Alpha Systems - Q299 1/32" X 1-1/4" X 90' Mylar-Poly Backed Tape, No Edge (Case Of 12)

Alpha SystemsSKU: 2020002373

Sale price$257.34 Regular price$408.48
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FREE Delivery Estimate January 15 – January 4
⚠️ Delivery times extended due to RV industry holiday shutdown.
Seal the Deal: Mylar-Backed Butyl Tape for Unbeatable Weatherproofing
Seal and protect your RV with Alpha Systems Q299 Mylar-Poly Backed Tape, featuring a durable Mylar facer and non-drying butyl adhesive for long-lasting weather and water resistance. This VOC-free tape installs easily by hand and adheres to all non-porous surfaces, making it perfect for sealing joints and corners on flat or laminated RV sidewalls. Enjoy a seamless application that stands up to temperatures from -5 to 120°F.
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  • Cross-reference Part #: Q299132*114
  • HIGH-PERFORMANCE — ALPHA Q299 Mylar-Backed Butyl Tape provides the ideal tape for weatherproofing and structural support when used to seal corner joints.
  • EXCELLENT WEATHERPROOFING — This tape boasts a non-drying compound that has excellent resistance to water, weather and air intrusion.
  • SAFE AND SOUND — Our butyl tape is 100% VOC free and there are no special safety requirements for installation.
  • EASY INSTALL — Installation is easy: just guide the tape into place by hand on one surface and press or roll to activate the adhesive and eliminate wrinkles. Use scissors to cut the tape and you’re off and running.
  • DISCLAIMER — Alpha Systems, LLC retains the right to deny liability for any defects or damages to the roof membrane caused by another manufacturer’s products such as sealants, adhesives, tapes, or related products.

When you go to seal corner joints on your RV, look for Alpha Systems, LLC products, now exclusively distributed by Lippert®. ALPHA Q299 Mylar-Backed Butyl Tape is specially designed for flat, even surfaces, especially for corners of RV units with laminated sidewalls. It also works very well for marine, HVAC, and metal building industries. If you need excellent resistance to water, weather, and air, look no further. Best of all, it’s safe. Our butyl tape is 100% VOC free and there are no special safety requirements. Installation is easy: just guide the tape into place by hand on one surface and press or roll to activate the adhesive and eliminate wrinkles. Use scissors to cut the tape and you’re off and running.

  • Dimensions: 1/32” X 1-1/4" X 90’
  • “No edge” finish
  • 1.4 mil transparent Mylar facer permanently anchored to 30 mils of butyl adhesive
  • Ideally suited to seal the joints of flat, even surfaces, especially the corners of RV units that use laminated sidewalls
  • Used in marine, HVAC, and metal building industries
  • Excellent resistance to water, weather, and air intrusion
  • Adheres well to all non-porous substrates
  • 100% solid content and contains zero VOCs
  • Applicable in temperatures from -5° to 120°F
  • 1-year warranty
100% Authentic OEM Parts

Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

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