Bubble Insulation Under Metal Roof

The batts are located side to side on the rafter of the roof.

Bubble insulation under metal roof.

While placing plywood under a metal roof isn t a requirement it is recommended for some homeowners. The main one in the latter category is foil faced bubble wrap sold as insulation. Bubble foil insulation adds a layer of insulating air to the radiant barrier provided by the foil. Condensation in a roof causes mold which is unhealthy and damages the integrity of the building.

Usually dispatched within 2 to 3 days. Green building advisor recently wrote an article about foil faced bubble wrap and did a balanced job of it. Yuzet 1711 1 2m x 25m double aluminium bubble insulation foil thermal loft roof attic wall garage caravan camper van diy. Plywood helps protect the insulation for when the roof eventually needs to be replaced and it also provides additional soundproofing.

Several materials can be used in installing roof insulation. The independently enclosed bubble insulation layers are sealed with multiple layers of polyester creating closed air bubbles which prevent the loss of air over time. Moisture can infiltrate the underside of metal roofs through condensation and strong rain events. 99 69 98 69 98.

Double bubble composed from two sheets of air bubbles piled up between two surfaces made from metal. 4 7 out of 5 stars 47. 4 7 out of 5 stars 215. You will want to use this over rolled up or spray insulation because of the way that it lays flat and it can be.

Both materials make a great physical barrier between the interior building and the metal roof. In cold climates condensation in the roof may freeze into sheets which can also damage the roof. This foam can be used on either the outside or the inside of the sheathing. Most brands of foil faced bubble wrap are only 3 8 inch thick or less and have an r value of only 1 0 or 1 1.

The best material for use with metal roof insulation is in the form of foam batting. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass. They presented the pros and cons and gave anecdotal evidence of this product having solved condensation problems. Get started choosing your type of insulation today.

Since the product often costs more per square foot than 1 inch thick rigid foam rated at r 5 why would anyone use bubble wrap as insulation. The r value of foil faced bubble wrap is so low that it has few if any advantages over rigid foam. This product like sheet foil should be installed with the foil side facing the metal roofing. These air bubbles keep warmer moist air from coming in contact with cooler drier air thereby reducing condensation that is common in metal buildings and agricultural barns.