Stainless Stock Top Mount Caps
100% Stainless Steel
Highest Quality - Lifetime Warranty

Stainless caps can be painted.
We contract painting with an outside powder coating company.
Standard paint is satin black, other colors are available.  


Shown above SS17X57 with 10" high screen

87 Different Sizes In Stock

Easy Assembly

4 Different Screen Heights
8", 10", 12", 16"

2 Different Lid Sizes
Standard: 2˝" or Big Lid: 4˝"

Click on pictures to enlarge.

These caps fasten to the cement crown (area around the flues).
Mounting flange is "slope adjustable" & has pre-punched holes for easy fastening.

  • Heavy Duty Construction
  • Removable Lids
  • Reversible Screens 
All Stock Top Mount Caps Include:
Tapcon™ Stainless Steel Masonry Screws
Tapcon™ Masonry Drill Bit

Stainless Steel
9" Wide Caps

Standard Lid Has 2˝" Overhang Past Screen
Select a screen height at least 5" taller than tallest flue.
AVAILABLE HEIGHTS: 8", 10", 12", 16"

Model # Base Size
Inside Opening
Base Size
Outside Dimension
Standard Lid Size Big Lid Size
SS9X9 9" X 9" 12" X 12" 14" X 14" 18" X 18"
SS9X13 9" X 13" 12" X 16" 14" X 18" 18" X 22"
SS9X17 9" X 17" 12" X 20" 14" X 22" 18" X 26"
SS9X21 9" X 21" 12" X 24" 14" X 26" 18" X 30"
SS9X25 9" X 25" 12" X 28" 14" X 30" 18" X 34"
SS9X29 9" X 29" 12" X 32" 14" X 34" 18" X 38"
SS9X33 9" X 33" 12" X 36" 14" X 38" 18" X 42"
SS9X37 9" X 37" 12" X 40" 14" X 42" 18" X 46"
SS9X41 9" X 41" 12" X 44" 14" X 46" 18" X 50"
SS9X45 9" X 45" 12" X 48" 14" X 50" 18" X 54"
SS9X49 9"X 49" 12" X 52" 14" X 54" 18" X 58"
SS9X53 9" X 53" 12" X 56" 14" X 56" 18" X 68"
SS9X57 9" X 57" 12" X 60" 14" X 60" 18" X 66"
SS9X61 9" X 61" 12" X 64" 14" X 64" 18" X 70"
SS9X65 9" X 65" 12" X 68" 14" X 68" 18" X 74"
SS9X69 9" X 69" 12" X 72" 14" X 72" 18" X 78"
SS9X73 9" X 73" 12" X 76" 14" X 76" N/A

Stainless Steel
13" Wide Caps

Standard Lid Has 2˝" Overhang Past Screen
Select a screen height at least 5" taller than tallest flue.
AVAILABLE HEIGHTS: 8", 10", 12", 16"

Model # Base Size
Inside Opening
Base Size
Outside Dimension
Standard Lid Size Big Lid Size
SS13X13 13" X 13" 16" X 16" 18" X 18" 22" X 22"
SS13X17 13" X 17" 16" X 20" 18" X 22" 22" X 26"
SS13X21 13" X 21" 16" X 24" 18" X 26" 22" X 30"
SS13X25 13" X 25" 16" X 28" 18" X 30" 22" X 34"
SS13X29 13" X 29" 16" X 32" 18" X 34" 22" X 38"
SS13X33 13" X 33" 16" X 36" 18" X 38" 22" X 42"
SS13X37 13" X 37" 16" X 40" 18" X 42" 22" X 46"
SS13X41 13" X 41" 16" X 44" 18" X 46" 22" X 50"
SS13X45 13" X 45" 16" X 48" 18" X 50" 22" X 54"
SS13X49 13" X 49" 16" X 52" 18" X 54" 22" X 58"
SS13X53 13" X 53" 16" X 56" 18" X 58" 22" X 62"
SS13X57 13" X 57" 16" X 60" 18" X 62" 22" X 66"
SS13X61 13" X 61" 16" X 64" 18" X 66" 22" X 70"
SS13X65 13" X 65" 16" X 68" 18" X 70" 22" X 74"
SS13X69 13" X 69" 16" X 72" 18" X 74" 22" X 78"
SS13X73 13" X 73" 16" X 76" 18" X 78" N/A

Stainless Steel
17" Wide Caps
Standard Lid Has 2˝" Overhang Past Screen
Select a screen height at least 5" taller than tallest flue.
AVAILABLE HEIGHTS: 8", 10", 12", 16"

Model # Base Size
Inside Opening
Base Size
Outside Dimension
Standard Lid Size Big Lid Size
SS17X17 17" X 17" 20" X 20" 22" X 22" 26" X 26"
SS17X21 17" X 21" 20" X 24" 22" X 26" 26" X 30"
SS17X25 17" X 25" 20" X 28" 22" X 30" 26" X 34"
SS17X29 17" X 29" 20" X 32" 22" X 34" 26" X 38"
SS17X33 17" X 33" 20" X 36" 22" X 38" 26" X 42"
SS17X37 17" X 37" 20" X 40" 22" X 42" 26" X 46"
SS17X41 17" X 41" 20" X 44" 22" X 46" 26" X 50"
SS17X45 17" X 45" 20" X 48" 22" X 50" 26" X 54"
SS17X49 17" X 49" 20" X 52" 22" X 54" 26" X 58"
SS17X53 17" X 53" 20" X 56" 22" X 58" 26" X 62"
SS17X57 17" X 57" 20" X 60" 22" X 62" 26" x 66"
SS17X61 17" X 61" 20" X 64" 22" X 66" 26" X 70"
SS17X65 17" X 65" 20" X 68" 22" X 70" 26" X 74"
SS17X69 17" X 69" 20" X 72" 22" X 74" 26" X 78"
SS17X73 17" X 73" 20" X 76" 22" X 78" N/A

Stainless Steel
21" Wide Caps

Standard Lid Has 2˝" Overhang Past Screen
Select a screen height at least 5" taller than tallest flue.
AVAILABLE HEIGHTS: 8", 10", 12", 16"

Model # Base Size
Inside Opening
Base Size
Outside Dimension
Standard Lid Size Big Lid Size
SS21X21 21" X 21" 24" X 24" 26" X 26" 30" X 30"
SS21X25 21" X 25" 24" X 28" 26" X 30" 30" X 34"
SS21X29 21" X 29" 24" X 32" 26" X 34" 30" X 38"
SS21X33 21" X 33" 24" X 36" 26" X 38" 30" X 42"
SS21X37 21" X 37" 24" X 40" 26" X 42" 30" X 46"
SS21X41 21" X 41" 24" X 44" 26" X 46" 30" X 50"
SS21X45 21" X 45" 24" X 48" 26" X 50" 30" X 54"
SS21X49 21" X 49" 24" X 52" 26" X 54" 30" X 58"
SS21X53 21" X 53" 24" X 56" 26" X 58" 30" X 62"
SS21X57

21" X 57"

24" X 60" 26" X 62" 30" X 66"
SS21X61 21" X 61" 24" X 64" 26" X 66" 30" X 70"
SS21X65 21" X 65" 24" X 68" 26" X 70" 30" X 74"
SS21X69 21" X 69" 24" X 72" 26" X 74" 30" X 78"
SS21X73 21" X 73" 24" X 76" 26" X 78" N/A

Stainless Steel
25" Wide Caps

Select a screen height at least 5" taller than tallest flue.
AVAILABLE HEIGHTS: 8", 10", 12", 16"

Model #

Base Size
Inside Opening
Base Size
Outside Dimension
Standard Lid Size Big Lid Size
SS25X25 25" X 25" 28" X 28" 30" X 30" 34" X 34"
SS25X29 25" X 29" 28" X 32" 30" X 34" 34" X 38"
SS25X33 25" X 33" 28" X 36" 30" X 38" 34" X 42"
SS25X37 25" X 37" 28" X 40" 30" X 48" 34" X 46"
SS25X41 25" X 41" 28" X 44" 30" X 46" 34" X 50"
SS25X45 25" X 45" 28" X 48" 30" X 50" 34" X 54"
SS25X49 25" X 49" 28" X 52" 30" X 54" 34" X 58"
SS25X53 25" X 53" 28" X 56" 30" X 58" 34" X 62"
SS25X57 25" X 57" 28" X 60" 30" X 62" 34" X 66"
SS25X61 25" X 61" 28" X 64" 30" X 66" 34" X 70"
SS25X65 25" X 65" 28" X 68" 30" X 70" 34" X 34"
SS25X69 25" X 69" 28" X 72" 30" X 74" 34" X 78"
SS25X73 25" X 73" 28" X 76" 30" X 78" N/A

Stainless Steel
29" Wide Caps

Select a screen height at least 5" taller than tallest flue.
AVAILABLE HEIGHTS: 8", 10", 12", 16"

Model #

Base Size
Inside Opening
Base Size
Outside Dimension
Standard Lid Size Big Lid Size
SS29X29 29" X 29" 32" X 32" 34" X 34" N/A
SS29X33 29" X 33" 32" X 36" 34" X 38" N/A
SS29X37 29" X 37" 32" X 40" 34" X 42" N/A
SS29X41 29" X 41" 32" X 44" 34" X 46" N/A
SS29X45 29" X 45" 32" X 48" 34" X 50" N/A
SS29X49 29" X 49" 32" X 52" 34" X 54" N/A
SS29X53 29" X 53" 32" X 56" 34" X 58" N/A
SS29X57 29" X 57" 32" X 60" 34" X 62" N/A
SS29X61 29" X 61" 32" X 64" 34" X 66" N/A
SS29X65 29" X 65" 32" X 68" 34" X 70" N/A
SS29X69 29" X 69" 32" X 72" 34" X 74" N/A
SS29X73 29" X 73" 32" X 76" 34" X 78" N/A

 

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