Imus Seal Butyl Joist Tape

Imus Seal Butyl Joist Tape is a self-adhering flashing tape for joists and beams designed to protect wooden deck structures from water damage and rot.

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Overview

Imus Seal logo

Want to prevent deck rot? Protect your deck structure with Imus Seal Butyl Joist Tape.

Imus Seal Butyl Joist Tape is the premium joist tape trusted by building professionals, homeowners, and DIYers to help extend the life of deck structures.

  • Diverts Water from Joists and Beams
    Strong and flexible synthetic black facer allows for tear resistance while being able to form to fasteners and corners.
  • Seals Decking Screws
    Pressure-sensitive 20 mil butyl waterproof membrane, containing no asphalt or VOCs, self-seals around nail and fastener penetrations.
  • Provides a Barrier Between Metal and Wood
    Corrosive chemicals like alkaline copper quaternary (ACQ) and copper azole (CA), commonly used in pressure-treated wood, can corrode steel joist hangers and other metal hardware. Installing Imus Seal Butyl Joist Tape between metal and wood creates a barrier to prevent contact.
  • Protects Treated and Non-Treated Lumber
    Compatible with deck materials including pressure-treated wood and composite products.

 


 

Specifications

Size: 1-5/8” x 50’ Roll 4” x 50’ Roll 6” x 50’ Roll
Imus Seal Butyl Joist Tape 1-5/8 inch Imus Seal Butyl Joist Tape 4 inch Imus Seal Butyl Joist Tape 6 inch
UPC: 850014028008 850014028015 850014028022
Width: 1 5/8 in. 4 in. 6 in.
Length: 50 ft.
Thickness: 0.02 in.
Weight: 1.4 lbs. 3.4 lbs. 5.4 lbs.
Composition: 20 mil butyl adhesive coated to a synthetic black facer with a tear resistant release liner
Application Temperature: 30° F to 120° F
Service Temperature: 0° F to 180° F
Made in the U.S.A. 🇺🇸

 



 

Installation

 


 

FAQs

Is Imus Seal Butyl Joist Tape compatible with my deck surface material?
Yes, Imus Seal Butyl Joist Tape works with naturally durable wood (e.g. redwood, cedar), pressure treated timber (e.g. southern yellow pine), exotic tropical hardwoods (e.g. ipe, teak, tigerwood), thermally modified wood, wood plastic composite (e.g. Trex, Monarch, TimberTech, Veranda), or plastic (e.g. polystyrene, PVC).

How is water kept from entering the joists where the deck fastening screws penetrate the tape?
The self-adhered butyl rubber flashing membrane seals around fasteners.

Can Imus Seal Butyl Joist Tape be used on more than just deck joists or beams?
Yes, Imus Seal Butyl Joist Tape can be used on ledger boards, stair stringers, posts, boat docks, and more. Avoid prolonged exposure to sunlight, Imus Seal Butyl Joist Tape is not UV resistant. If a UV resistant tape is required, check out Imus Seal Butyl Roof Tape.

Are there retailers that stock Imus Seal Butyl Joist Tape?
Yes, Imus Seal Butyl Joist Tape is available on Amazon.

Can I calculate how many lineal feet of Imus Seal Butyl Joist Tape my deck needs?
Yes, you can calculate your deck square footage and estimate how much Imus Seal Butyl Joist Tape it will need with the Deck Size and Protection Calculator.

 



 

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