How To Insulate A Steel Building Roof

6 tips for installing metal roof insulation.

How to insulate a steel building roof.

The best material for use with metal roof insulation is in the form of foam batting. Fiberglass is also one of the preferred materials for metal and steel buildings and homes. 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. Allow insulation to sag at least 2 inches.

To maximize the energy efficiency of these roofs the roof structure must be properly insulated. Step 2 pull the insulation so that it extends over the top plate of the wall. Polyurethane spray foam metal roof insulation. Cut panels on roof.

Lay the insulation loosely over the purlin or truss structure the horizontal framework of beams helping to support the roof. For the best insulation choose a combination of fiberglass and reflective insulations such as efoil or solar guard. However it s important to note fiberglass blanket insulation is not the most efficient choice in a steel building. Steel building insulation is typically installed by sandwiching the insulation between the sheeting and building skeleton as shown in the following videos.

Lay insulation on paper liner. Roll insulation perpendicular to and over the purlins. You can insulate a new or existing metal roof using a variety of different techniques. This is different from the normal roll up.

How condensation is created condensation is created when warm air from inside your steel building comes into contact with a cold surface such as your roof or wall panels. In order to add moisture barrier under metal roof you can spray the undersides of the roof by using a thick layer of polyurethane spray foam. 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. Rigid board made from fiberglass would be the best option for roofs and basements as the high insulation rating allows it to insulate the home better than say loose fill or batt and blanket.

The panel attachment in combination with the purlin or truss structure will secure the insulation.