Heavy duty bias ply tire repair patch 11-3/4 inch square 6-ply with blue backing

Bias Ply Tire Repair - PREMA PB-8 Heavy-Duty 6-Ply Patches (Box of 5)

Commercial-Grade Agricultural and Industrial Tire Patches

PREMA PB-8 bias ply tire repair patches deliver permanent solutions for major tire damage with 11-3/4 inch coverage and 6-ply construction. These heavy-duty patches handle crown, shoulder, and sidewall injuries on agricultural equipment and commercial truck bias tires.

6-Ply Bias Repair Benefits

Maximum Coverage - The 11-3/4 inch square design repairs injuries up to 2 inches diameter on large commercial tires.

Heavy-Duty Construction - Six reinforced plies match bias tire construction for extreme load capacity.

2-Year Shelf Life - Long storage life ensures patches remain reliable when needed.

Agricultural and Industrial Tire Applications

  • Tractor and implement tires.
  • Heavy truck bias tires.
  • Construction equipment.
  • Large trailer tires.

Heavy-Duty Patch Specifications

Technical Details
Specification Details
Brand PREMA
Model PB-8 (PRE-PB-8)
Dimensions 11-3/4" x 11-3/4" (298mm x 298mm)
Construction 6-Ply Bias
Quantity 5 patches per box
Weight 3.5 lbs per box
Compatibility Bias-ply tube-type and tubeless tires
Shelf Life 2 years

Installation Requirements

  1. Clean and buff injury area thoroughly.
  2. Apply PREMA Ultra Fast Dry Vulcanizing Cement.
  3. Fill injury channel completely.
  4. Apply patch with firm pressure from center outward.

Stock Professional Bias Ply Tire Repair Patches

Keep PB-8 patches ready for major agricultural and commercial repairs.

Order your 5-pack today.

Frequently Asked Questions

Q: What size injury can the 11-3/4 inch PB-8 patch effectively repair? A: The PB-8 patch repairs injuries up to 2 inches in diameter when properly installed following manufacturer guidelines. The 11-3/4 inch square size provides at least 4 inches of overlap on all sides, ensuring secure adhesion even on heavily damaged agricultural and industrial bias tires.
What size injury can the 11-3/4 inch PB-8 patch effectively repair?

The PB-8 patch repairs injuries up to 2 inches in diameter when properly installed following manufacturer guidelines. The 11-3/4 inch square size provides at least 4 inches of overlap on all sides, ensuring secure adhesion even on heavily damaged agricultural and industrial bias tires.

Q: Can these 6-ply patches be used on lighter 2-ply or 4-ply bias tires? A: Yes, PB-8 patches work on all bias-ply tires regardless of their ply rating. The 6-ply construction provides extra strength that won't harm lighter tires. However, for smaller injuries on light-duty tires, consider using smaller PB-series patches like PB-3 for more economical repairs.
Can these 6-ply patches be used on lighter 2-ply or 4-ply bias tires?

Yes, PB-8 patches work on all bias-ply tires regardless of their ply rating. The 6-ply construction provides extra strength that won't harm lighter tires. However, for smaller injuries on light-duty tires, consider using smaller PB-series patches like PB-3 for more economical repairs.

Q: How does the PB-8 compare to smaller bias ply patches in the PREMA line? A: The PB-8 at 11-3/4 inches square is designed for major commercial repairs, while PB-3 at 3-3/4 inches handles standard passenger tire injuries. Choose PB-8 for agricultural equipment, heavy trucks, and industrial vehicles where large coverage area and 6-ply strength are essential.
How does the PB-8 compare to smaller bias ply patches in the PREMA line?

The PB-8 at 11-3/4 inches square is designed for major commercial repairs, while PB-3 at 3-3/4 inches handles standard passenger tire injuries. Choose PB-8 for agricultural equipment, heavy trucks, and industrial vehicles where large coverage area and 6-ply strength are essential.

Q: What type of cement should be used with these heavy-duty patches? A: PREMA Ultra Fast Dry Vulcanizing Cement is specifically recommended for PB-8 patches to ensure proper chemical bonding and cure time. The large patch size requires complete cement coverage and proper application technique. Always fill the injury channel completely before applying the patch for permanent repairs.
What type of cement should be used with these heavy-duty patches?

PREMA Ultra Fast Dry Vulcanizing Cement is specifically recommended for PB-8 patches to ensure proper chemical bonding and cure time. The large patch size requires complete cement coverage and proper application technique. Always fill the injury channel completely before applying the patch for permanent repairs.

About the Brand

Prema

View All Prema Products

Garage Supply Guys Frequently Asked Questions

If something's not working out, just let us know. Keep in mind that some items might have a restocking fee. Check the product page for the specifics.
No worries, we've got you covered. We can send replacement parts or arrange for a new delivery. Just make sure to inspect everything when it arrives and give us a heads up right away if something's off.
All the details are at the bottom of our site under Shipping & Return Policy. You'll find everything about returns, freight damage, and any brand-specific rules.
Most larger items like car lifts and heavy equipment ship free, but depending on the brand there might be freight costs. Smaller items almost always have shipping fees via UPS, USPS, FedEx, etc. We'll show you any extra costs before you check out.
Shipping estimates are just that — estimates, and they're not guaranteed. Weather, freight delays, and carrier issues can throw things off, especially with bigger items. If you're on a tight timeline for installation, it's smart to give yourself some wiggle room.
Yep! Once it ships, we'll email you the tracking info so you can keep tabs on your delivery and plan accordingly.
We always send tracking info once your order ships. If it's been more than five business days and you haven't heard anything, just shoot us a message at support@garagesupplyguys.com or hit us up through the Contact Us page. We'll figure out what's going on.
Make sure whatever you're buying will actually fit your space. That means checking ceiling height, floor space, power requirements, and whether freight delivery can even get to your location. Trust us, it's way easier to confirm these details upfront.
Read through the product details carefully, especially for heavy or specialized items. If you're not sure about fit, shipping, installation, or anything else, just ask. We'd rather help you get it right the first time.
You'll get a confirmation email right away once you place your order. For most items like car lifts, parts, and shop tools, we'll have them shipped out within five business days if they're in stock. This goes for all major brands and replacement parts.
We don't offer installation services ourselves, but we can put you in touch with qualified installers in your area who you can work out pricing with directly. We can also handle this for you after your purchase.
Just reach out to us after your purchase and we'll connect you with trusted installers in your area. You can negotiate pricing and scheduling directly with them, or we can help coordinate the whole process for you.
Some items can be installed by experienced DIYers, but larger equipment like car lifts typically require professional installation for safety and warranty reasons. Check the product specifications and manufacturer requirements before deciding.
Yes! We're authorized dealers for all the major brands we carry. This means you get full manufacturer warranties, genuine parts, and proper support. You can always verify our dealer status directly with the manufacturer if you'd like.
It means you're getting the real deal - genuine products with full manufacturer warranties, access to official support, and the peace of mind that comes with buying from a legitimate dealer. No gray market products or void warranties here.