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.

Description Item# pcs/Box Locking Position
Original Mount Master Original Mount Master Scalloped: 1128
Square: 1118
10 0.75″, 1.00″, 1.25″
Surface Block - Dutch Lap Surface Block
– Dutch Lap
1122
(Special Order)
10
Jumbo Mount Jumbo Mount 1125 10 0.75″, 1.00″, 1.25″
Slim Line Mount Slim Line Mount 1127 10 0.50″, 0.75″
Surface Block - Triple 3 Surface Block
– Triple 3″
1123
(Special Order)
10
Super Jumbo Mount Super Jumbo Mount 1134 1 0.75″, 1.00″, 1.25″
Large Recessed Mount Large Recessed Mount 1143 5 0.625″, 0.875″
Surface Master - Octagon 4 Surface Master
– Octagon 4″-10″
1121
(Special Order)
10
Recessed Jumbo Mount Recessed Jumbo Mount 1142 10 0.625″, 0.875″
Recessed Square Mount Recessed Square Mount 1147 10 0.625″, 0.875″
B.C. Recessed Mini Mount Recessed Mini Mount 1126 10 0.75″, 1.00″, 1.25″
Meter Block Meter Block 5625 1
Jumbo Meter Block Jumbo Meter Block 5623 1
Mini Mount Mini Mount 1116 1 0.50″, 0.85″
Split Block Mini-Mount Split Block Mini-Mount 1148 10 0.75″, 1.00″, 1.25″
Description Item# pcs/Box Locking Position
Electrical Block Electrical Block 5626
(Special Order)
2 0.875″, 1.125″, 1.375″,1.625″
Jumbo Electrical Block Jumbo Electrical Block
– ed*
5624
(Special Order)
2 0.875″, 1.125″, 1.375″,1.625″
Jumbo Electrical Block - Offset Jumbo Electrical Block
– Offset
5622
(Special Order)
10 0.875″, 1.125″,
1.375″,1.625″
Super Jumbo Electrical Block Super Jumbo Electrical Block 5630
(Special Order)
2 7/8″, 1-1/8 “,
1-3/8″,1-5/8”
Jumbo for Water Management and Composite Siding Jumbo for Water Management
and Composite Siding
5686
(Special Order)
10 7/16, 11/16,
15/16
Split Block for Water Management and Composite Siding Split Block for Water Management
and Composite Siding
5682
(Special Order)
10 7/16, 11/16,
15/16
Description Item# pcs/Box Locking Position
4“ Hooded Vent for Water 4“ Hooded Vent for Water Management and Composite Siding 5683
(Special Order)
1 7/16″, 11/16″, 15/16″
4 4″ Hooded Vent – For Insulated Siding
Concealed exhaust flap.Includes 8” long aluminum tube (4“ diam.)
12 sq.ft. net free area
5684
(Special Order)
1 0.75″, 1.00″, 1.25″
Master Exhaist Vent - For Insulated Siding Master Exhaist 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)
1 7/8″, 1-1/8 “, 1-3/8″,1-5/8”
Spilt Block for Insulated Siding Spilt Block for Insulated Siding 5681
(Special Order)
10 3/4″, 1″, 1-1/4″,1-5/8″
Original Mount Master For Insulated Siding Original Mount Master For Insulated Siding Scalloped
5688
(Special Order)
10 7/8″, 1-1/8 “, 1-3/8″,1-5/8”
Jumbo Mount- For Insulated Siding Jumbo Mount- For Insulated Siding 5689
(Special Order)
10 7/8″, 1-1/8 “, 1-3/8″,1-5/8”
4 4″ Hooded Vent 1150 1 0.75″,1.00″,1.25″
6 6″ Hooded Vent
Concealed exhaust flap. Wire screen included Includes 8” long
aluminum tube. 25 sq.ft. net free area
1141 1 0.75″,1.00″,1.25″
8 8″ 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)
1 0.50″,0.75″
Small Animal Guard for 4 Small Animal Guard for 4″ Hooded Vent 1139 1
Master Exhaust Vent Master Exhaust Vent Scalloped: 1124
Square: 1119
4 0.75″,1.00″,1.25″
Small Animal Guard for Master Exhaust Vent Small 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 Vent Master 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
1149 1 0.625″,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 Ring Foundation Master – Lock-On Trim Ring
Remodeling for easy installation molded-in screen for insect
protection 50 sq.ft. net free area
5088 1 0.75″,1.00″,1.25″
Foundation Master - Fixed Louver molded-in screen Foundation Master – Fixed Louver molded-in screen
for insect protection 50 sq.ft. net free area
5189
(Special Order)
10