How To Install Metal Building Roof Insulation

How to insulate a metal building apply double sided tape on the top of the purlins helps keep the insulation from blowing in the wind.

How to install metal building roof insulation. Allow insulation to sag at least 2 inches. The most common method of adding insulation to a metal building roof is with a banding system. Space the screws about 12 in 30 cm apart. Metal roofing is one of the most durable and long lasting roof materials on the market and can easily last for decades with little maintenance.

Place corner pieces where panels will meet bends at the edge of the roofing. It can be touted that foam batting material is the best one to pair with metal roof insulation. It is not the normal insulation type that can be rolled up. The factory pre cut rolls are then fed through above the steel bands and secured.

For exposed fasteners avoid over tightening the fastener. Commonly used in double layer high r value metal roof insulation systems and in retro fit insulation applications. You can easily go through several sheets of insulation and know that they are secure. Steel bands typically 1 wide are screwed to the underside of the metal purlin or wood truss in a pole barn 30 apart creating a grid system.

Roll insulation perpendicular to and over the purlins. For example roof pitch value of 1 12 means the roof rises 1 inch for every 12 inches of roof s length. Tips to install metal roof insulation use foam batting. Install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Tape seams with reflective tape or use 10m or prodex fast action. Install with staples the easiest and by far the quickest way to install metal roof insulation is with 1 inch staples. They are used in commercial and residential structures to protect against weather and other exterior elements.

If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch. Another benefit of using staples is that they do not make a large hole when penetrating into the sheathing. Steel bands typically 1 wide depending on the manufacturer are screwed to the under side of the metal purlin 30 apart creating a grid system in the roof. Multiply the result with the length and height of the building and you get the total size of insulation you must install.

Use your neoprene washer head screws to secure the metal to the sheathing. To calculate the amount needed multiply your metal roof square footage x 40. Putting an insulation layer could help you to stay away from this issue.