.125″, 1.375″,1.625″
Jumbo Electrical Block - OffsetJumbo Electrical Block
– Offset
5622
(Special Order)
100.875″, 1.125″,
1.375″,1.625″
Super Jumbo Electrical BlockSuper Jumbo Electrical Block5630
(Special Order)
27/8″, 1-1/8 “,
1-3/8″,1-5/8”
Jumbo for Water Management and Composite SidingJumbo for Water Management
and Composite Siding
5686
(Special Order)
107/16, 11/16,
15/16
Split Block for Water Management and Composite SidingSplit Block for Water Management
and Composite Siding
5682
(Special Order)
107/16, 11/16,
15/16
DescriptionItem#pcs/BoxLocking Position
4“ Hooded Vent for Water4“ Hooded Vent for Water Management and Composite Siding5683
(Special Order)
17/16″, 11/16″, 15/16″
44″ Hooded Vent – For Insulated Siding
Concealed exhaust flap.Includes 8” long aluminum tube (4“ diam.)
12 sq.ft. net free area
5684
(Special Order)
10.75″, 1.00″, 1.25″
Master Exhaist Vent - For Insulated SidingMaster Exhaust Vent – For Insulated Siding
Patented exhaust
flaps stay closed when not in useIncludes 8” long aluminum tube (4“ diam.)
12 sq.ft. net free area
1 pc/BOX
5687
(Special Order)
17/8″, 1-1/8 “, 1-3/8″,1-5/8”
Spilt Block for Insulated SidingSpilt Block for Insulated Siding5681
(Special Order)
103/4″, 1″, 1-1/4″,1-5/8″
Original Mount Master For Insulated SidingOriginal Mount Master For Insulated SidingScalloped
5688
(Special Order)
107/8″, 1-1/8 “, 1-3/8″,1-5/8”
Jumbo Mount- For Insulated SidingJumbo Mount- For Insulated Siding5689
(Special Order)
107/8″, 1-1/8 “, 1-3/8″,1-5/8”
44″ Hooded Vent115010.75″,1.00″,1.25″
66″ Hooded Vent
Concealed exhaust flap. Wire screen included Includes 8” long
aluminum tube. 25 sq.ft. net free area
114110.75″,1.00″,1.25″
88″ Hooded Vent
requirements of newer high efficiency HVAC systems.
Can be installed with an 8” or 7“ diameter tube (not included).Meets the increased air flow
Adapter for 7” diameter tube is included.
Concealed exhaust 48 sq.ft. net free are
1136
(Special Order)
10.50″,0.75″
Small Animal Guard for 4Small Animal Guard for 4″ Hooded Vent11391
Master Exhaust VentMaster Exhaust VentScalloped: 1124
Square: 1119
40.75″,1.00″,1.25″
Small Animal Guard for Master Exhaust VentSmall Animal Guard for Master Exhaust Vent
Use in place of the trim ring.
Order in addition to the Master Exhaust Vent
1138
(Special Order)
1
Master Intake / Exhaust VentMaster Intake / Exhaust Vent
Full fiberglass screening. Not for use as a dryer or furnace vent Snap-in Modular Vent Tube adjusts from 1 1/2” to 8“ and comes with 4”-3” reducer.
12 sq.ft. net free area
114910.625″,1.00″,1.25″
Foundation Master Foundation Master – New Construction patented flange inserts into
block molded-in screen for insect protection 50 sq.ft. net free area
5188
(Special Order)
10
Foundation Master - Lock-On Trim RingFoundation Master – Lock-On Trim Ring
Remodeling for easy installation molded-in screen for insect
protection 50 sq.ft. net free area
508810.75″,1.00″,1.25″
Foundation Master - Fixed Louver molded-in screenFoundation Master – Fixed Louver molded-in screen
for insect protection 50 sq.ft. net free area
5189
(Special Order)
10