Internet #203310754

Model # PB 312-4BK

0850986003270

4 in. Inside Diameter Black New Construction or Reroof Thermoplastic Vent Pipe Roof Flashing

$ 19 97

Overview

The Perma-Boot 312 is a high performance vent pipe flashing designed for new roof and re-roof applications. The patented design allows for use on roofs pitched from 3/12 to12/12. Compatible with PVC an all other vent pipe types. A nailing flange is incorporated for traditional fastening to roof deck. Avoid using old fashioned vent pipe flashings that utilize rubber or neoprene gaskets to seal out water which fail in a matter years allowing water to enter the home and cause damage to sheetrock, insulation, paint and hardwood floors etc. The Perma-Boot will stand up to all weather extremes and is warranted for the life of the shingle. Available in black, brown, weathered wood and gray to match your shingles. Made in the USA.

Frequently Bought Together

Frequently Bought Together

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Product Overview

The Perma-Boot 312 is a high performance vent pipe flashing designed for new roof and re-roof applications. The patented design allows for use on roofs pitched from 3/12 to12/12. Compatible with PVC an all other vent pipe types. A nailing flange is incorporated for traditional fastening to roof deck. Avoid using old fashioned vent pipe flashings that utilize rubber or neoprene gaskets to seal out water which fail in a matter years allowing water to enter the home and cause damage to sheetrock, insulation, paint and hardwood floors etc. The Perma-Boot will stand up to all weather extremes and is warranted for the life of the shingle. Available in black, brown, weathered wood and gray to match your shingles. Made in the USA.
  • Provides permanent protection from costly vent pipe gasket leaks
  • Designed for all standard roof pitches - 3/12 to 12/12
  • Simple installation with nailing flange for fastening to roof deck
  • Suitable for asphalt shingles, wood shake, slate, terra cotta and composite roofing materials

Product Overview

Model #: PB 312-4BK
Internet #: 203310754

The Perma-Boot 312 is a high performance vent pipe flashing designed for new roof and re-roof applications. The patented design allows for use on roofs pitched from 3/12 to12/12. Compatible with PVC an all other vent pipe types. A nailing flange is incorporated for traditional fastening to roof deck. Avoid using old fashioned vent pipe flashings that utilize rubber or neoprene gaskets to seal out water which fail in a matter years allowing water to enter the home and cause damage to sheetrock, insulation, paint and hardwood floors etc. The Perma-Boot will stand up to all weather extremes and is warranted for the life of the shingle. Available in black, brown, weathered wood and gray to match your shingles. Made in the USA.

  • Provides permanent protection from costly vent pipe gasket leaks
  • Designed for all standard roof pitches - 3/12 to 12/12
  • Simple installation with nailing flange for fastening to roof deck
  • Suitable for asphalt shingles, wood shake, slate, terra cotta and composite roofing materials

Info & Guides

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Price
$9.72
$19.97
$19.97
$30.00
Ratings (16) (10) (6) (40)
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Specifications

Dimensions

Pipe Diameter (in.)
4
Product Length (in.)
14.75 in
Product Thickness (in.)
.0625
Product Width (in.)
11

Details

Color Family
Black
Features
Corrosion Resistant,Extreme Cold & Ice,Extreme Heat,High Impact/Hail Resistant,High Wind Resistant,Rust Resistant,Water Resistant,Waterproof
Flashing Type
No Caulk Vent Pipe
Gauge
.03
Material
Plastic
Product Weight (lb.)
1lb
Profile
Rain Diverter
Returnable
180-Day
Roofing Product Type
Vent Pipe Flashing

Warranty / Certifications

Manufacturer Warranty
Lifetime of shingle warranty

Specifications

Dimensions

Pipe Diameter (in.)
4
Product Length (in.)
14.75 in
Product Thickness (in.)
.0625
Product Width (in.)
11

Details

Color Family
Black
Features
Corrosion Resistant,Extreme Cold & Ice,Extreme Heat,High Impact/Hail Resistant,High Wind Resistant,Rust Resistant,Water Resistant,Waterproof
Flashing Type
No Caulk Vent Pipe
Gauge
.03
Material
Plastic
Product Weight (lb.)
1lb
Profile
Rain Diverter
Returnable
180-Day
Roofing Product Type
Vent Pipe Flashing

Warranty / Certifications

Manufacturer Warranty
Lifetime of shingle warranty

Questions & Answers

Will this fit a 4" Cast Iron Vent Pipe

I have a 4" inner diameter, 4-1/4" outer diameter cast iron vent pipe - will this fit it???
Asked by: Theo
I had the same question. My 4" cast iron vent pipe is 3-7/8" ID and at the top (where it is thicker, just at the end of the pipe) it's 4-1/2" OD (the OD elsewhere is presumably 4-1/4", like yours). My PVC vent pipe is 4" ID and 4-1/2" OD. The title of this product describes it, in part, as "4 in. Inside Diameter Vent Pipe Roof Flashing," which I would presume means roof flashing for 4" ID vent pipe, but it could also be taken to mean vent pipe roof flashing which has a 4" inside diameter [in that part of it which is cylindrical]. All of the similar products titles, e.g., the 3" version of the same product, make it clear; e.g., "Pipe Boot for 3 in. I.D. Vent Pipe." Also, the specs say the pipe diameter is 4” and one would have to presume that means the product’s pipe diameter, given that these are product specs, but even so, it doesn’t even say that it’s the ID; it could be the OD. Pretty poor descriptions and specs, given that these are specs needed for a purchase decision. Side note: Product description says, “The Perma-Boot 312 is … Compatible with PVC an[d] all other vent pipe types,” so it is meant for cast iron pipes according to their documentation. Last July I would have agreed with VeganPower that prospective buyers with this question should contact the mfr, but at this point, given that no corrections have been made to the above text in half a year, I’d suggest buying something else.
Answered by: 1890VictorianOwner
Date published: 2018-09-28

Can water enter the top of the boot? I'm looking for something to install directly over a bathroom exhaust fan

Asked by: Dave
There is a small lip at the top of the boot that fits over 4" PVC pipe so water is sealed from entering around the outside of the pipe like a normal flashing, but not a rain cap. I'd say water can enter without an additional cap, I used one on my installation for a tankless water heater concentric vent and it worked well with a rain cap at the top of the pipe.
Answered by: Tom
Date published: 2018-02-19

Does it come with the bottom flashing too? Everyone in the picture is included?

Asked by: Nick
Bottom flashing is included, it has pins on the sides that allow the top piece to pivot to allow the pipe to stay vertical.
Answered by: Tom
Date published: 2018-02-19

Will this fit a 4.5 in PVC pipe?

Will this streach / expand to fit a 4.5 in PVC pipe?
Asked by: sfv41901
It is made for 4" PVC schedule 40 pipe, check the OD, it's 4" ID but not exactly 1/4" wall thickness.
Answered by: Tom
Date published: 2018-02-19
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