Insulating Metal Roof In Cold Climates

Ventilating the underside of the roof insulating the attic floor and plugging air leaks are usually the answer.

Insulating metal roof in cold climates.

Metal roofs are a good long term investment for those in colder areas of the country. Don t forget to make sure it s plugged in. Colors such as bronze brown or dark gray versus white or light earth tones will help do the trick. Ask me how i know.

We recommend always having a roof deck installed so there can be an underlayment applied for ice dam protection. However while metal roofing can act as a repellent for snow it requires additional insulation for colder climates. 356 mm long epoxy coated steel screws. Avoid roof geometry that causes shading which can lead to ice damming.

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. You want your entire metal roof including the eaves as ventilated as possible and are very well insulated. Fiberglass is also one of the preferred materials for metal and steel buildings and homes. Insulate the ceiling adequately.

Stay away from stainless steel screws because the heads twist off. In cold climate zones the minimum total r value for the entire unvented roof assembly should be r 40. You want a cool roof a cool roof is essential when installing one in the cold climate of minnesota or wisconsin. Care should be taken with these assemblies particularly in cold climate zone locations i e.

Heat rises and without sufficient insulation under your roof you will be loosing all that precious and expensive heat out of the top of the house. Stainless steel tends to be soft. Keep the entire roof as cold as the eaves. Use designs with a cold roof such as those featuring a vented attic.

Zones 5 6 7 and 8 in that the manufacturers of these materials assume that roof deck may require ventilation to assist drying. Otherwise homeowners will find their heating system has to work harder to keep the home warm. That s a ton of insulation but you need it in these cold climates. You can purchase 14 in.

Pros and cons of metal roofs in cold climates. Add underlayment upgrades such as peel and stick modified bituminous sheets. Some roof assemblies use very impermeable materials such as peel and stick membranes on the exterior. In very cold climate zones this minimum r value should be increased to r 50.

Some metal roofing can also withstand strong winds making it ideal for blizzard climates. In order to control ice damming heat flow form the interior to the roof cladding must be minimized.