Best Johns Manville in 2026

12" WIDE OPENING x 26" HEIGHT | HEAVY-DUTY BACKFLOW PREVENTER COVER – Keep your sprinkler backflow valve safe from harsh weather with our industrial-grade 600D PVC Oxford Polyester sprinkler backflow cover for winter. Secured with strong velcro and double stitched giving our sprinkler system insulation cover extra security.

OUR BACKFLOW INSULATION POUCH SAVES ON COSTLY PLUMBING REPAIRS BEFORE THEY HAPPEN – Get instant pipe insulation and prevent costly repairs with our durable insulated backflow covers for winter freeze protection. Our season-tested back flow valve insulator keeps your pipe on top shape.

PROTECTS FROM SEVERE SNOW, RAIN, WIND, AND INTENSE SUN AND HEAT – Our backflow insulated cover protects your backflow from harsh snow, rain, wind, and intense heat. Unlike other water pipe warmers, our backflow cover velcro is well insulated and won't be brittle and peel, even in harsh conditions. Stay snug and secure with our durable and water-resistant back flow insulation cover.

30" WIDE OPENING x 26" HEIGHT | HEAVY-DUTY BACKFLOW PREVENTER COVER – Keep your sprinkler backflow valve safe from harsh weather with our industrial-grade 600D PVC Oxford Polyester sprinkler backflow cover for winter. Secured with strong velcro and double stitched giving our sprinkler system insulation cover extra security.

OUR BACKFLOW INSULATION POUCH SAVES ON COSTLY PLUMBING REPAIRS BEFORE THEY HAPPEN – Get instant pipe insulation and prevent costly repairs with our durable insulated backflow covers for winter freeze protection. Our season-tested back flow valve insulator keeps your pipe on top shape.

PROTECTS FROM SEVERE SNOW, RAIN, WIND, AND INTENSE SUN AND HEAT – Our backflow insulated cover protects your backflow from harsh snow, rain, wind, and intense heat. Unlike other water pipe warmers, our backflow cover velcro is well insulated and won't be brittle and peel, even in harsh conditions. Stay snug and secure with our durable and water-resistant back flow insulation cover.

THE ORIGINAL PIPE WARMER – With weather patterns changing, don’t risk your pipes! Made with the highest quality standards. Frozen pipes can cause extensive damage and repairs can be costly. Pipe Warmers protect your pipes better than the rest!

MEASURE CORRECTLY – The dimensions listed are OUTSIDE dimensions. So allow 2 inches extra on the width, as THE POUCH WONT STRETCH

SEVERE WEATHER PROTECTION –Snow, rain, wind, and even intense heat – our insulation covers are industrial grade for the home user and fully water-resistant, water-proof, and fit like a glove. Cheaper Insulation covers will wear out and look tattered whereas Pipewarmers can withstand the elements.

Exceptional Cold Weather Resistance: Our insulated pipe covers for outside are engineered to endure freezing temperatures as low as 5 degrees, providing reliable insulation throughout the winter season.

Uncompromising Durability: Crafted from durable materials, our outdoor sprinkler covers for winter freeze protection are built to last. With industrial quality construction, they offer long-lasting performance, even in harsh conditions.

UV-Resistant and Weatherproof: Protect your backflow preventer from the damaging effects of sunlight and adverse weather conditions. Our backflow insulation pouch is UV-resistant, ensuring their resilience and reliability.

Key Parameters: Size: 6 inch x 25 feet; Material: aluminum foil; Instructions: Wrap it around pipes or ductwork, overlapping about every 1/2-inch as you use

10mm-Diameter Double Bubbles: 10mm-diameter single bubble; Double bubble insulation's benefits are to provide airspace between the pipe and wrap that will aid the insulation value

Multiple Insulation Features: Double bubbles form the more airspace, the better it is at slowing heat transfer; 99.9% pure aluminum bonded to tear-resistant polymeric core; Which makes an excellent thermal barrier for water, noise

The product is manufactured in china

The product is highly durable and easy to use

Easy installation and easy handling

✅ Size: 17”W x 21”H(Outside dimensions, fit up to 14” wide backflow valves system) , Recommend to have measured pipe before purchase, and to reserve 1 inch or above.

✅ Made of durable industrial grade 600D PVC coated waterproof insulation Oxford material and insulating material for all architectural and commercial buildings, with good waterproof and insulating properties, not easily brittle or peeling off. Velcro at the bottom let you can easily placed it on the backflow pipe or remove easily, and the grommet increase security, lock the pouch and keep it secure, keep the backflow cover on the ground and preventing from being stolen, more safe.

✅ No matter of the climate, such as snow, rain, wind or be exposed to the sun, this insulating cover is the best choice to protect your backflow system from freezing, helping you avoid expensive repairs costs, and save your time and money, more economical and effective.

18” WIDE OPENING x 34” HEIGHT | OPENS UP COMPLETELY TO WRAP OVER YOUR IN-WALL BACKFLOW PIPES – Our sprinkler valve cover now opens up on one side and bottom with velcro making it easy to cover sprinkler backflow preventer that even go into the wall. Plus, our well head insulation cover is made of a thick and durable industrial grade 600D PVC Oxford Polyester and a double stitch, so the insulation cover won't come apart.

OUR BACKFLOW PREVENTER COVER SAVES ON COSTLY PLUMBING REPAIRS BEFORE THEY HAPPEN – Get instant water pipe insulation and prevent costly repairs with our durable outdoor pipe covers for winter freeze protection. Our season-tested water pipe warmer keeps your pipe on top shape.

PROTECTS FROM SEVERE SNOW, RAIN, WIND, AND INTENSE SUN AND HEAT – Our backflow insulated cover protects your backflow from harsh snow, rain, wind, and intense heat. Unlike other water pipe wrap, our back flow valve insulator is well insulated and won't be brittle and peel, even in harsh conditions. Stay snug and secure with our durable and water-resistant backflow insulation pouch.

L-shaped Opening for Hassle-free Fitting: allows the insulation cover to adapt to a wide variety of installation requirements for backflow preventers and pipes, providing comprehensive protection.

Robust and Durable Construction: Crafted with heavy-duty, five-layer thick material, this insulated cover ensures durability and resists all forms of adverse weather.

Secure and Efficient Insulation: The robust Velcro seal at the bottom of the cover ensures a firm closure, maintaining high-quality insulation and protecting your systems effectively.

Two layers of polyethylene industrialized air bubbles bonded between two layers of highly reflective metalized aluminum polyester film. Industrialized strength, lightweight yet durable insulation designed to hold staples without tearing. Does not compress, collapse or disintegrate. Reflects 97% of radiant heat, emits less than 3% of heat, Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 test & ASTM E2599.

Non-toxic, non-carcinogenic, fiber-free, safe to handle and does not require protective clothing or respirators to install. Easy to install and maintenance free, cuts easily with utility knife or scissors and installs easier than fiberglass. Simply staple, nail or glue into place! No mess, and no itchy fibers!

Not affected by moisture or humidity. Inhibits condensation

Prevent heat loss or gain to save energy

Use on hot or cold pipes

Stop condensation on cold pipes

The product consists of two 96% reflective layers of film bonded to two internal layers of heavy gauge polyethylene bubbles (total nominal thickness 5/16”).

Non-toxic, non-carcinogenic, fiber-free, safe to handle and does not require protective clothing or respirators to install. Easy to install and maintenance free, cuts easily with utility knife or scissors and installs easier than fiberglass. Simply staple, nail or glue into place! No mess, and no itchy fibers!

Not affected by moisture or humidity. Inhibits condensation

【Customized Design】Our Backflow Insulation Pouch is specially designed for Pressure Vacuum Breaker, and it matches perfectly with Pressure Vacuum Breaker. Protect your Pressure Vacuum Breaker from Severe Snow and Intense Sun.

【5 Layers Design Insulation & Waterproof】Made of 1 Layer Waterproof Heavy Duty 600D Oxford Fabric, 2 Layers Cotton Insulation, 2 Layers PE Sliver Coated Cloth. Double stitching for max security has both waterproof and insulation effects. Keep the Backflow Device / Irrigation System / Lawn Sprinkler System from freezing or sunning.

【Avoid High Repair Costs】Protects your backflow pipe systems from freezing, bursting, and blowouts due to severe weather conditions like snow, rain, wind, and sun exposure heating. Avoid expensive costs of valve replacement and repair every year.

MEASURE BEFORE PURCHASE -16” W x 20” H (Fit up to 14” wide backflow valves system). If you are not sure the size or have any other question about our insulation covers, please feel free to email us, we are pleasure to help you. Measure your backflow system before purchasing to make sure that pipe cover is suitable for your backflow valves system.

INDUSTRIAL GRADE Insulation & waterproof - Our Insulated Cover made of water-repellent oxford fabric and special PP insulated cotton, which possess the characteristic of good water proof and insulation to guard against severe weather. Clearly, UV damage free, too. Keep the Backflow Device / Irrigation System / Lawn Sprinkler System from freezing or sunning.

Practical Design pipe covers - 1, the COLOR, the pale khaki is similar with most of houses’ color; 2, the FASTENING TAPE, with the hook & loop fastening tape opening, keep sealing to the backflow preventers and prevents insulated bag covered all way to ground; 3, the RINGS, the two rings in opening, one more safe ways for the outdoor Protection pouch to protect the covering object.

Size- 30” W x 26” H

The Easiest way to protect your pipes from freezing-This Sprinkler Freeze Protector Protects your backflow pipe systems from freezing, bursting, and blowouts due to the severe weather conditions like snow, rain, wind, and sun exposure heating. Avoid expensive costs for valve replacement and repair every year.

Insulation & Waterproof- Our pipe insulated cover made of durable industrial grade 600D PVC coated waterproof insulation Oxford material and fiber filler, with good waterproof and insulating properties, not easily brittle or peeling off, keep your pipes away from freezing cold.

Non Perforated White No Tear Commercial Grade (Will Not Tear)

Heavy Duty 8 Mil / White/Foil Finish / Water Proof / Wont Oxidize

Meets all US Fire Codes / Class 1 Class A Fire Rated

Universal dimension: Each order includes 3pcs faucet covers.The size of our faucet protector is 5.9" W x 7.7" H,which is suitable for various standard size faucets. It was able to keep your water spigots,both wall mounted and in ground from freezing in cold weather,which can help you save a costly faucet repair costs. 

Premium material: The outer layer cover is made of thickened high density 420D oxford cloth and filled with insulating cotton in the middle,which has good heat preservation,can effectively resists severe cold weather,make sure your outdoor faucets free of corrosion,rust and frost.

Reflective strip design: Our faucet cover is designed with annular reflective strip,which is stylish and greatly improves safety,ensuring accurately identify the location of faucet at night to avoid bumping in the dark.

Prevent heat loss or gain to save energy - For pipes that are 1/2 inch diameter.

Use on hot or cold pipes, stop condensation on cold pipes

Fire Retardant, Grey/Black Finish

30"WIDE OPENING x 26" HEIGHT-This insulation pouch for outdoor pipes is made of a thick and durable industrial grade 600D Oxford Polyester, heavy-duty backflow preventer cover will never tear crack or peel.

3- Layer Protection-Made of 600 Oxford Fabric, fiber filler and Waterproof lining. Protects your backflow pipe systems from freezing, bursting and blowouts due to the severe weather conditions like snow, rain, wind and sun exposure heating. Avoid expensive cost for valve replacing and repair every year.

Stay Sturdy-This backflow preventer insulated cover made with strong Velcro on the bottom, no more tools and screws, keep your insulated pouch in place, no worry blowing away in the wind.

24"WIDE OPENING x24" HEIGHT-This insulation pouch for outdoor pipes is made of a thick and durable industrial grade 600D Oxford Polyester, heavy-duty backflow preventer cover will never tear crack or peel.

3- Layer Protection-Made of 600 Oxford Fabric, fiber filler and Waterproof lining. Protects your backflow pipe systems from freezing, bursting and blowouts due to the severe weather conditions like snow, rain, wind and sun exposure heating. Avoid expensive cost for valve replacing and repair every year.

Stay Sturdy-This backflow preventer insulated cover made with strong Velcro on the bottom, no more tools and screws, keep your insulated pouch in place, no worry blowing away in the wind.

Blocks heat loss or gain to save energy

Use on hot or cold pipes

Stops condensation on cold pipes to prevent water damage

Stable: Safe and has excellent tightness and deformation resistance feature. The size is 3" x 1/8" x 25'.

Adjustable: Flexible and durable, you can cut the size with scissors or cutter and bend in any shape.

Ultra-Strong Adhesive: The Foam Insulation Tape Has an upgraded ultra-strong adhesive backing, can stick firmly, please clean the surface before use.

Length: 6 ft

For Iron Pipe Size: 1 1/2 in

Insulation Nominal I.D.: 2 in

Use For Insulating, Cushioning, And Noise Dampening

Safe Alternative - No Gloves, Face Mask, Or Goggles Needed

Cut Or Rip To Fit Pipes And Ducts, Walls, And Much More

The product is 6"x25' spiral pipe wrap

Easy and simple use kit

The product is manufactured in United states

Protection to pipes from frost and damages

Maintains temperature and reduces freezing

Color- Yellow

EXCELLENT HEAT PRESERVATION INSULATION: The high density and closed structure of selected raw material has the ability of low thermal conductivity and stable temperature and has an isolation effect of hot and cold medium, so the inside of the water pipe will not be affected even if the weather is frozen outside

NEAT APPEARANCE OF OUTER TUBE: The insulation material has a smooth surface with high elasticity, soft texture and better anti-resonance effect. Besides, it can also maintain a high-grade appearance even if not ceiling

ECO-FRIENDLY MATERIAL: The environmental friendly raw material has no stimulation and pollution, no hazard to health and environment. Moreover, it can avoid the mold growth and mouse biting; The material has the effection of corrosion-resistant, acid and alkali, it can increase the life of using