Fortifiber's FortiFlash 4" x 75' Butyl Flashing Membrane Tape delivers in the most demanding environments, providing a strong self-sealing barrier to protect windows, doors and through-wall penetrations as well as non-roofing conditions such as recessed windows, sill pans, pot shelves and parapets. The Fortiflash Butyl's chemical compatibility with most standard sealants as well as EPDM and flexible vinyl, makes it the ideal choice on the construction job.
FortiFlash Butyl's proprietary compound delivers rock solid adhesion at temperatures well below those where other self-adhesive flashing products won't just stick while maintaining its protective properties at temperatures in excess of 225° F. Reinforced by a heavy duty multi-layered polyethylene facer, the product can be easily worked around protrusions and into tight corners without delaminating or tearing. Additionally the split release sheet makes integration with weather-resistive barriers a snap.
- High performance self-adhesive waterproof flashing membrane
- Chemically compatible with all standard sealants, as well as EPDM and flexible vinyl
- Seals around fasteners
- Ultra durable facer
- Mold resistant
- Excellent low temperature adhesion
Explanation of Product Availability Terms
- Stock Item: This is a product we normally have available for immediate shipment. If we are out of stock or do not have enough to complete your order we will notify you by phone or email as
soon as possible. If you need to know if we have it in stock before you place the order please call 800-323-2999 Monday through Friday 7:00AM - 4:30PM.
- Ships Direct: This product ships direct from the manufacturer usually on the same or next business day.
- Special Order: This product has to be special ordered into our store and then shipped to the customer. This can take form 1-6 working days depending on the item and manufacturer.
- Out of Stock: This product is out of stock and will be replaced in the future. Depending on the vendor we can sometimes have a product that is out of stock drop shipped direct to you.
Please call 800-323-2999 if you have any questions.
- Discontinued: These are products we are no longer stocking. However they may be available as a special order. Please call 800-323-2999 if you have any questions.
Please Note: If we can drop ship an order and save shipping charges we will notify you and then pass the savings on to you.